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Colostrum for beef calves

Submitted by aledford on Thu, 09/03/2020 - 15:15

The importance of colostrum for newborn calves is well-recognized. Colostrum, the first milk produced by the cow at calving, offers a rich source of energy, nutrients, immune cells and antibodies. These antibodies are especially important since newborn calves lack disease protection, as antibodies do not pass through the cow’s placenta to the calf’s circulatory system. The antibodies in the cow’s colostrum will provide her calf with initial disease protection.

The immunity acquired during the first few days of life is particularly important for calf health and survival. Studies on calf death loss have shown that 4–12% of calves are either stillborn or die within the first 24 hours after birth. While there are many risk factors during this time that may lead to calf mortality, early nutrition and colostrum management are key influences.

What are immunoglobulins?

For the first three to five weeks of a calf’s life, the passive immunity received from the absorption of immunoglobulins in colostrum provides substantial protection to help the calf fight off infections, illness and diseases. Immunoglobulins are large protein molecules that function as antibodies and that are produced by plasma or white blood cells. They serve an important purpose in immune response by fighting off bacteria, viruses and other harmful invaders. There are different classes of immunoglobulins that each have specific functions, biological features, targets and structures. The primary (80–85%) colostral antibodies are immunoglobulin G (IgG), followed by immunoglobulin A (IgA, at 8–10%) and immunoglobulin M (IgM, at 5–12%).

The major factors that will influence newborn calf colostral immunoglobulin absorption are:

1. The age of the calf when it receives its first feeding of colostrum.

2. The number of immunoglobulins made available to the calf.

Colostrum absorption is maximized and at its most efficient shortly after birth, beginning to decline steadily as time passes, with very minimal absorption occurring 20 hours post-calving. However, in some calves, this closure of the gut can occur as early as 12 hours postpartum. Despite the length of time to gut closure, immunoglobulin transfer across the gut epithelium is most efficient in the first four hours postpartum and begins to decline rapidly after 12 hours postpartum. By 24 hours, it is estimated that only 10% of immunoglobulins are absorbed. Therefore, it is important to get that essential colostrum into the calf as soon as possible.

While these large proteins can be transferred through the gut prior to closure, so too can bacteria and large particles that may be harmful if ingested. This is yet another reason why it is so important to calve on clean, dry ground.

The number of immunoglobulins presented to the newborn calf is dependent on the volume of colostrum available and the immunoglobulin concentration of that colostrum. The quality of the colostrum can be affected by the dam’s age, health and nutrition status. Cows that are older — i.e., in at least their third lactation — typically have a higher volume of colostrum that is better-quality compared to the colostrum of a younger cow or first-calf heifer. While there are tools that can be used to measure colostrum quality, typically, good indicators of high-quality colostrum include a tan or yellow color and very thick, creamy consistency.

Nutritional status of the dam

The dam’s nutritional status can greatly impact the colostrum available to the calf. Colostrum and immunoglobulins start to form 5–6 weeks prior to calving. A Virginia Tech study has shown that colostrum volume and calf absorption of IgG were lower in nutrient-restricted cows compared to cows fed to their requirements, even though the IgG concentrations did not change. A study in sheep found that nutrient restriction from mid- to late pregnancy in ewe lambs altered colostrum quality and quantity. The dam’s nutrition prior to calving can greatly impact the amount of colostrum produced and the absorption of immunoglobulins, which may lead to scours and higher mortality rates if inadequate. Bio-Mos® 2 has been shown to support gut integrity and colostrum quality, thereby promoting overall performance. This product should be fed two months prior to calving for optimal results.

Failure of passive transfer

A frequent problem during calving season is failure of passive transfer (FPT), which occurs when a newborn calf does not receive the necessary colostrum. This can occur if cows were in a nutrient deficit and did not produce quality colostrum, or, in cases of dystocia, weak calves, temperature stress or the dam not taking care of her new calf, all of which can prevent the newborn calf from nursing. These factors may prevent the calf from not only getting essential nutrients from colostrum but also from getting the required antibodies. FPT can result in significant economic losses through increased calf illness and death. If a calf has not nursed or is at a high risk for not nursing within the first couple of hours, it may be best to intervene and provide it with colostrum.

The ideal method for a calf to receive colostrum is from its own dam. If possible, use a chute to restrain the cow in order to allow the calf to nurse. If the calf does not want to suckle, the cow could be milked out and a tube feeder can be used to get colostrum into the calf. A newborn calf should be fed about two quarts of colostrum within four to six hours post-birth and again within four to six hours from the original feeding. Colostrum should be collected within 24 hours of calving. If collecting from the cow is not possible, colostrum replacers or supplements can be used. In these situations, consult a veterinarian for assistance in selecting the best option.

Remember, the first meal is the most important meal of a calf’s life and plays an instrumental role in calf immune system development. It is vital to ensure that each calf receives rich, nutritious colostrum in order to set them on a path to successful performance.

 

I would like more information on beef nutrition.

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Human selenium status and viral immunity: New findings in China

Submitted by lkeyser on Wed, 07/15/2020 - 12:43

An international research team at the University of Surrey in the United Kingdom has established a link between the outcome of COVID-19 cases and the regional selenium status of people in China. The data was based on the real-time numbers of confirmed cases, recovery rates and mortality rates in each province or city. When analyzing these populations, researchers observed an association between the population’s selenium status (based on hair samples) and the rates of recovery (Figure 1).

In the Hubei province, whose capital is Wuhan, it was found that Enshi City had recovery rates that were 36.4% higher than other cities within the region, where the overall recovery rate was 13.1%. Enshi City is known for its high selenium status. Outside of Hubei, in the Heilongjian province of north-eastern China, where the selenium status is notoriously low, a 2.4% increase in mortality rates was observed.

China is home to people with both the lowest and highest selenium statuses in the world. Geographical differences across the country result in varied soil compositions, which can alter selenium levels. It is these differences in soil selenium levels that influence how much of the trace mineral enters the food chain from livestock feed, meat, milk and eggs, and the end consumer. Therefore, human selenium intake is very much dependent on the environment in which the crops, plants and livestock are raised.

Figure 1: Correlation between COVID-19 recovery rate in 17 cities outside Hubei, China, on February 18, 2020, and city population selenium status (hair selenium concentration) analyzed using statistical methods (mean ± SD = 35.5 ± 11.1, R2 = 0.72, F test P < 0.0001) Copyright © Rayman et al., on behalf of the American Society for Nutrition, 2020.

Selenium and its role in immune defense

Selenium is an essential trace element for both humans and animals and is required in small amounts for normal health, growth, reproduction and immune defense. It also provides a source of antioxidants, which help to address diseases related to oxidative stress.

Previous studies have shown the antiviral effects of selenium and have linked the evolution and spread of viral infectious diseases, such as swine flu and bird flu, to areas where soil selenium levels are lower (Harthill, 2011). Other studies have observed more severe viral symptoms and infection rates when dietary selenium is low (Beck et al., 2001).

Viruses produce reactive oxygen species (ROS) as part of their biological makeup. These ROS are believed to be combated by glutathione peroxidase, an important antioxidant for cellular defense in which selenium plays a major role. As such, it is believed that several cellular and viral mechanisms involving selenium and selenium-containing proteins can influence the outcome of viral infections.

Selenium and functional food: What do these findings mean for human health?

It is important that we consume a well-balanced diet that incorporates adequate amounts of selenium to maintain our antioxidant capacity and immune defense. According to U.S. standards, the recommended dietary allowance (RDA) for selenium in humans is 55 micrograms a day.

Dietary sources of selenium include nuts, grains and vegetables, with Brazil nuts being the richest source of selenium. However, their content is highly variable and can range from 0.03 to 512 micrograms, the latter level being potentially harmful. In vegetables, up to 40% of selenium can be lost through cooking.

