The Peter Byck Show Fred Provenza: Healthy Soils, Healthy Animals, Healthy People
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Feb 10, 2026 
Fred Provenza, author and researcher on animal foraging and links between soil, plants, animals, and human health. He discusses animals’ dietary wisdom and how choice affects welfare. They explore soil health shaping food quality and human wellbeing. Conversation covers regenerative grazing, nature’s mental-health benefits, and practical steps like native plants and small-scale gardens.
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Animals’ Innate Dietary Wisdom
- Fred Provenza observed that many animals retain an innate wisdom to balance diets and self-medicate when given choices.
- He found domestic livestock may still possess this ability and it can be studied and supported.
Goats Using Woodrat Houses For Nitrogen
- Fred described goats ripping into woodrat houses to access urine-soaked vegetation as a nitrogen supplement.
- That discovery explained why those goats lost less weight over winter than others.
Choice Lowers Intake And Costs
- When given components separately, individual animals selected unique diets that met their needs.
- Those animals ate less overall and cost less to finish than animals on fixed mixed rations.
