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BIOMIN Mycotoxin Survey in US and Canada: March 2022 Update

Our March 2022 update from the annual Biomin® PROcheck mycotoxin survey comprising 286 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: March 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

87%

88%

>1 Mycotoxin/sample

54%

49%

  • Occurrence status by mycotoxin group:

Mycotoxins

2021

2020

A-Trichothecenes

1%

4%

B-Trichothecenes

69%

58%

Fumonisins

61%

64%

Zearalenone

27%

20%

Aflatoxins

7%

5%

Ochratoxin A

1%

1%

  • Of the 219 corn samples tested, initial surveillance suggests that mycotoxin occurrence is relatively increased compared to 2020, with the greatest shifts in B-Trichothecenes (+11% points) and Zearalenone (+7% 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%

98%

Fumonisins

100%

97%

Zearalenone

89%

85%

Aflatoxins

9%

4%

Ochratoxin A

0%

4%

  • Of the 56 corn by-products samples tested (primarily DDGS and corn gluten feed), initial surveillance suggests that mycotoxin occurrence is somewhat increased compared to 2020.

Canadian Corn

  • Prevalence status on samples:

Prevalence

2021

2020

Total positive

100%

91%

>1 Mycotoxin/sample

27%

55%

  • Prevalence status by mycotoxins:

Mycotoxins

2021

2020

A-Trichothecenes

9%

39%

B-Trichothecenes

82%

82%

Fumonisins

27%

30%

Zearalenone

27%

21%

Aflatoxins

0%

0%

Ochratoxin A

0%

0%

  • Although a small data set, based on the 11 corn samples tested, initial surveillance suggests that mycotoxin contamination is relatively lower compared to 2020.

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