Highly bioavailable and organic forms of selenium have kick-started a new era in the availability of selenium-enriched products. Enriched meat, milk and eggs that contain up to 35 micrograms of selenium (more than 50% of the RDA) have been successfully developed and tested using SEL-PLEX®, Alltech’s proprietary selenium-enriched yeast (Surai et al., 2009). Livestock that are supplemented with selenium-enriched yeast show improved health, disease resistance, fertility and antioxidant capacity. Due to the high bioavailability of organic selenium-enriched yeast, the trace mineral is effectively transferred to subsequent animal products. The result is meat, milk and eggs with consistently higher selenium levels that are available to us for consumption.

As we can see from this population study, organic selenium-enriched yeast could provide a promising development in functional food for human immunity and general health.

References are available upon request.

 

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Can adequate selenium nutrition be considered a defense against viral infections? New research has shed light on the relationship between human selenium status and COVID-19 outcomes in populations across China.

5 major health risks and how to stop them in their tracks

Submitted by lkeyser on Wed, 07/08/2020 - 10:07

In the wake of the global coronavirus pandemic, many people are understandably concerned about their health and are looking for ways to decrease the likelihood that they will get sick in the future. Fortunately, there are several easy steps we can all take to improve our health right now and protect ourselves from illness down the road.

Amy Goodson, a registered dietician, addressed this subject at the Alltech ONE Virtual Experience with a presentation entitled “Preexisting Conditions: Health and Immunity in a Post-COVID-19 World.” In this presentation, Amy outlined five major preexisting medical conditions that can increase everyone’s risk of disease. However, she also included easy ways to decrease your likelihood of getting sick.

“There are so many things that you can start doing today to lower your risk for any type of disease,” she said.

5 big illnesses to keep an eye on

The five primary diseases and issues that increase everyone’s risk of disease are:

  • Obesity
  • Heart disease
  • Hypertension
  • Type 2 diabetes
  • Lack of exercise

“All of these things together can really put a person in that vulnerable population or at a greater risk to suffer when it comes to other diseases and health concerns,” said Amy.

Despite how overwhelming it may feel to try to take on these significant issues, Amy assured that there are reasonable and straightforward ways to gradually move toward better health.

“A lot of times, people hear, ‘Oh, you should lower your risk for heart disease or for diabetes,’ and they don't know how to do that,” she acknowledged. “We're going to dial in on some easy, practical tips and help you set an action plan so that you can move forward into the next healthy step for you.”

1. Obesity

According to the World Health Organization (WHO), in 2016, around 650 million people were categorized as obese. Being obese can impact other aspects of human health as well, elevating a person’s risk for heart disease, stroke, insulin resistance and even some kinds of cancers.

So, how can we combat a condition that is so widespread? According to Amy, the upside is that, for most people, obesity is preventable, and weight is something that can be controlled by taking three simple but crucial steps: “Eat healthier, eat less and move more.”

Some of Amy’s recommendations for eating a healthier diet include consuming more nutrient-dense foods, eating a carbohydrate and a protein at every meal and snack and following the “80/20 rule” — that is, sticking to the health guidelines 80% of the time and splurging on higher-calorie foods or sweets 20% of the time. After all, man cannot live on vegetables alone, and even registered dieticians like Amy do not recommend trying to.

“We want you to be on an eating plan that you can really maintain throughout the rest of your life,” she said.

2. Heart disease

The WHO estimates that 17.9 million people die every year from cardiovascular disease, accounting for 31% of all deaths worldwide.

While some people have a higher risk of heart disease based on their family history, there are simple ways we can all keep our hearts healthy. One of the most important things to do, according to Amy, is to “know your numbers” — that is, your cholesterol, your triglycerides and other important measurements you can learn by visiting the doctor’s office. 

“Many people think they're healthy, and they haven't been to the doctor in years, so it's very important that you go see your physician,” said Amy.

Some other ways to improve your heart health are increasing your fiber intake, consuming more “good” unsaturated fats — like those found in olive oil, avocados and nuts — and eating less “bad” trans fats, which are often found in processed and fried foods.

3. Hypertension

In 2015, 1 in 4 men and 1 in 5 women around the world reportedly had hypertension, or high blood pressure — and even more alarmingly, less than 1 in 5 of those people had the problem under control, which explains why hypertension is one of the leading causes of premature death.

Much of the advice for mitigating the risk of obesity and heart disease also rings true for decreasing blood pressure or managing hypertension, including moving more and eating healthier foods, especially those with less sodium. As Amy reinforced, it all comes back to taking the small steps that have a big impact.

“What we want to do today is focus on or change what we can control,” she said.

Some of those changes include taking 10,000 steps every day and reducing your sodium intake, which many doctors recommend keeping under 2,300 milligrams per day.

4. Type 2 diabetes

“There are millions (of people in the world) — more than the whole population of the United States — (who) have diabetes, so this is something that concerns me,” Amy said.  

A person is diagnosed with diabetes when their blood sugar levels are too high. Type 2 diabetes results from the body’s resistance to insulin, a hormone that helps transform sugar into energy. This differs from type 1 diabetes, which is often diagnosed in childhood and is the result of the body not being able to make insulin at all.

Hundreds of millions of people have an elevated risk of developing type 2 diabetes, which is associated with a host of other health problems, including damaged nerves, worsening eyesight, foot sores and kidney failure.

Much like with the other major health risks, the key to avoiding or managing type 2 diabetes is eating more healthy foods. Amy explained the importance of “shaping a healthy plate,” which should include a carbohydrate (e.g., whole grains), a protein (such as lean meats) and a fat (like avocados) at every meal, along with plenty of vegetables.

5. Lack of exercise

“We know that, globally, 1 in 4 adults do not get enough exercise,” said Amy. “We need everyone across the world to get moving more.”

Along with the obvious benefits of exercise, such as developing muscle mass and managing weight, insufficient physical activity is a key risk factor for developing non-communicable diseases, like cancer and diabetes. However, as many people know, starting an exercise routine often feels like a hurdle as tall as Mount Everest.

“If it was easy, everybody would be doing it,” said Amy, “(but) there's a lot of practical ways that you can begin to include activity in your day on a regular basis.”  

To reduce the risk of chronic disease, Amy recommended that adults exercise at a moderate intensity level for at least 30 minutes a day on most days of the week. That doesn’t necessarily mean exercising for 30 minutes in one go; it could mean taking the stairs instead of the elevator, parking further away from an entrance and doing sit-ups during commercial breaks while watching TV.

For those who need more motivation to get moving, Amy pointed out that exercise has health benefits that go beyond the physical: it has been scientifically proven to elevate a person’s mood. 

“We live in a world that's stressful, and exercise is a healthy way to really relieve some of that stress and anxiety that many of us experience,” Amy said.

Taking the first step

So, what can you start doing now to decrease your risk for these illnesses and their negative side effects? For Amy, it’s all about starting small.

“I'm a big believer that small changes, made consistently, can add up to big results,” she said.  

Develop a personal action plan that will mesh with your life. Some of your first steps might include:

  • Setting one or two small goals and working to make those a habit over the next month
  • Going to the doctor
  • Aiming to get three planned days of exercise a week

Amy also recommended finding an “accountability partner” or someone who can help motivate you to stay on track as you begin the journey to better health.

“It's hard to choose the best (food) options and exercise, but oftentimes, if you have someone to do it with you, it makes it a little bit easier,” she said.

Just like with COVID-19, protecting yourself from these five major health risks can seem daunting — but starting small can lead to significant changes in the long run.

“I just want to encourage you to take a step -- whatever that step is, and it's going to be different for everybody,” she said. “It doesn't have to be a big step. But small steps really can create healthy habits so that, in the future, you're not in that vulnerable population.”

Visit one.alltech.com for more information.

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How to increase egg production with gut health

Submitted by aledford on Mon, 04/27/2020 - 15:03

The egg industry is currently going through its fair share of challenges. With production outstripping consumption and prices being squeezed, producers are looking for more ways to improve the efficiency of their businesses.

To try to achieve this, many are looking into how they can:

  • Improve eggshell quality.
  • Increase the number of eggs laid, with regular discussions around a target of 500 eggs per bird.
  • Lengthen the laying cycle.

With these objectives in mind, the role of layer gut health in production has never been more pertinent.

