Randox Food Diagnostics: Feed Testing in the Meat Industry – Challenges and Solutions

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Randox Food Diagnostics: Feed Testing in the Meat Industry – Challenges and Solutions

The global meat industry is a multi-billion-dollar business contributing over $85 billion to the US economy alone annually. Globally it is valued at $800 billion and as such, it is one of the biggest industries in the world.

With its already strong position and an ever growing demand for meat products the market shows no sign of slowing down. There are continued demands set on producers to provide not only more meat, but meat at a higher quality. Public awareness on issues such as drug residues, animal rights, food safety and antibiotic resistance is on the rise and as such producers and processors are more and more required to meet stringent requirements.

With the increasing demand on quantity and quality the industry faces many challenges and one the key areas of interest in this production chain is the monitoring of residues.

Residues in food relates to the residual amount of a particular compound either administered to an animal as a veterinary treatment or a naturally occurring compound present in food for human consumption.

There are a number of potential issues that can arise from contaminated feed and it is important for producers to ensure that animal feed has little or no trace of residues of mycotoxins, growth promoters or veterinary drugs.

Veterinary drugs are often added to feed to be used as a method of treating livestock, producers therefore must be sure of the dosage to ensure that withdrawal periods are correctly adhered to. Mycotoxins may also be present in feed due to a number of environmental factors, this can have a negative impact of the livestock.

The Mycotoxin Threat

Mycotoxins are naturally occurring toxins produced by fungi, commonly known as moulds, which can have a harmful effect on humans and livestock. These moulds are of interest to producers because they have the potential for significant economic losses due to how they impact human health, animal productivity and international trading.

Mycotoxins can be present in a wide variety of foods and feeds and are a particular threat in areas with climates of high temperature and humidity. They can enter the food or feed chain through contaminated crops, in particular cereals, poultry meat and kidneys, pig kidneys and pork sausages. Contamination may also occur post-harvest during storage, transport, and processing stages of the food or feed supply chain.

The establishment of mycotoxin limits and regulations have been set by multiple food agencies worldwide.  For example the EU 2002-32 Directive sets maximum permitted levels (MPLs) for substances that are present in, or on, animal feed that have the potential to pose danger to animal or human health, to the environment, or could have an undesirable affect to livestock production.

One type of livestock that can be significantly impacted by mycotoxins are pigs. Pig feed contaminated with mycotoxins can cause serious risks to pig health.

For example, Aflatoxins consumed by swine can expose non-clinical characteristics with low level exposure (20 to 200 ppb), inducing symptoms displayed such as feed avoidance, gastrointestinal disturbances, paleness and slower growth. It can also suppress the immune system and cause young piglets to become more susceptible to bacterial, viral or parasitic diseases. With prolonged exposure causing a greater risk of cancer, liver damage and jaundice.  High concentrations of aflatoxin (1,000 to 5,000 ppb) result in acute effects, including death. It is a genotoxic carcinogen and suitably its levels have been set as low as realistically possible in complete feeding stuffs for pigs and poultry with a maximum content value of 0.02.

Zearalenone is another mycotoxin that can have a negative impact on livestock. Produced by a strain of Fusarium graminearum it has been listed under the Directive with a guidance value. It has an estrogeneous action and is significantly toxic to the reproductive system of animals with the potential to cause rectal and vaginal prolapses in gilts (young sows). Zearalenone has been allocated a suggested guidance value of 0.1ppm in complementary and complete feeding stuffs for piglets and gilts and 0.25ppm in feedstuffs for sows and fattening pigs.

With the risk from multiple Mycotoxins in animal feed it is important to be able to detect dangerous levels of each listed in the EU Directive in order to reduce instances of damage to animal health.

Growth Promoters

Growth promoters are often used in the meat industry to increase yield of livestock, an important tool considering the increased demand on quantity from the food chain. Some of these growth promoters however are known to have a negative impact on both animal and human health.

The presence of anabolic steroids including beta agonists such as Clenbuterol and Ractopamine, as well as other veterinary drugs is under a strict monitoring program in meat and animal feed to prevent these negative impacts.

Growth promoting drugs are used to induce weight but can have various health concerns such as such as hospitalisation with reversible symptoms of increased heart rate, muscular tremors, headache, nausea, fever, and chills.

The potential human health risks highlight the importance of complete food safety testing before a food product reaches the public.

Veterinary Drugs

Due to the nature of the conditions livestock is generally kept in, there is a high potential for infection and spread of viruses. Producers need to be aware and proactive in treating any veterinary disease that arises.

One such disease that can be an issue is coccidiosis which is a parasitic disease of the intestinal tract. This disease can be spread by contact with infected faeces, or the ingestion of infected tissues by other animals. Coccisiostats are potent drugs which are widely used within veterinary practice to treat coccidiosis, mainly in feed additives. Chickens are susceptible to at least 11 species of coccidia that causes coccidiosis therefore creating an importance to treat for. Coccisiostat residues that occur in high levels within food for human consumption can be unsafe and can have negative effects on pre-existing coronary conditions/diseases. These residues can pass through the meat tissue and eggs.

