65: Beyond Fertility | Zearalenone’s Impact on Herd Health

65: Beyond Fertility | Zearalenone’s Impact on Herd Health

From Ruminate This | Agrarian Solutions by Scott Zehr

January 26, 2026 · 29 min · Season 2 · Episode 65

About this episode

This episode discusses the impact of zearalenone on herd health and fertility, featuring insights from Dr. Larry Roth.

Zeralanone is often labeled a reproductive mycotoxin, but that barely scratches the surface. This reproductive mycotoxin, is an estrogen imposter that disrupts fertility, immunity, liver function, and overall metabolic stability. In this episode, Dr. Larry Roth explains why zearalenone is fat-soluble, how it can be stored and released during post-calving fat mobilization, and why its metabolites may be even more damaging than the parent toxin. Learn how it contributes to cystic ovaries, early...

People in this episode

Host: Scott Zehr

Guest: Dr. Larry Roth

Topics covered

  • mycotoxins
  • fertility
  • herd health
  • metabolic stability
  • reproductive health

Keywords

  • zearalenone
  • reproductive mycotoxin
  • cystic ovaries
  • immunity
  • liver function
  • fat-soluble

Mentioned in this episode

Products: Zearalenone

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