Biomin Mycotoxin Survey in US and Canada: February 2021 update
Our February 2021 update from the annual Biomin® PROcheck mycotoxin survey comprising 303 samples of corn and corn by-products from the US and Canada is here.
By: Summary
The survey results represent samples sent in for surveillance testing only and does not include any sample submitted following clinical signs. In the report we discuss preliminary trends of each of these feed ingredients regarding mycotoxin prevalence and contamination levels.
Download US Report Here
Download Canada Report Here
USA Corn
- Prevalence status on samples:
Prevalence | 2020 | 2019 |
Total positive | 85% | 96% |
>1 Mycotoxin/sample | 47% | 71% |
- Prevalence status by mycotoxins:
Mycotoxins | 2020 | 2019 |
A-Trichothecenes | 1% | 2% |
B-Trichothecenes | 56% | 81% |
Fumonisins | 63% | 76% |
Zearalenone | 19% | 46% |
Aflatoxins | 5% | 3% |
Ochratoxin A | 1% | 0% |
- Of the 212 corn samples tested, the mycotoxin contamination seems relatively lower in comparison to 2019.
USA Corn By-Products
- Prevalence status on samples:
Prevalence | 2020 | 2019 |
Total positive | 100% | 100% |
>1 Mycotoxin/sample | 99% | 99% |
- Prevalence status by mycotoxins:
Mycotoxins | 2020 | 2019 |
A-Trichothecenes | 3% | 6% |
B-Trichothecenes | 99% | 100% |
Fumonisins | 97% | 98% |
Zearalenone | 86% | 94% |
Aflatoxins | 6% | 2% |
Ochratoxin A | 6% | 4% |
- Of the 71 corn by-product samples tested, the mycotoxin contamination seems relatively lower in comparison to 2019.
Canadian Corn
- Prevalence status on samples:
Prevalence | 2020 | 2019 |
Total positive | 85% | 96% |
>1 Mycotoxin/sample | 47% | 71% |
- Prevalence status by mycotoxins:
Mycotoxins | 2020 | 2019 |
A-Trichothecenes | 38% | 27% |
B-Trichothecenes | 76% | 85% |
Fumonisins | 33% | 32% |
Zearalenone | 29% | 27% |
Aflatoxins | 0% | 2% |
Ochratoxin A | 0% | 0% |
- Of the 21 corn samples tested, the mycotoxin contamination seems relatively lower in comparison to 2019.
8 May 2025
2
minute read
