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Life Rainbow
Survey of Mycotoxin in Feed
Published: March 13, 2017
By: Author: Elaine Liao
In 2016, Life Rainbow mycotoxin analysis laboratory collected 417 feed samples from feed mills of large and medium size in Taiwan. The survey reveals essential information on the pollution degree of major mycotoxins including aflatoxins, zearalenone, fumonisins and DON in poultry and swine feed. All the samples were analyzed using ELISA and the mycotoxin analysis kit from Romer’s lab.
Results
The results show that 92% of feed were contaminated with DON; 86% of feed were contaminated with zearalenone, 77% of feed were contaminated with aflatoxins; and 53% of feed were contaminated with fumonisins.
Table 1: 2016 Mycotoxin contaminations in animal feed in Taiwan
Comparing to the same survey in 2015, the pollution percentage increased in DON (from 89.5% to 91.8%), zearalenone (from 76.2% to 85.8%), and aflatoxins (from 62.5% to 76.8%). The average concentration increased by more than 10% (see Table 2).
Table 2: Comparison of mycotoxin concentration in feed samples in 2015 and 2016
Comparing to the Asian regional result from a global survey (World mycotoxin survey 2016, Biomin) the similar trend in DON, zearalenone, and aflatoxins is observed. Meanwhile, the fumonisins concentration and pollution percentage are found to be lower in the Taiwanese feed samples.
Conclusion:
Mycotoxin remains to be a significant issue in feed supply chain. A high incidence of single and multiple types of mycotoxin contamination is observed in feed. The risk is unpredictable while only comparatively small amount of feed were sampled and tested in the laboratory. Moreover, the mycotoxin pollution is expected to become worse in the coming years due to the extreme weather condition. Therefore, it is essential for feed producers to stay alert and take action to control mycotoxin risk.
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23 de marzo de 2017
Dear Dr. Channegowda H K,
From our experience, three perspectives need to be taken into account while assessing "mycotoxin problem".
-Mycotoxin contamination profile
-Animal species
-The exposure time
Aflatoxin is well regulated in the import port in Taiwan. You can clearly see it by reading the average and highest concentration. (2.16 ppb, 8.82 ppb, respectively). But for Zea, Fumonisin and DON, the result of survey shows the possibility of high contamination in the sample.
It is true that poultry is generally less sensitive to mycotoxin comparing to Swine. According to the past research, mycotoxin mainly affects poultry immunity and the conformation of intestinal wall. It can be observed by running the vaccine tiler measurement and the histological investigation.
The broiler exposes to mycotoxin for 34 days, while the layers and breeders have a long shelf-life. The depression of immunity and the harm in the intestinal wall are accumulative.
To conclude, the level of mycotoxin in our survey will not directly kill your poultry. But if the performance in the farm is not satisfied, or the farm encounter unusual disease outbreak, mycotoxin problem should be kept in mind while you manage to solve the problems.
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24 de marzo de 2017
Thank you Debby for your comments.
It is well documented that feeds are the major source of mycotoxin contamination in poultry (and other animals) and that these toxins are carried -over to eggs and meat of poultry; which are the major sources of protein to man. Aflatoxin B1 is a known carcinogen
It is also reported that different feed ingredients determines the level of mycotoxin contamination; those containing fat being more susceptible, thus if feeds used are of this nature and disease incidences increase,slow growth rates and poor hatchability of eggs experienced, then mycotoxins are suspect # 1.
Therefore proper handling of feeds at all levels is paramount so as to save poultry industry economically.
Thanks
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Toxi-Free® PLUS
It aims to efficiently degrade the potent and inevitable mycotoxins and spare the toxicity within feed stuff.
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22 de marzo de 2017
Dear Author/Elaine Liao,
The results survey shows that levels of mycotoxins in samples are well below the toxicity levels.
The toxicity levels for aflatoxin min 20 ppb and above, similarly for Zea 100 ppb for poultry whereas DON for piggery > 100 ppb.
Do you still think mycotoxins are real problem to poultry producers?
Channegowda
Consultant Veterinary Nutritionist
India
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