The Solution

With a variety of potential residues to be detected and a need for accurate results many producers are using Randox Food Diagnostics technology to carry out sample analysis.

With the development of the patented Biochip Array Technology Randox have consolidated the testing of multiple residues down to one sample which means time and cost saving for the meat industry. For example, with one Biochip a meat producer’s laboratory could test for 9 different growth promoter residues.

The technology centres on the Biochip, a 9mm2 ceramic chip which acts as the reaction well where samples are placed, requiring little technical expertise for preparation. Each chip is spotted with the antibodies required to detect the individual analytes being tested for and can accommodate up to 43 analytes. Food laboratories can then detect 43 different residues with one test.

The biochip works on the Evidence Investigator (Semi-Automated) and Evidence MultiSTAT(Automated) analysers. These analysers are used as the imaging stations for the biochips. Each spotted test site sends out a chemiluminescent signal which is detected by the analyser, processed, quantified and validated by the instrument software.

With a simple process, fast method and trusted results many of the world’s top meat producers are investing in Biochip Array Technology to ensure the safety and quality of their products.

For more information please contact us at: info@randoxfooddiagnostics.com.

 

 

 


Randox Food Diagnostics offers innovative multiplex technology for mycotoxin screening within varieties of farmed crops

Mycotoxins are poisonous chemical compounds produced by certain fungi. There are many such compounds, but only a few of them are regularly found in food, farmed crops and end product animal feeds. Since they are produced by fungi, mycotoxins are associated with diseased or mouldy crops. Those that do occur in food may have an impact on livestock and the health of humans and have been associated with conditions such as asthma, respiratory infections and chronic fatigue. The main causes of mycotoxins within stored grains are when the grain is damp, damaged or cracked and kept in insufficient storage conditions.

The formation of mycotoxins is climate-dependent, with temperature and moisture levels directly impacting fungal growth. Evidence shows that climate change is causing increasing temperatures and altered rainfall patterns. Additionally, extreme weather incidents have increased. As a consequence of these changes, increased levels of mycotoxins have been observed in some European crops.

Mycotoxins occur, and exert their toxic effects, in extremely small quantities in foodstuffs. Their identification and quantitative assessment therefore generally require sophisticated sampling, sample preparation, extraction, and analytical techniques. Under practical storage conditions, the aim should be to monitor for the occurrence of fungi. If fungi cannot be detected then there is unlikely to be any mycotoxin contamination. The presence of fungi indicates the potential for mycotoxin production, and the need to consider the fate of the batch of commodity affected.

In order to help the industry Randox Food Diagnostics developed the Evidence Investigator analyser. The Investigator uses Biochip Array Technology (BAT), a technology that was developed by Randox, to detect multiple residues (up to 45) from a single sample. Within farmed crops Randox Food Diagnostics provide testing for different matrices such as: Maize silage, maize, Barley, grass seed, rice, wheat, oats, soya, DDGS, rapeseed as well as livestock and pet foods including premixed feed.

Randox Food Diagnostics offer a mycotoxin screening array on Biochip called Myco 10 which can detect 10 mycotoxins per sample including aflatoxins G1/G2 & B1/B2, ergot alkaloids, fumonisins, paxilline, ochratoxin A, diacetoxyscirpenol, deoxynivalenol (DON), T2 toxin & zeralenone. Also offered is a range of ELISA test kits including ergot alkaloids.

Randox Food Diagnostics is a regular participant in the FAPAS proficiency testing scheme which provides an independent check of a laboratory’s procedures to ensure the delivery of quality results. To read our study on: Biochip Array Technology for the reliable performance of multi-mycotoxin determination in animal feed materials” click here: http://www.randoxfooddiagnostics.com/docs/default-source/randox-fd/posters/bat-mycotoxins-in-animal-feed-materials.pdf?sfvrsn=4

For more information on our arrays for mycotoxins please visit the website: http://www.randoxfood.com/matrices/mycotoxins or contact us via email at: info@randoxfooddiagnostics.com

 

 

 

RX series 123

Extreme Weather Results in High Risk of Mycotoxin Contamination

Mycotoxin contamination is a real and constant threat for feed and animal compound producers globally. Recently the University of Guelph, Guelph, Ontairo stated that the different geographical locations of cattle mean between 10 and 20 mycotoxins can be present at once. This is a result of extreme weather patterns across the US with excess moisture and drought in different areas causing an increase in the frequency of mycotoxins, creating challenges in protecting livestock from ingesting contaminated feed.

The most common mycotoxins found are Aflatoxin, Fusarium, Deoxynivalenol and Zearalenone. Aflatoxin is produced by Aspergillus flavus, a tropical fungus that thrives in high humidity and affects an animal’s liver, causing cancer in more extreme cases. Fusarium can develop in most temperate climates across the U.S and Canada. Fusarium poses a higher threat than other toxins as there are hundreds of different chemical structures to analyse to enable identification of the Fusarium.

