2024 Mycotoxin Contamination Trends: DON, Zearalenone, and More

In this episode of Ruminate This, host Scott Zehr interviews Dr. Larry Roth to address the growing problem of mycotoxin contamination in dairy cattle across the U.S. Dr. Roth shares alarming 2024 corn silage data from the Northeast, Great Lakes, and East Coast, highlighting the presence of multiple mycotoxins at concerning levels. He also discusses the increasing detection of DON (vomitoxin) and Zearalenone, typically “cool weather” toxins, in southern states, as well as the mycotoxin risks in the western and southwestern regions.
The episode provides insights into the “Big 5” mycotoxins-DON, Zearalenone, Aflatoxin, T2/HT2, and Fumonisin-which are known to negatively affect dairy cattle’s production, reproduction, and immune function. Tune in to discover strategies for improving dairy herd health, boosting milk production, and mitigating mycotoxin risks.
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