68: Why Multiple Mycotoxins in the TMR Increase Dairy Herd Risk

68: Why Multiple Mycotoxins in the TMR Increase Dairy Herd Risk

From Ruminate This | Agrarian Solutions by Scott Zehr

March 18, 2026 · 21 min · Season 2 · Episode 68

About this episode

This episode discusses the multiplying negative effects of multiple mycotoxins in TMR on dairy cows.

Multiple mycotoxins in the TMR do not just add up. They multiply damage in dairy cows. In this episode of Ruminate This, Scott Zehr and Vice President of Nutrition Dr. Larry Roth connect their previous episode discussions and explain why multiple mycotoxins in the TMR create a multiplying negative effect in dairy cows rather than a simple additive one. They discuss how common toxins such as DON, fumonisin, T-2/HT-2, and zearalenone each remove a critical layer of biological protection. Even w...

People in this episode

Host: Scott Zehr

Guest: Dr. Larry Roth

Topics covered

  • mycotoxins
  • dairy cows
  • nutrition
  • animal health
  • feed management

Keywords

  • mycotoxins
  • TMR
  • dairy herd
  • nutrition
  • animal health
  • toxins
  • biological protection

Mentioned in this episode

Products: TMR, DON, fumonisin, T-2/HT-2, zearalenone

More episodes of Ruminate This | Agrarian Solutions

Explore listener stats, chart rankings, contacts and more on the Ruminate This | Agrarian Solutions podcast page.