The Dairy Health Blackbelt Podcast - Dr. Theresa Casey: Circadian Clocks in Cows | Ep. 4
Jul 09, 2025In this special episode of The Dairy Health Blackbelt Podcast, celebrating National Cow Appreciation Day, Dr. Theresa Casey from Purdue University explores how circadian rhythms influence dairy cow physiology. She discusses how disrupted light cycles impact glucose production, reproduction, and metabolic efficiency in dairy cattle. The episode highlights low-cost, practical steps to enhance cow well-being and productivity by aligning dairy management with natural rhythms. Listen now on all major platforms!
What will you learn:
- Circadian rhythm basics
- Light-dark cycle effects
- Chronic jetlag model
- Impacts on glucose balance
- Practical dairy applications
Meet the guest:
Dr. Theresa Casey received her B.S. from the University of Connecticut and her M.S. and Ph.D. in Animal Science from the University of Vermont. She is a Research Associate Professor at Purdue University, where she studies mammary gland development, lactation physiology, and circadian rhythms in dairy cows.
Connect with our guest on Social Media: LinkedIn