Research Update: Liliana Rivas and Cow Efficiency

Research Update: Liliana Rivas and Cow Efficiency

February 6, 2026 · 22 min

About this episode

Liliana Rivas discusses her research on leaky guts in yearling calves and the implications for cow efficiency.

On this week’s BCI Cattle Chat episode, graduate student Liliana Rivas updates us on her research about leaky guts in yearling calves. She conducted this by feeding the calves a restricted diet and measuring indigestible sugars in the bloodstream over 36 hours. The experts also discussed cow efficiency, measured as pounds of calf weaned per pound of feed consumed per cow exposed. A key finding was that the nutrition models in the study underestimated the extent to which energy restriction harms reproduction. 3:10 Research Update  12:27 Cow Efficiency  For more on BCI Cattle Chat, follow us on X at @ksubci , Facebook , and Instagram at @ksubci . Check out our website, ksubci.org . If you have any comments/questions/topic ideas, please send them to bci@ksu.edu. You can also email us to sign up for our weekly news blast! Don’t forget, if you enjoy the show, please go give us a rating!

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