Egg production, for the laying hen, is a taxing process, considering the energy they use and the stress they endure. It is a biologically complex procedure, and to achieve the highest-quality eggs, the bird’s performance needs to be optimal. By trying to push the boundaries of a bird’s laying capability, we run the risk of compromising the quality of the end result.

If gut health in layers is not at its best, you will see the effects in the eggs they produce. In fact, gastrointestinal challenges are known to be connected to:

  • Fragile shells.
  • Dirty eggs.
  • Short and less abundant laying cycles.

These are issues that will not only hurt your birds but, in the long term, hurt your profits, too.

By making gut health a priority, we can ensure that layers have the resources they need to produce successfully. On top of this, when we talk about pushing the boundaries in terms of what our birds can do, optimal gut health is the key to safely achieving these goals.

Eggshell essentials

When aiming to “improve eggshell quality,” it is essential to distinguish precisely what that means. Generally, a good-quality shell is one that does not crack easily and, as a result, will reduce the number of seconds. However, increasing shell thickness does not necessarily improve quality; it is the structure of the shell that is crucial.

Many enzymes and minerals are involved in the creation of the shell structure. Layers receive the required minerals through their diet, but these minerals must be readily bioavailable for them to be useful in the egg-creation process. The small intestine cannot absorb non-bioavailable minerals.

We also need to be wary of how much of a mineral is included in the diet formulation, as well as the interactions of that mineral once it is consumed. Calcium carbonate, for example, is crucial for eggshell formation, and it is often presumed that increasing the amount of calcium in the diet will automatically lead to more durable shells. However, there is a negligible balance to be considered. Calcium, when dissolved in the gastrointestinal system, can interact with other minerals, reducing their absorption. This, in turn, can have a direct impact on other structural components of the egg, diminishing quality.

With these factors in mind, the best method for ensuring optimum bioavailability is to use chelated minerals in the diet. They will have fewer reactions with other minerals, allowing the bird to absorb more of the mineral. By ensuring that layers are getting the most out of their feed, we give them the best chance to maintain a healthy gut and, as a result, produce high-quality eggs.

Laying healthier and longer

The laying hen can naturally continue to produce eggs for many years, but her peak production will naturally decline with age. Genetic advances in recent years have allowed birds to produce nearly one egg per day, from week 18 to week 75. In some cases, however, the push for large eggs — which come at end-of-lay — has extended this period to 80+ weeks.

Lengthening the egg-laying period puts more stress on the bird, as she must create a metabolically rich egg while also maintaining her body weight and dealing with any additional challenges from the environment that may impact the immune system. It is worth noting that if the energy requirements of the bird are not being met, at a certain point, her body will shut down the reproductive system that was producing the eggs in favor of supporting her body weight and providing energy for vital bodily systems.

Healthy gut, healthy lay

Between 50–80% of the immune system functions in some way through the gut. Many factors can trigger the immune system, such as:

  • Mycotoxins.
  • New diets.
  • High levels of potentially pathogenic bacteria, known as dysbacteriosis.

The immune response in the gut generally takes the form of inflammation, which produces additional mucous layers. Added mucous creates an extra barrier for the minerals to pass through before being absorbed. This means that if an inflammatory response is underway, it is unlikely that the bird will receive its full mineral requirement, impacting eggshell structure and, therefore, strength and quality.

Maintaining and promoting gut health in flocks:

  • Increases villi height.
  • Reduces villi-crypt ratio.
  • Improves tight junctions between cells.

Villi with improved height will have an enhanced surface area and, therefore, can absorb more nutrients to sustain the hen for longer lay cycles. Improving tight junctions will prevent bacteria from becoming translocated into the bloodstream, which can lead to a multitude of problems — including, in the worst cases, diseases like colisepticemia.

The addition of Actigen®, a unique bioactive product derived from the Saccharomyces cervisiae yeast strain, in layer feed can help to optimize gut health. Actigen works to normalize and promote diverse gut bacteria. This helps with the maintenance of the bird’s gastrointestinal integrity and stability, which, in turn, supports its immune defense and gut health.

Getting the balance right

In a natural setting, the microbiome — the microbial population in the gut — is developed from the mother as the chick is raised in the nest. Our modern systems mean that this does not happen, so the creation and maintenance of the microbiome should be considered when determining management practices. Keeping the microbiome balanced will go a long way to improving layer gut health and egg production.

Many producers have been successful in improving gut health and the microbiome via the implementation of Alltech’s Seed, Feed, Weed program to manage the composition of the intestinal microbial community. This involves accelerating the evolution of the microbial community to a steady state and then maintaining the status quo. The Seed, Feed, Weed program achieves this by:

  • Seeding the gut with favorable organisms.
  • Feeding these favorable organisms.
  • Weeding out the unfavorable organisms.

By helping to maintain the microbiome balance, this program works to improve shell quality and enable a healthier, longer lay.

Producers in the egg industry are desperately seeking out ways to help their birds continue to lay more in the safest way possible. Quality food will help layers produce quality eggs — but this is only effective if the bird is able to absorb the beneficial nutrients that come from it in the first place. Improving the gut health of birds in lay will enable them to absorb a higher proportion of their feed. This will not only aid the overall wellbeing of the layer but will also give them the foundations to successfully and safely produce better eggs for a longer period of time.

 

I want to learn more about poultry nutrition. 

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Dr. Ronan Power – Insulin innovation: A revolution in the treatment of diabetes

Submitted by rladenburger on Tue, 03/17/2020 - 15:21

The rise of insulin prices over the last decade, plus the cost of pumps and syringes, has made treatment for diabetes more expensive than ever. Will a cost-effective insulin replacement ever exist? Dr. Ronan Power discusses Alltech Life Science's breakthrough in insulin pills for diabetes.

The following is an edited transcript of Tom Martin’s interview with Dr. Ronan Power. Click below to hear the full audio.

 

Tom:            Insulin prices have more than tripled in the last decade, and because insulin cannot be taken orally, pumps and syringes can add significantly to the cost. The result? This treatment is quickly becoming unaffordable for many diabetics, but insulin therapy is critical for most of them, and there's a search for options. One might have been found.

 

                     Dr. Ronan Power, vice president of Alltech's Life Sciences division, joins us to talk about something of a revolution in the treatment of diabetes. Thanks for joining us, Dr. Power.

 

Ronan:          Thank you, Tom.

 

Tom:            Tell us why, first of all, there is this need. I kind of described it in the introduction, but diabetes is a huge problem in this country, I assume.

 

Ronan:          Absolutely. It's a huge problem not only in the Western world, but it's becoming more and more of a problem in countries that have, if you like, found affluence in the last two to three decades and are adopting more and more of a Western-style diet and lifestyle. It's becoming a really, really big problem. I think one of the figures I saw most recently was an estimated 360 million sufferers worldwide, but that's only diagnosed cases.

 

                     Of the subtypes of diabetes, the two main ones, of course, people will be familiar with are Type 1 and Type 2. Type 1 typically hits younger people, and that is a type of diabetes where the cells in the pancreas that produce insulin are destroyed, and that can be an autoimmune-type disease or a reaction to a virus, in some cases. The most prevalent form is Type 2, which used to be called “adult-onset diabetes,” but now, it's creeping downwards in the age group and it's hitting people as young as four years of age — even younger — and that's part of the associated obesity epidemic or pandemic that we see in the world today.

 

Tom:            We're seeing studies that are projecting that if these rates, these obesity rates, continue at current trends, more than half the population of almost 40 states in the United States will be obese in 2030. What are the implications of failing to stop and reverse that trend?

 

Ronan:          I think they're absolutely massive — and I would say 50% is a conservative estimate. If you look at the implications of obesity as they relate to diseases like diabetes, there is a condition known as metabolic syndrome that precedes the development of diabetes. This is a condition which is characterized by not just obesity, but high blood pressure, high cholesterol or dyslipidemia. That's abnormal blood profiles, high triglycerides and so on and so forth. That can predispose people to many, many diseases, particularly coronary vascular disease or cardiovascular disease and pulmonary disease. That's even before you hit any diabetes threshold. Once people develop diabetes, there's a whole range of attendant problems that come with that, as people are aware of, but one of the larger problems, in my opinion, is the state of insulin resistance that begins to develop in people who tend to be overweight or have a higher-than-normal body mass.

