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Mycotoxin Survey in US Corn: January 2022 Update

Our January 2022 update from the annual PROcheck mycotoxin survey comprising 201 samples of corn is here.

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US 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)

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 preliminary trends regarding mycotoxin prevalence and contamination levels.

USA Corn

  • Overall occurrence for corn samples:

Occurrence

2021

2020

Total positive

92%

88%

>1 Mycotoxin/sample

55%

49%

  • Occurrence status by mycotoxin group:

Mycotoxins

2021

2020

A-Trichothecenes

1%

4%

B-Trichothecenes

71%

58%

Fumonisins

65%

64%

Zearalenone

23%

20%

Aflatoxins

10%

5%

Ochratoxin A

2%

1%

  • Of the 157 corn samples tested, initial surveillance suggests that mycotoxin occurrence is increased compared to 2020.

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

86%

85%

Aflatoxins

9%

4%

Ochratoxin A

0%

4%

  • Of the 44 corn by-products samples tested, initial surveillance suggests that mycotoxin prevalence is somewhat increased compared to 2020.

Mycotoxin Services & Tools

  • Mycotoxin PROcheck

    A 5-step comprehensive mycotoxin risk management service program designed to counteract the mycotoxins occurring in feed ingredients, and to safeguard the health and performance of your animals.

  • Mycotoxin Detection

    We offer a range of analytical services to customers to assess the mycotoxin contamination of feed materials.

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