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BIOMIN Mycotoxin Survey in US and Canada: April 2022 Update

Our April 2022 update from the annual Biomin® PROcheck mycotoxin survey comprising 341 samples of corn and corn by-products for the US and Canada is here.

US and Canada Corn Survey Report

Each sample was tested for 6 major mycotoxin groups of:

A-Trichothecenes (A-Trich): T-2, HT-2, Neosolaniol, Diacetoxyscirpenol
B-Trichothecenes (B-Trich): Deoxynivalenol (DON/Vomitoxin), Acetyl-deoxynivalenol, Nivalenol, Fusarenon X
Fumonisins (FUM): B1, B2, B3
Zearalenone (ZEN)
Aflatoxins (Afla): B1, B2, G1, and G2
Ochratoxin A (OTA)

BIOMIN Mycotoxin Survey in US and Canada: April 2022

Summary

The survey results represent samples sent in for surveillance testing only and does not include any sample submitted following clinical signs. Below we discuss trends of each of these feed ingredients regarding mycotoxin occurrence and contamination levels.

USA Corn 

  • Overall occurrence for corn samples:

Occurrence

2021

2020

Total positive

90%

88%

>1 Mycotoxin/sample

58%

49%

  • Occurrence status by mycotoxin group:

Mycotoxins

2021

2020

A-Trichothecenes

2%

4%

B-Trichothecenes

70%

58%

Fumonisins

64%

64%

Zearalenone

28%

20%

Aflatoxins

7%

5%

Ochratoxin A

1%

1%

  • Of the 258 corn samples tested, surveillance suggests that mycotoxin occurrence is somewhat increased compared to 2020, with the greatest shifts in B-Trichothecenes (+12% points) and Zearalenone (+8% points).

USA Corn By-Products

  • Overall occurrence for corn by-product samples:

Occurrence

2021

2020

Total positive

100%

99%

>1 Mycotoxin/sample

100%

98%

  • Occurrence status by mycotoxin group:

Mycotoxins

2021

2020

A-Trichothecenes

0%

4%

B-Trichothecenes

100%

99%

Fumonisins

100%

98%

Zearalenone

87%

85%

Aflatoxins

7%

4%

Ochratoxin A

0%

4%

  • Of the 69 corn by-products samples tested (primarily DDGS and corn gluten feed), surveillance suggests that mycotoxin occurrence is slightly increased compared to 2020.

Canadian Corn

  • Prevalence status on samples:

Prevalence

2021

2020

Total positive

93%

91%

>1 Mycotoxin/sample

29%

55%

  • Prevalence status by mycotoxins:

Mycotoxins

2021

2020

A-Trichothecenes

7%

39%

B-Trichothecenes

79%

82%

Fumonisins

21%

30%

Zearalenone

29%

21%

Aflatoxins

0%

0%

Ochratoxin A

0%

0%

  • Although based on a limited data set of 14 corn samples, surveillance suggests that mycotoxin contamination is somewhat lower compared to 2020, with the exception of Zearalenone (+8% points).

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