 

                     Insulin resistance in itself can cause huge problems. Let me just mention an example. One of them is called PCOS, or polycystic ovary or ovarian syndrome. That's becoming a huge problem in the female population in terms of reduced fertility, inability to conceive and inability to sustain a pregnancy. That's a direct implication of insulin resistance. So, we're not just talking diabetes here; we're talking much broader, more debilitating conditions of life, if you will.

 

Tom:            We're here to talk about something that you're working on, which is an alternative to insulin that you have in development now. Can you tell us about this?

 

Ronan:          Sure. This is, I guess, the culmination of about 12 years of work in our labs here at Alltech. This started off as a plant-based or a botanical-based compound we found which was able to increase energy production in cells, or seemingly increase energy production in cells. Actually, it turned out to be that it improved energy consumption. So we've been studying this for quite some time, and we actually have made a lot of variance of this particular compound. We isolated it. We synthesized it. We made variations on a theme, as it were. Today, we have a compound, which we call Compound 43 — obviously a very imaginative name, the number 43, the variation of the compound which we developed. So, Compound 43 has got a very unique ability in being able to bind to insulin receptors and activate that receptor in the absence of insulin.

 

                     In effect, if you want to view the action of insulin on a cell as a lock and key mechanism, imagine that insulin is the key. It fits into a lock, which we shall call the insulin receptor. When both lock and key are working correctly and the mechanism is turned appropriately, that opens a glucose channel and allows glucose to enter the cell and be used properly.

 

Tom:            Let me make sure I understand up to this point. The compound that you're working on replaces that key.

 

Ronan:          It replaces the key. It can activate the lock even when the lock is broken, because in Type 1 diabetes, you're missing the key. In Type 2, there's something wrong with the lock mechanism; it doesn't work properly, or not at all, in some cases. But what this compound does is it binds to the insulin receptor (i.e., the lock) and can open it.

 

Tom:            So, it's doing the work of the insulin.

 

Ronan:          It's doing the work of the insulin. What we have, in effect, is an insulin replacement. It doesn't bind to the insulin receptor in the same place as insulin. It binds at different locations. Its purpose, simply, or what it does, is it brings the two arms of the insulin receptor together, and once they join together, it activates the insulin cascade inside the cell, which then allows that glucose door to open and allow glucose in.

 

Now, it's not a runaway reaction, by any means. It does stop, so there is a finite half-life of this compound, which we've determined to be about eight to ten hours. It doesn't crash the blood glucose. It takes it down, but it doesn't bottom it out at a dangerous level.

 

Tom:            Now, as I understand it, this would be administered orally as opposed to a shot.

 

Ronan:          Absolutely. This is our big breakthrough in the last year. When we initially tested this compound, we were using it in the traditional insulin-type way, of a subcutaneous injection, or even an IP, an intraperitoneal injection, but we've now developed a formulation which can be taken orally in tablet form, pill form, which works very well indeed. We have actually tested that in mouse models of diabetes, several different mouse models of diabetes, and it works perfectly well. The compound itself, we've also tested in human cell lines — liver, skeletal muscle, all of the major organs that are impacted by diabetes — and find that it works beautifully.

 

                     It can even be used in concert with insulin, in some cases, because when I describe the Type 1 and Type 2 diabetes, especially for Type 2, there are various levels of it. For some people, insulin works, but not as well as it does in the normal case. That's what we term “insulin resistance.” Insulin resistance can be a graded or a gradated type of resistance. That's why some diabetics, Type 2 diabetics, still take insulin, but this can actually help insulin action, so it works in concert with insulin, in some cases. Because it doesn't share the same binding site, it can be an additive or synergistic effect.

 

Tom:            I'm sure that anybody who is suffering from diabetes and hears this is going to be quite excited and quite hopeful.

 

Ronan:          Yes.

 

Tom:            How should they temper that hope? How far off are you, do you believe, from going to market with this?

 

Ronan:          First of all, I wouldn't be sitting here if I didn't believe this was a breakthrough. I believe that we can get this out through what we call a phase-one clinical trial in humans within about three years. If it shows promise there, we hope to go right ahead and follow with phase two or three. Best-case scenario, Tom: we're probably looking at six years to market, but I think that's a fast track. That will be a fast track, but I'm hopeful that when we approach FDA with this, they may, in fact, look upon it and say, “Okay.” This type of compound is not unknown, so it has a pretty good historical safety profile.

 

I believe that there is an urgent need to come up with alternatives to insulin. For whatever reason, Tom, there is some egregious price gouging going on in that market, and people are dying as a result, and I'm not being overdramatic in saying that. You can look at the press, the news, a whole variety of states, and see that people are actually rationing their insulin, using less-effective forms. People have to decide between groceries and insulin, and in some cases, it costs people more than their monthly mortgage, so it's a desperate situation for something that was sold — the patent for this — a lot of people aren't aware that the patent for insulin was sold in 1923 to the University of Toronto for the princely sum of CAN$3.

 

Tom:            And I understand, now, that a vial of insulin can be manufactured for about $7.

                                             

Ronan:          Yes, it is, depending on the grade and the type. It can vary from a very low price like that up to — I'm not sure of the final cost, but certainly, I would guess, no more than $20 or $30, but it's selling for people without insurance — I hear horror stories of people paying $400 to $500 a vial for the material, and that's something that, when you open it, you have to refrigerate it, and it's active for 28 days. What we're looking at is a tablet or a pill, and it's stable for two to three years.

 

Tom:            I believe I heard you say that a dose, let's put it that way, would last eight hours or so.

 

Ronan:          Yes.

 

Tom:                          So, theoretically, a person could take two of these pills a day.

 

Ronan:                       Theoretically, yes. Yes. It will vary per individual. And obviously, that would have to be determined medically by a person's physician, but I would think that, under normal circumstances, two pills per day, based on our studies, our modeling so far.

 

Tom:                          When you think beyond FDA approval and marketing and use, Ronan, what do you see out there as the implications for how this impacts the quality of life of diabetes patients?

 

Ronan:                       Well, if you look upon it this way, you'll see people in public and in restaurants looking at their little glucose pumps. You know, people still, every morning, come along and take that pinprick on their finger and look at the glucose strip and so forth. So, there’s a whole lifestyle associated with living with diabetes. Probably the biggest drawback I see for people is, you know, having to use all of the paraphernalia — the syringes, the needles, the phobia about the needle itself, even though, nowadays, it's tiny. Very thin needle indeed. But there’s so much that goes along with using insulin. I mean, having to refrigerate it, which is no problem in the West, but think about countries where refrigeration is not an option. Think about Africa.

 

Tom:                          Oh, it can limit your mobility too.

 

Ronan:                       Of course. Of course it can. And you know, we've done our stability testing on this. I mean, some of the models we use are mice. And can you imagine — we can put this compound into a mouse diet, right? Into a laboratory mouse diet, and retrieve it, fully active, 1 year later. We can pull it back out. So, it's an extremely stable compound.

 

                                    Now, insulin is basically a protein, so it will degrade. And that's why you have to refrigerate it, and it loses potency after a very limited period indeed. I think 28 days is the expiration on it. So, there are huge benefits for something like this, and indeed, companies have been struggling to develop an oral insulin preparation for decades, but I don't think anybody has ever looked at an alternative to actually physically activating the receptor.

 

Tom:                          Since this compound is being designed to treat a disease, I assume it would have to be approved and marketed as a pharmaceutical.

 

Ronan:                       Oh, absolutely, yes.

 

Tom:                          And that has implications for the company.

 

Ronan:                       Uh-huh. Yes.

 

Tom:                          Tell us about the discussions around that topic, because I know it's a very complicated one.

