The Beef Podcast Show Dr. Blaine Ellison: 21-Day Cortisol Surge | Ep. 159
In this episode of The Beef Podcast Show, Dr. Blaine Ellison from Applied Biotechnologies explains the origin of the 21-day cortisol surge and why it remains a major challenge for beef cattle health and performance. He breaks down how this stress response disrupts glucose use, masks early illness, and drives setbacks for high-risk cattle. Dr. Ellison also shares insights from five years of research that led to a nutritional tool designed to neutralize this surge and support meaningful paybacks for producers. Listen now on all major platforms.
"Neutralizing the cortisol surge allows cattle to maintain positive performance instead of losing ground during the first weeks."
Meet the guest: Dr. Blaine Ellison is president of Applied Biotechnologies and has served the cattle industry as a veterinarian for 45 years. His background spans dairy and beef consulting, technical service, and decades of work with cattle metabolism and stress physiology. His recent focus centers on understanding and managing the 21-day cortisol surge in high-risk beef and dairy cattle.
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What you will learn:
- (00:00) Highlight
- (01:49) Introduction
- (04:44) Cortisol surge basics
- (12:19) Glucose use shift
- (16:54) Managing stress events
- (22:49) QFA feeding approach
- (32:39) Payback outcomes
- (39:31) Final three questions
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- Virbac
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