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Mycotoxin Survey in North America: March 2023 Update

Our March 2023 update from the annual PROcheck mycotoxin survey is here.

2022 US Corn Ingredient Survey Reports

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)

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 of each of these feed ingredients regarding mycotoxin prevalence and contamination levels.

USA Corn

  • 283 samples submitted from 28 states
  • Overall occurrence for corn samples:

Occurrence

2022

2021

Total positive

90%

89%

>1 Mycotoxin/sample

66%

57%

  • Occurrence status by mycotoxin group:

Mycotoxins

2022

2021

A-Trichothecenes

1%

2%

B-Trichothecenes

67%

69%

Fumonisins

76%

64%

Zearalenone

30%

28%

Aflatoxins

10%

7%

Ochratoxin A

1%

1%

  • Based on the 283 corn grain samples tested to date, surveillance of 2022 crop suggests an increase in the occurrence of Fumonisins (+13% points), Aflatoxins (+3% points), and Zearalenone (+2% points) while slightly fewer samples have tested positive for B-Trichothecenes (-2% points) vs. 2021 crop.
  • Additional details including mean contamination levels and risk by state can be found by downloading the full report.

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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