The Dairy Podcast Show · Episode 148
EP 148Guest: Dr. Peter Surai — Selenium and antioxidant nutrition researcher
In this episode of The Dairy Podcast Show, Dr. Peter Surai, a professor of nutritional biochemistry, explores the science behind selenium’s impact on immunity, reproduction, and stress resilience in dairy cattle. He discusses different selenium sources, bioavailability challenges, hydroxy-selenomethionine benefits, and strategies for optimizing supplementation.
What you’ll learn
- Organic vs. inorganic
- Selenium’s role in dairy health
- Stress and free radicals
- Selenium deficiency impact
- Organic vs. inorganic selenium
- Optimizing selenium supplementation
This episode is part of the Selenium, Micronutrients & Immune Function Knowledge Trail. See all Knowledge Trails →
Adisseo solutions discussed in this topic

Selisseo®
100% hydroxy-selenomethionine (OH-SeMet), a pure organic selenium source.
Builds selenium reserves that support antioxidant defense, immunity and milk quality through calving, heat stress and other challenges.