MYCOTOXIN REPORTS
Mycotoxins in Livestock Feed
Our Guide for Mycotoxins in Dairy can help you identify and understand the types of mycotoxins and ranges for potential reactions.
OCTOBER 2024 – MARCH 2025 DATA
Mycotoxin Risks In Your Area
TMR MYCOTOXIN VALUE STATE AVERAGES
October 2024 – March 2025 DATA
CORN SILAGE VALUE STATE AVERAGES
October 2024 – March 2025 DATA
Latest Mycotoxin Reports
Mycotoxin Report: October 2024 – March 2025
Continued Elevated DON Levels and Rising Incidence of Fumonisin
Mycotoxin Report: March – September 2024
Regional differences were clear for mycotoxin assay results for the 505 corn silage and 303 TMR samples collected between March 1 and September 30, 2024, as displayed in Table 1 and 2 and Figures 1 and 2 for the TMR and corn silage respectively.
Mycotoxin Report: October 2023 – February 2024
Mycotoxin Summary Results Larry Roth, Ph.D., PAS, Vice President of Nutrition Mycotoxin assays of TMR and corn silage samples indicate regional variations in mycotoxin contamination levels across the US. The summary of the 452 TMR samples and 232 corn silage samples...
Mycotoxin Report: April – September 2023
Mycotoxin Summary Results Larry Roth, Ph.D., PAS, Vice President of Nutrition Mycotoxin evaluation is a key component of the Agrarian Mycotoxin Protection Program. The mycotoxin summary results for April 1 through September 30, 2023 are displayed in figures 1 and 2....
What Are Mycotoxins?
Mycotoxins are naturally occurring toxins produced by certain molds (fungi) that contaminate crops and feed. These secondary metabolites emerge when molds shift from growth to spore production, often triggered by environmental stress or nutrient imbalances in plants. Found in cereals, grasses, oilseeds, fruits, nuts, and more, mycotoxins affect virtually all agricultural commodities.
How They Form: Molds thrive with carbon, nitrogen, water, and oxygen, infecting plants pre-harvest (via insects, wind, or stress) or post-harvest in stored feed like corn, soy meal, or silage.The result? A complex mix of toxins in the total mixed ration (TMR) your animals consume.
Why It Matters: The combination and concentration of mycotoxins determine the severity of their impact on livestock.
What Do Mycotoxins Do?
Mycotoxins harm animals at multiple levels, reducing productivity and profitability:
- Biochemical Level: They bind to or disrupt essential molecules like DNA, RNA, and proteins.
- Systems Level: They impair reproduction, digestion, nutrient absorption, metabolism, and overall health.
- Whole Animal Level: They lower herd or flock performance, health, and product quality (meat, milk, eggs), while increasing costs and losses.
The economic toll—through reduced productivity, immunosuppression, organ damage, and reproductive issues—far outweighs losses from acute poisoning.
Biochemical Level
They bind to or disrupt essential molecules like DNA, RNA, and proteins.
Systems Level: They impair reproduction, digestion, nutrient absorption, metabolism, and overall health.
Whole Animal Level:
They lower herd or flock performance, health, and product quality (meat, milk, eggs), while increasing costs and losses.
Effects on Growth
Mycotoxins can reduce the growth rate of young animals
Mycotoxins can disrupt nutrient digestion, absorption, and metabolism
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