Ruminate This | Agrarian Solutions
Ruminate This by Agrarian Solutions is your trusted source for insights on safeguarding ruminant health for a lifetime. From tackling the hidden threats of mycotoxins to optimizing gut health, immune function, and nutrition, we break down the biggest challenges impacting animal performance and producer profitability. But it’s not just about the science—we also explore workplace culture, leadership, and people development, because a strong team drives success. Tune in the second and fourth Monday for insights, research, and real-world strategies to keep your herd and team thriving.
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Ruminate This | Agrarian Solutions
69: Cow Reproduction Is Improving… So Why Aren’t Heifers?
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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 why heifer diets are often among the least-tested rations on the farm, how multiple mycotoxins can affect immune function and hormone signaling, and why young animals may actually have less margin for error than many assume.
If heifer fertility has plateaued, maybe it isn’t a protocol problem at all, maybe it’s a fundamentals problem.
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