 

Ronan:                       Oh, it is. It's certainly a departure for Alltech. We have always been — well, apart from our beverage division and crop science — we've been very much associated with animal feed supplements and health supplements for animals. So, our dealings with regulatory bodies have been with the European Food Safety Authority in Europe (and) the Center for Veterinary Medicine branch of the FDA here, which deals with all of the ag products, if you will. We've had little or no dealings with the FDA itself, even though we did have initial discussions with them concerning a supplement we have called AT-001 some years back. But I think that while it will be a departure, it's an exciting new horizon for the company to actually get into something. We launched Alltech Life Sciences for that very purpose probably 8 or 9 years ago, to try to transfer some of our technology and products from the animal health arena to the human health area.

 

Tom:                          And it does seem to complement an announcement made at (ONE: The Alltech Ideas Conference) about the establishment of an Alltech foundation in partnership with UK Healthcare, which, of course, is human-oriented.

 

Ronan:                       Yes. Yes. I think that's an exciting prospect also. There are many, many excellent researchers and research laboratories at (the University of Kentucky), as you know. And many of those are active in the diabetes area, and I look forward very much to perhaps collaborating with them in the future. This may just be the first of many such preparations that we develop.

 

                                    We have other products in the pipeline, some of them related to diabetes. And as you know, we're also interested in neurodegenerative diseases. And we're also interested very much in intestinal health for humans. And by that, I mean, you know, trying to prevent this condition that is becoming quite pervasive in the U.S. and, indeed, in the West, which is sparked by what's called — I guess, rather unsavorily —  leaky gut syndrome. So, that leads, in turn, to a nonalcoholic fatty liver disease, and that's a condition that afflicts perhaps 20% of the adult population in the U.S., to varying degrees. So, that’s the third area: digestive health. So, neurodegenerative health, digestive health and, also, the diabetic care or, if you like, metabolic health. That will be our three areas of focus.

 

Tom:                          Well, I know that you’re a consummate professional, but I also have to believe that, on a personal level, that this accomplishment feels like a pretty good achievement for you.

 

Ronan:                       It has been a long road. I have been very, very fortunate, Tom, in having some excellent colleagues working with me, many of whom have what I call “green fingers” in the laboratory — excellent scientists. Dr. ZJ Lan is one. I have two very good ladies working in the lab, Katie Eastridge and Hayley Kincaid. I’ve got Dr. Rijin Xiao, who works on the bioinformatics side of things, all the data collation. And Ryan Goettl is a young man who’s also working on bioinformatics. We’re all held in check and held together by Ms. Jeannie Francis, who herds us wherever we need to go, but I’ve been very fortunate, and our outside collaborations have also been excellent. It’s 12 years. It seems like a long road, but it has gone in a flash. So, it has —

 

Tom:                          As these things have a way of doing.

 

Ronan:                       Indeed.

 

Tom:                          Well, Ronan, good luck with this. Congratulations as well. And we will be anxious to follow your progress.

 

Ronan:                       I look forward to updating you as we go along, Tom. Thank you very much.

 

Tom:                          Dr. Ronan Power, vice president of Alltech’s Life Sciences division, we thank you very much.

 

Dr. Ronan Power spoke at ONE: The Alltech Ideas Conference (ONE). Click here to learn about ONE and how you can access innovation on demand.

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Because of the increase in people diagnosed with diabetes and the rise of prices for treatment, there is an urgent need to come up with alternatives to insulin.

Degenerative joint disease in dogs

Submitted by clbrown on Mon, 02/24/2020 - 10:33

Like us, our dogs are now living longer than ever, thanks to advances in veterinary medicine, nutrition and overall care. However, this longevity comes at a price, as it only increases the chances for your canine companion to develop a common form of arthritis known as degenerative joint disease (DJD) or osteoarthritis.

What is DJD and why do dogs get it?

Again, much like we humans, our pets’ joint tissues often begin to deteriorate with age. This process is commonly gradual and affects the smooth layer of cartilage known as articular cartilage that is found at the ends of bones in one or more joints. Articular cartilage plays a key role in reducing friction within joints and allowing them to move smoothly. The breakdown of this protective cushion often leads to pain, inflammation and a decreased range of motion. While any joint can be affected, DJD often compromises a dog’s lower back and limbs.

Of course, some dogs are at an increased risk for developing this ailment, including large or giant breeds, due to their general size and weight placing more mechanical stress on their joints, as well as those who compete in high-impact sports, such as agility, dock diving or flyball. Poor nutrition, conformation and genetics are other potential factors. DJD can also develop as the result of a bone or joint injury or in connection to the stress of extra weight on joints in overweight or obese dogs. This is just one more reason why it is vitally important to keep your dog at a healthy body weight at all stages of life.

What are some signs of canine osteoarthritis?

A lasting vestige of their wild origins, dogs often instinctively hide their pain until it becomes severe, as showing signs of weakness would have made their ancestors vulnerable to potential predation. An obviously lame dog may be in potentially serious pain, which could be a sign that the DJD has reached an advanced stage. It is, therefore, especially important to monitor aging canines and those with a possible predisposition for subtle early warning signs, such as:

  • Stiffness — often noticeable as your dog moves from a lying to standing position
  • Lethargy — you may suddenly realize that your dog is sleeping a lot more than usual
  • Irritability, especially in response to being touched in certain areas
  • Inability or reluctance to jump into the car or onto furniture
  • Hesitance or refusal to take stairs
  • Decreased interest in activities such as walks or playtime

If you suspect that your dog might be suffering from arthritic pain, schedule an exam with your vet in order to obtain a definitive diagnosis and to formulate a plan for treatment.

What are the treatment and management recommendations?

Unfortunately, DJD is a progressive condition with no known cure. Treatment goals should include providing pain relief, fostering an improved quality of life and being as proactive as possible in delaying any further progression of this ailment. If you have a dog with arthritis, your vet may prescribe or recommend anti-inflammatory drugs, pain-relieving medications and/or joint supplements, which often contain glucosamine, methylsulfonylmethane (MSM), hyaluronic acid (HA) or chondroitin sulfate. For more advanced cases of this disease, an injectable, disease-modifying osteoarthritis drug (such as Adequan®) that has been designed to inhibit cartilage loss in a dog’s joints may be recommended. Alternative therapies — including acupuncture, laser therapy, aqua therapy, chiropractic adjustment and massage for dogs with arthritis — are also an option and may be used in conjunction with medication. In more severe cases, surgery to remove damaged joint tissue or to replace the joint entirely may be required.

Weight control is by far the most critical aspect of managing DJD. At an ideal body weight, you should be able to feel your dog’s ribs easily but not see them, and you should be able to see a visible waist when looking at your dog from above and a tucked-up belly when viewing your dog from the side. If you suspect that your dog needs to lose some weight, consult with your veterinarian about putting together a diet plan.

You may also find it best to modify your dog’s activity levels, perhaps retiring from high-impact events like agility or flyball and replacing them with more controlled activities, such as regular on-leash walks. It is important to keep your dog moving, even if it’s at a slower pace than what you both might be used to, as consistent low-impact exercise serves to maintain the tone of muscles that promote joint stability and helps to combat overall stiffness.

You may want to place an orthopedic dog bed or two around the house (away from cold or damp areas) to help alleviate joint pressure as your pet rests. You may also provide carpeted steps or a ramp to help your pet get up onto or down from higher resting spots, such as the bed or couch. Many owners might also wish to place additional non-skid runner rugs throughout the home to help their arthritic dogs navigate slippery footing more easily.

Fortunately, dogs often live comfortably for years following a DJD diagnosis, so long as proactive steps are taken to manage this condition.

 

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Many dogs are living well into their golden years these days, putting them at increased risk for a common form of arthritis known as degenerative joint disease (DJD) or osteoarthritis.

How to prevent common shrimp diseases

Submitted by lkeyser on Wed, 01/22/2020 - 09:06

Shrimp diseases are the shrimp farming industry’s biggest concern. In Asia, diseases cost the shrimp industry billions of dollars annually (Shinn, et al., 2018). There are numerous diseases that cause this economic loss. This article will provide guidance to help you prevent shrimp diseases by going back to basics with farm management practices, biosecurity and shrimp health management.