Difficulties also arise in finding an analytical method sensitive enough to detect mycotoxins at low levels of contamination as small amounts can still lead to fatal results in horses, dogs and cats.

To prevent mycotoxin infection in feed, processors can implement a routine screening procedure with the help of Randox Food Diagnostics. Randox Food offer a multiplex screening system for the simultaneous detection of up to 10 of the world’s most prevalent mycotoxins including: Paxilline, Fumonisins (part of the Fusarium group), Ochratoxin A, Aflatoxin G1/G2, Aflatoxin B1/B2, Ergot Alkaloids, Diacetoxyscirpenol, Deoxynivalenol, T2 Toxin and Zearalenone. All compounds are screened at low limits of detection using Biochip Array Technology.

Biochip Array Technology is a patented technology created by Randox to facilitate the detection of contaminants and drug residues with over 20 evaluated matrices in feed (see full list below).

 

Animal Feed (Complete) Millet Sunflower
Barley Mustard Seed Wheat
Beet Palm Kernel Grass
Buckwheat Rapeseed Whey
Corn/Maize Rice Linseed
Cotton Seed Rye Feed Pea
Distillers Grain Silage Vetches (Vica)
Hay Soya Oat

To learn more about Mycotoxin testing with Randox Food Diagnostics email, info@randoxfooddiagnostics.com 

 

 

 

 

 


Protecting Pets from the Threat of Mycotoxins

Pet Food companies worldwide are working towards constantly improving and maximising the quality of their product. The problematic topic of mycotoxin contamination in pet feed is quickly becoming a major cause for concern. This is due to the risk they pose for animal health and with the  increasing prevalence of mycotoxins globally the focus is on pet food companies to meet EU and FDA regulations and maximise the quality of their product.

What are Mycotoxins?

Mycotoxins are naturally occurring metabolites that are produced by certain moulds and with the ability to develop and grow on a variety of crops they can affect large amounts of feed and increasingly, pet food. If a sample tests positive even for low levels of contamination the toxins are still strong enough to cause illness in animals, and if low levels are consumed over a long period of time this can result in chronic illnesses including; cancer, organ damage and neurological disorders.

The main mycotoxins of concern in pet food are;

  • Deoxynivalenol (DON)
  • Fumonisins (FUM)
  • Zearalenone (ZEN)
  • Aflatoxins
  • Ochratoxin
  • T-2 Toxin

Contamination can occur in any country around the world and at any stage of production. Herein lies the issue of how to prevent mycotoxin pollution, to tackle the issue head on and work towards a mycotoxin free product is the joint responsibility of feed producers, supply chain partners and quality control laboratories ensuring the complete safety of the product.

How can you tell if an animal has ingested pet food contaminated with mycotoxins?

In terms of animal health, mycotoxins can cause a variety of problems. Severity and symptoms can vary from animal to animal but general symptoms include; hyperactivity, vomiting, high temperature and loss of coordination. If you suspect your pet has been affected by mycotoxins you must bring them to the vet for immediate treatment.

The European Union currently regulate all the mycotoxins listed above and are subject to maximum or recommended residue limits. In the US, FDA regulations are limited to aflatoxins, DON and fumonisins, see table below for FDA regulations. If mycotoxin levels in feed fail to meet FDA standards, mass amounts of feed may need to be destroyed as grain producers are prohibited from mixing contaminated feed with clean feed to reduce the mycotoxin levels.

Pets Mycotoxin Commodity Level
Immature Animals Aflatoxins Corn/ peanut/ other ingredients 20 ppb
Adult Pets Aflatoxins Corn/ peanut/ cottonseed meal/ other ingredients 20 ppb
DON Grain/ grain byproducts, not to exceed 40% of diet 5 ppm
Fumonisins Corn/ corn byproducts, not to exceed 50% of the diet 10 ppm

How do we tackle the problem?

Safe, reliable screening solutions for different variations of mycotoxins are available that can ensure only mycotoxin free feed is produced. Randox Food Diagnostics have created mycotoxin screening platforms as a response to increased levels of mycotoxins being found in feed globally.

The platforms use patented Biochip Array Technology (BAT) so pet food producers can test for multiple toxins from a single sample. Randox Food Diagnostics have a range of mycotoxin Biochip Arrays available with customised arrays available to suit the specific screening needs of certain producers. Each Biochip format uses a straightforward extraction process with a 50µl sample of feed, available tests include; Fumonisins, Ochratoxin A, Aflatoxin G1/G2, Aflatoxin B1, Paxiline, Ergot Alkaloids, Diacetoxyscirpenol, Deoxynivalenol, T2 Toxin and Zearalenone.

For more information on mycotoxin screening with Randox Food Diagnostics contact info@randoxfooddiagnostics.com

 

 

 


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