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Mycotoxin Survey in North America: December 2022 Update

Our December 2022 update from the annual PROcheck mycotoxin survey is here.

US and Canada 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

  • 147 samples submitted from 18 states
  • Overall occurrence for corn silage samples:

Occurrence

2022

2021

Total positive

88%

89%

>1 Mycotoxin/sample

59%

57%

  • Occurrence status by mycotoxin group:

Mycotoxins

2022

2021

A-Trichothecenes

1%

2%

B-Trichothecenes

54%

69%

Fumonisins

74%

64%

Zearalenone

22%

28%

Aflatoxins

14%

7%

Ochratoxin A

1%

1%

  • Based on the 147 corn grain samples tested to date, initial surveillance of 2022 crop suggests an increase in the occurrence of Fumonisins (+10% points) and Aflatoxins (+7% points) while fewer samples have tested positive for B-Trichothecenes and Zearalenone vs. 2021 crop
  • Additional details including mean contamination levels and risk by state can be found by downloading the full report.

USA Corn Silage

  • 41 samples submitted from 10 states
  • Overall occurrence for corn silage samples:

Occurrence

2022

2021

Total positive

98%

96%

>1 Mycotoxin/sample

59%

70%

  • Occurrence status by mycotoxin group:

Mycotoxins

2022

2021

A-Trichothecenes

2%

2%

B-Trichothecenes

98%

89%

Fumonisins

34%

21%

Zearalenone

41%

70%

Aflatoxins

0%

0%

Ochratoxin A

0%

0%

  • Based on the 41 corn silage samples tested to date, initial surveillance of 2022 crop suggests an increase in the occurrence of Fumonisins (+13% points) and B-Trichothecenes (+9% points) while fewer samples have tested positive for Zearalenone vs. 2021 crop.
  • Additional details including mean contamination levels and risk by state can be found by downloading the full report.

Canada Corn

  • 7 samples from 2 provinces
  • Overall occurrence for corn samples:

Occurrence

2022

2021

Total positive

86%

92%

>1 Mycotoxin/sample

57%

23%

  • Occurrence status by mycotoxin group:

Mycotoxins

2022

2021

A-Trichothecenes

14%

23%

B-Trichothecenes

86%

77%

Fumonisins

43%

23%

Zearalenone

43%

23%

Aflatoxins

0%

0%

Ochratoxin A

0%

0%

  • Based on the 7 corn grain samples tested to date, initial surveillance of 2022 crop suggests an increase in the occurrence of major mycotoxins vs. 2021 crop, but more sampling is suggested to better characterize this year’s contamination profile.
  • Additional details including mean contamination levels and risk by province can be found by downloading the full report.

Canada Corn Silage

  • 17 samples from 2 provinces
  • Overall occurrence for corn silage samples:

Occurrence

2022

2021

Total positive

88%

94%

>1 Mycotoxin/sample

29%

76%

  • Occurrence status by mycotoxin group:

Mycotoxins

2022

2021

A-Trichothecenes

6%

16%

B-Trichothecenes

88%

94%

Fumonisins

18%

45%

Zearalenone

29%

61%

Aflatoxins

0%

0%

Ochratoxin A

0%

0%

  • Based on the 17 corn silage samples tested to date, initial surveillance of 2022 crop suggests a decrease in the occurrence of major mycotoxins vs. 2021 crop, but more sampling is suggested to better characterize this year’s contamination profile.
  • Additional details including mean contamination levels and risk by province 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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