Common shrimp diseases in Asia

No single disease can be definitively named the most severe, as this depends on the area, the timing of the outbreak and the season. Some of the most common shrimp diseases found in Asia are acute hepatopancreatic necrosis disease (AHPND), which is caused by bacteria; white-spot syndrome virus (WSSV), which is caused by virus; and Enterocytozoon hepatopenaei (EHP), the fungal microsporidian. The table below summarizes the symptoms of and prevention methods for each of these diseases.

Disease

Type

Symptoms

Prevention

Acute hepatopancreatic necrosis disease (AHPND)

AHPND mainly infects giant tiger prawn (Penaeus monodon) and whiteleg shrimp (Penaeus vannamei).  

Asian countries that have reported cases of AHPND include China, Vietnam, Malaysia, Thailand and the Philippines.

Bacterial infection with strains of Vibrio parahaem-olyticus.

Sudden, mass mortalities (up to 100%), usually within 30–35 days of stocking grow-out ponds (FAO, 2013; Hong et al., 2016; NACA, 2012).

AHPND targets gut-associated shrimp tissues and organs.

 

Environmental factors: Overfeeding, poor seed quality, poor water quality, poor feed quality, algal blooms or crashes (FAO, 2013; NACA, 2012).

Practices: Improvement of hatchery sanitary conditions and PL screening; good broodstock management; use of high-quality post-larvae; strict feeding rate control; and appropriate stocking density (OIE, 2019).

White spot syndrome virus (WSSV)

First detected in Taiwan in 1992, WSSV then spread to almost all Asian countries (Sanchéz-Paz, 2010).

Virus

Rapid reduction in food consumption; lethargy; high mortality (up to 100%) within 310 days of the onset of clinical signs; loose cuticle with white spots, most apparent on the inside surface of the carapace; in many cases, moribund shrimp display a pink to reddish-brown coloration due to the expansion of cuticular chromatophores and few, if any, white spots (FAO, 2012).

Screening of broodstock, nauplii, PL and grow-out stages; avoiding rapid changes in water conditions; avoiding shrimp stress; avoiding the use of fresh feeds, particularly crustacean; minimizing water exchange to prevent virus carriers from entering the pond; treating infected ponds or hatcheries with 30 ppm chlorine to kill infected shrimp and carriers; and disinfecting associated equipment (FAO, 2012).

Enterocytozoon hepatopenaei (EHP)

EHP is now endemic throughout China, Malaysia, Thailand, Indonesia and Vietnam, and is likely present in India.

Microspori-dian parasite

EHP does not cause mortality, but it does heavily limit growth.

This pathogen can be detected by using gene-based tools, such as polymerase chain reaction (PCR) and loop-mediated isothermal amplification testing of feces from broodstock (Newman, 2015).

Biosecurity in the hatchery (no live feed, disinfection, clean eggs); proper pond preparation (physically remove accumulated organic matter and treat pond bottoms); and proper pond management during the growth cycle (Newman, 2015).

Disease can be brought on-farm by water quality, wildlife, equipment, people, stock and feces. They can manifest as external parasites, viral infections, bacterial infections or fungal infections. Therefore, the most practical way to prevent disease and/or reduce the losses they lead to is to implement proper farm management practices and enhance the immune system of the shrimp.

Farm management and biosecurity

The production cycle of shrimp farming consists of four components: broodstock, hatchery, nursery and grow-out. According to the Food and Agriculture Organization of the United Nations (FAO), each of these components would require clean water, clean rearing facilities, clean feed, hygienic protocols, and dry-out and break-cycle practice.

Shrimp disease treatment is not easy; often, it is more complex than disease prevention. There is not one single solution that fixes all problems, but there are preventive measures that keep pathogens from filtering through shrimp ponds and that keep shrimp healthy. FAO recommends the following best practices in shrimp culture:

  • Choose the right shrimp genetics: i.e., specific pathogen-free (SPF) and high performers for high biosecurity systems. Better biosecurity in shrimp aquaculture begins with clean broodstock that supply eggs and nauplii for hatcheries. The broodstock, whether SPF or non-SPF, should be carefully sourced and certified. This is the first and most important step to take, as it could prevent the disease carriers from entering the culture system.
  • Keep pathogens out: Dry out facilities regularly; disinfect fill and exchange water; control feed; and prevent air and droplet contamination.
  • Biosecurity implementation: Limit the number of visitors (e.g., vehicles, humans, birds, other carriers) to a minimum.
  • Hygiene: Install hand-wash stations, foot baths and wheel washes or tire baths; put up warning signs; disinfect footwear before entering the facilities; and wear boots.

Enhancing the immune system of shrimp

It is natural for pathogens and bacteria to be present in shrimp ponds. They might not even lead to any diseases for healthy shrimp with strong immune systems. Therefore, it is important to take good care of shrimp gut health and work to bolster their immune systems. This can be achieved by using the right feed additives.

One example is supplementation with zinc and selenium. Zinc plays a key role in modulating immune function, resulting in shrimp with increased immune capabilities. Zinc also helps maintain skin integrity and speeds up wound-healing. In addition to zinc, selenium supplementation has been proven to promote shrimp growth and immune health.

An Alltech solution that has been effective in field trials in Southeast Asia is Aquate™ Defender.

What is Aquate Defender? It is a blend of organic trace minerals (zinc and selenium) and Saccharomyces cerevisiae yeast extract. This product has been shown to help improve performance and bolster the immune system, ultimately increasing the profitability of the farm.

Aquate Defender is the solution platform for aquaculture that provides a combination of technologies based on proprietary processes. Aquate Defender technologies help maintain a protective balance between your aquaculture species, their nutrition and the environment in which they live. This optimizes animal performance and helps maintain healthy populations.

Researchers at Alltech have developed the Aquate Defender range of nutritional solutions in partnership with our global customer base, using our three core technologies: peptide technologies, solid-state fermentation (SSF) and yeast fermentation. Aquate Defender is specifically designed to address producers’ concerns about the gastrointestinal stability of their animals. Aquate Defender solutions help producers as they work to achieve their animals' true potential and enhance their profitability.

About Aquate Defender:

  • Promotes good bacteria and builds defenses
  • Promotes gastrointestinal integrity and stability
  • Enhances nutrient utilization
  • Reinforces the function of the digestive system
  • Optimizes performance and profitability

Aquate Defender can improve the gut microvilli length, thus improving overall nutrient absorption, which can translate to growth performance (see Figure 1 below).

Figure 1: Shrimp gut morphology after feeding Aquate Component for 56 days

Intestinal morphology of shrimp fed with Aquate over 56 days

Intestinal morphology

Control

MOS 1.0

MOS 2.0

MOS 4.0

Microvilli length, um

0.92 + 0.03a

1.10 + 0.07ab

2.39 + 0.14e

2.15 + 0.09d

Source: Zhang et al., 2012


The results of a commercial trial at a Malaysia shrimp farm studying the whole production cycle showed that Aquate Defender helped improve overall profitability. The average bodyweight of the harvested shrimp increased 0.77 g, and FCR was reduced by 0.24. Overall, the yield per hectare increased 1.96 tons per hectare, and the return on investment (ROI) for the application of Aquate Defender was 7 to 1, compared to the control.

Figure 2: Results of a commercial trial of white shrimp showing improved performance with Aquate Defender

Alltech vs. control

Mean body weight (MBW)

+0.77 g

Average length

+1.23 cm

Production per pond

+979 kg

FCR

-0.24

Production per hectare

+1,960 kg

ROI

7.1:1


By improving food absoption and gut health, Aquate Defender increased bodyweight and production.

Source: A large farm in Malaysia (Sept. 2012)

Research and local field trials conducted in Malaysia and Indonesia have proven that, when Aquate Defender is used, the shrimp gut is heathier, with a longer and better villi structure that leads to better absorption. Farmers using Aquate Defender in their nutrition programs are experiencing more successful rates of shrimp culture. In several Asian countries, customers who have previously used Aquate Defender continue to use this product in their feeding programs. 

