69: Cow Reproduction Is Improving… So Why Aren’t Heifers?

Dairy cow reproduction has improved significantly over the past decade, but virgin heifer reproduction has remained relatively flat. Why? In this episode of Ruminate This, Scott Zehr explores whether mycotoxins in virgin heifer TMRs could be quietly influencing heifer conception rates and dairy fertility. While dairies have made major advances in reproductive protocols, genetics, and technology, heifers may represent one of the biggest remaining opportunities for improvement. Scott explores w...