Although shrimp disease is the main challenge in shrimp culture, it can be prevented and overcome with good farm management practices and a strong biosecurity system. As an animal health and feed additives company, Alltech and its solutions can support you by improving the immune health of your shrimp and increasing both your productivity per hectare and, ultimately, your profitability.

 

References

A.P. Shinn, J. Pratoomyot, D. Griffiths, T.Q. Trong, N.T. Vu, P. Jiravanichpaisal and M. Briggs (2018). Asian Shrimp Production and the Economic Costs of Disease. Asian Fisheries Science, 31S (2018): 29-58.

FAO (2012). Species Fact Sheets: Penaeus monodon (Fabricius, 1798). In: FAO Fisheries and Aquaculture Department. http://www.fao.org/fishery/species/3405/en

FAO (2013). Report of the FAO/MARD Technical Workshop on Early Mortality Syndrome (EMS) or Acute Hepatopancreatic Necrosis Syndrome (AHPNS) of Cultured Shrimp (under TCP/VIE/3304), 2013. Hanoi, Vietnam, 25–27 June 2013. FAO Fisheries and Aquaculture Report No. 1053, Rome, Italy, 54 p.

HONG X.P., XU D., ZHUO Y., LIU H.Q. & LU L.Q. (2016). Identification and pathogenicity of Vibrio parahaemolyticus isolates and immune responses of Penaeus (Litopaneus) vannamei (Boone). J. Fish Dis., 39, 1085–1097.

NACA (2012). Report of the Asia-Pacific emergency regional consultation on the emerging shrimp disease: Early mortality syndrome (EMS)/acute hepatopancreatic necrosis syndrome (AHPNS), 9–10 August 2012. Published by the Network of Aquaculture Centres in Asia-Pacific, Bangkok, Thailand.

Newman, S. (2015). Microsporidian impacts shrimp production. Global Aquaculture Advocate. https://www.aquaculturealliance.org/advocate/microsporidian-impacts-shrimp-production/

OIE (2019). Manual of Diagnostic Tests for Aquatic Animals – 14/11/2019. https://www.oie.int/fileadmin/Home/eng/Health_standards/aahm/current/chapitre_ahpnd.pdf

Sánchez-Paz, A (2010). White spot syndrome virus: an overview on an emergent concern. Vet Res. 2010 Nov-Dec; 41(6): 43. Published online 2010 Feb 26. doi: 10.1051/vetres/2010015

Sritunyalucksanaa, K., l Intaraprasonga, A., Sa-nguanruta, P., Filerc, K., Fegand, D. (2011). Organic selenium supplementation promotes shrimp growth and disease resistance to Taura syndrome virus. Science Asia 37 (2011): 24-30. doi: 10.2306/scienceasia1513-1874.2011.37.024

Zhang, J., Liu, Y., Tian, L., Yang, H., Liang, G., Xu, D. (2012), Effects of dietary mannan oligosaccharide on growth performance, gut morphology and stress tolerance of juvenile Pacific white shrimp, Litopenaeus vannamei. Fish & Shellfish Immunology 33 (2012) 1027-1032. https://www.hinter.com.cn/Upload/pdf/en/4.pdf

 

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Alltech Coppens launches next-generation starter feeds

Submitted by mdaly on Thu, 01/16/2020 - 08:26

TOP fry feed by Alltech Coppens provides key nutrients to trout during early life stages while improving water quality

 

[HELMOND, the Netherlands] – Alltech Coppens, an aqua nutrition specialist, has launched an improved range of innovative starter feeds for trout. Backed by extensive research at Alltech Coppens Aqua Centre (ACAC), TOP fry feed is shown to provide key nutrients while improving water quality.

Understanding the importance of early nutrition, Alltech Coppens advanced its range of starter feeds to support trout farmers in raising high-quality products for consumers. Research at ACAC shows that Alltech Coppens TOP fry feed has an optimised ratio between digestible protein and digestible energy (DP:DE). The result is better performance, higher protein utilisation and lower ammonia excretion, leading to improved feed efficiency and better water quality.

“We are excited about this feed and its ability to deliver optimum nutrition,” said Dr. Philip Lyons, global aquaculture research manager, Alltech Coppens. “Not only are producers able to improve performance during a critical phase, but they can also do so with an eye toward sustainability.”

Trials conducted at ACAC have shown that by reducing the digestible protein to digestible energy ratio (DP:DE) in every size of the TOP line, the protein utilisation by juvenile trout was markedly improved.

Further research shows that TOP allows the bacteria in biofilters to be more efficient, as they have to convert less ammonia per kilogram of feed. This is beneficial for RAS systems and any trout hatchery.

Two of the largest sizes of TOP feed are now available as micro-pellets that combine a slow sink rate paired with high water stability. This allows trout fry more time to eat while the water is kept cleaner.

“The Alltech Coppens research and development team has put innovation and the farmer at the centre of trials, leading to the creation of the next generation of starter feeds for trout,” added Dr. Philip Lyons. “The TOP line of products rounds out a suite of high-quality feeds designed to optimise the health and performance of fish throughout the production cycle.”        

     

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Alltech Coppens launches next-generation starter feeds       

 

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Dutch dairy farmers can lead the way in averting nitrogen emissions challenge

Submitted by mdaly on Tue, 12/03/2019 - 10:40

Heemskerk and Alltech collaboration working towards a cost-effective solution for rising ammonia levels

 

[DIESSEN, the Netherlands] – The agriculture industry in the Netherlands has been heavily hit by demands to reduce nitrogen (N2) emissions. Following a Council of State judgment, the Dutch government is now looking at how the agricultural industry can play a role in reducing overall nitrogen emissions, such as ammonia and nitrous oxide, from cows and manure.

Following last week’s declaration of a “climate and environmental emergency”, by the European Parliament, farmers and the agriculture industry can lead the fight against this crisis. Global animal health company, Alltech®, has partnered with Dutch dairy nutrition company, Ingenieursbureau Heemskerk®, to develop a solution. They are collaborating on a new technology, specifically designed to improve protein utilisation and reduce ammonia emissions in dairy cattle. Heemskerk intend to bring this product to the market in the near future.

“We need to ensure that we get the most out of the protein in our animal feeds and use the latest technologies to reduce agriculture’s ammonia emissions. Producing more and better quality food, whilst at the same time reducing waste, aligns with Alltech’s vision for a Planet of Plenty™,” explained Robbie Walker, business development manager, Alltech.

“Our partner, Heemskerk, is working to create a solution that can empower farmers in the Netherlands to make a real contribution to solving some of the environmental impacts created through agriculture while working towards new, sustainable dairy production practices,” added Walker.

An additional solution to treat ammonia in manure storage facilities is also being developed. Adding a feed solution to the daily ration of cows, coupled with a manure storage facility treatment solution, could potentially see a reduction of 38 kilotons of ammonia (NH3) per year.

“Speed and agility are essential if farmers are going to have a positive impact in the fight to reduce nitrogen emissions,” said Eric Heemskerk, founder of Heemskerk. “By collaborating with Alltech, we are working to create a cost-effective solution to the ammonia crisis that can be easily deployed. Ultimately, the product we will be bringing to market is backed by science, and we look forward to empowering farmers to make a real difference.

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Alltech has partnered with Dutch company, Heemskerk, who is working to create a solution that can empower farmers in the Netherlands to make a real contribution to solving some of the environmental impacts created through agriculture while working towards new, sustainable dairy production practices

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Adrián Ferrero: Improving soil health with ag-tech

Submitted by rladenburger on Mon, 11/11/2019 - 14:49

While farmers spend billions of dollars each year in crop inputs, many are missing biomarkers that can cost them up to 30% in total value. The ag-tech startup Biome Makers is using new technologies like DNA sequencing and artificial intelligence in agriculture to improve soil health and crop production on-farm. How healthy is the microbial activity of your soil?

The following is an edited transcript of Kara Keeton’s interview with Adrián Ferrero. Click below to hear the full audio.

Kara:              I'm here today with Adrián Ferrero, co-founder and CEO of Biome Makers, one of the Pearse Lyons Accelerators presenting at ONE: The Alltech Ideas Conference in 2019. Thank you for coming today, Adrián.

 

Adrián:           My pleasure to be here.

 

Kara:              Adrián, I wanted to know a little bit more about Biome Makers and how your company was founded.

 

Adrián:           Biome Makers is a company that started in San Francisco in May 2015, founded by two Spanish guys: Alberto Acedo and myself. We traveled from Spain with a partner, Illumina. We were the first non-American company selected by the Illumina Accelerator Program. In that moment, we started developing our technology. That gave us, also, the chance to test it in the real field with clients all around California.

 

Kara:              The technology you speak of is an artificial intelligence system to measure soil health using the microbiome as a biomarker. Explain this to me.

 

Adrián:           Well, we grew up in vineyards in Spain, so agriculture is very important. It was very important in our vineyards. We were fully aware that the farmers were missing biomarkers to really understand what is happening. Nobody was telling them, so the information, the data, accessible for them was very limited and did not provide a full picture.

 

                        So, by looking at the community of microbes that impacts everything that is happening in the field — not just in the soil, because the soil has living organisms that take an active role in agriculture, and that's something that we haven't been able to take a look at in the past years, but now, because we have DNA sequencing to profile the whole spectrum of microbes, and then, artificial intelligence to process this amount of information, this amount of data and benefits from other kinds of data sources — we can provide that functional interpretation of the microbes. That means that we can look at the microbes and know what is happening in the field in order to make better decisions related to, mainly, inputs. That means crop protection and fertilization.

 

Kara:              So, this technology allows you to work with farmers to look at their soil productivity and implement new procedures to help improve production on the farm, correct?

 

Adrián:           Yeah. Every year, U.S. farmers spend around $40 billion, which is a huge amount of money, in crop inputs. And still, around 30% of the crop value is wasted because of different problems. That means that the products they are using are not working pretty well. If they can optimize their inputs that they put in the soil, and those inputs support the productivity of the agriculture or the farm and also sustain and boost the life of the soil, that is going to be very good because, in the end, soil is the most valuable asset they have for their economic activity. That's what we're helping them with. First, they know or they unveil what the soil needs, and then, what they want to know is which is the right product for them. This is something we are doing with companies: delivering solutions into the market.

 

Kara:              So, you currently have field studies going on and research trials with the system, correct?

 

Adrián:           Right. We have over 250 growers already working with us, monitoring their soil status, knowing what their soil needs, how alive the soil is. On the other hand, we are working, and we started last year with our input producers — so that means Alltech or Bayer Crop Science or small bio-fertilizing companies. Those are the kinds of trials we're doing, because that was another dimension; nobody knew the real effect of the products that they are using in the soil. It's like we're taking pills and drugs and we don't know what's going to happen in our body. Our technology can help bring transparency to this, and that's what we're doing.

 

Kara:              Are these trials taking place just in the United States, or are they around the world?

 

Adrián:           Yeah. We are running trials right now mainly in California, but also here in Kentucky, also in Spain, in France, and in Mexico. Those are the six (places) where we're developing pilots, but what is more interesting is which kind of crops we're working with, because we started working in vineyards in the wine industry. It's amazing. It's huge, the lack of data to really deliver better products and different wines in the market. By knowing what is happening in the vineyard, this is very useful for them. So, in vineyards, we started, and we started to expand to other crops. Right now, we are working with almonds, strawberries, potatoes, corn, soy and apples.

 

Kara:              That is amazing. Working with a variety of crops allows you to look at different types of production. What benefit can this system bring to the different types of crops and to the different areas of the world when you're looking at the biomarkers?

 

Adrián:           Let me just give you an example of what we're experiencing now with sugarcane in Mexico. There are different regions with different productivity. The deal between two regions were extremely different — so, around 30% difference. After looking at the microbiome in the soil, we identified the pattern that linked to their productivity. Now, what we are doing with this client is working with different solutions to see if we can get up to 5% increase, which is going to have a huge impact on the productivity and the revenues that this grower is going to get at the end of the season.

 

We can impact, first, in the cost, in the expenses that the growers are having in their different inputs. So, depending on the crops, they might be spending over $2,000 per acre in different inputs. That's a lot of money, and you want that money to be meaningful. Then, on the crop protection side, you want to use target solutions for the risk on diseases that you have. You don't want to spray fungicide in a vineyard, for instance, killing all the fungal species, including the yeast doing something unique during the wine-making process that is going to leave some flavor or taste in that way.

 

Kara:              Biome Makers was the first startup chosen to join a new agricultural innovation space in California. What impact did this move have on your research, and how did working with Bayer Crop Sciences in this initiative impact your company?

 

Adrián:           For us, there was a demonstration. There was a growing interest by the solution providers in knowing what are the impacts of their products in the soil. As I mentioned before, there is a new wave of biological products landing into the market, so the growers don't have enough information; they're not going to know which product is the right one for them. By working with companies such as Bayer or Alltech or others, we are able to really know what are the specific effects of the products so we can match specific soil needs related to crop needs, and also location needs, for a specific crop in a specific location. This is the right product.

 

                        That's what we're working with a lot, and this has a huge impact. If companies like Bayer Crop Science are relying on our technology to really know what is happening with the solutions that they are delivering to the market, for us as a startup, this is very important.

 

Kara:              Your company was selected for the Pearse Lyons Accelerator Program. What has this experience been like for you and your company, and how did you come across this opportunity?

 

Adrián:           Well, right now, the information just flows very easily, so it was very easy to know where the opportunity was. Having the chance to partner or to connect with Alltech team through the Pearse Lyons Accelerator, that was very interesting for us because, right now, we are working with 14 different solution providers, and we wanted the most innovative companies to also start working with us. With the Pearse Lyons Accelerator, we have started running, in the last hundred days, different trials, different pilots, testing their products differently in different crops, and this is very successful.

 

                        On top of that, the work done by Dogpatch Labs in Ireland to improve and to fine-tune the pitch and the market strategy, and some advice from their leaders, the Alltech leaders, on the commercialization, distribution of how to manage the team and grow the company, it has been very useful for me as a founder who has the responsibility to really bring Biome Makers to the next level.

 

Kara:              Well, now I understand that your interest in microbiology is not limited to just agricultural production. You are also co-founder of AC-Gen Reading Life, a biotech company with a biomedical focus. Can you tell me a little bit about this company?

 

Adrián:           Yeah. Biome Makers is our second successful startup. The first experience that Alberto Acedo and myself had was in Spain, also using the same technology of DNA sequencing, but in this case, instead of using it to profile the microbes in the soil, we are looking at the different mutations that humans have in order to help doctors to really know what was the real, better solution. This is the personalized medicine. We built, in 2012, the first genetic diagnostic center specializing in DNA sequencing in Spain, and with that company, we won a lot of awards and recognition from the Spanish government, the European Commission. Even the MIT Technology Review also awarded us as best entrepreneurs/innovators.

 

Kara:              So, helping plants and animals with your research, where do you see the future of Biome Makers in the next five to ten years?

 

Adrián:           Well, right now, we need to receive the samples in our labs. We have dual locations, one in Europe, another one in California, in West Sacramento. What we see in the future is that digitalization of biology probably is not going to happen in our lab; it's going to happen on-site. So, the different machines, the robots, all the devices that are available for farmers, they're going to definitely digitalize the biology, but there will be some apps and systems to process the data and deliver the meaningful information on to take action. That's where we're working very hard on understanding all the connections between the different microbes in this network of living beings, all the patterns, and also the predictive power of this system. That's what we are focusing on.

 

Kara:              Well, thank you for joining us today, Adrián.

 

Adrián:           That's my pleasure. Thank you very much for inviting us.

 

Kara:              This was Adrián Ferrero, co-founder and CEO of Biome Makers.

 

I want to learn more about crop solutions for my farm.

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U.S. farmers spend around $40 billion every year in crop inputs while 30% of the total value is wasted.

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