AoR 186: Doug Tolleson on Grazing Nutrition and a Century of Data

Podcast: The Art of Range Podcast · Tip Hudson

Opublikowano: 2026-07-30

Doug Tolleson is the longtime Chief Scientist at the Texas A&M AgriLife Sonora Research Station and recently retired director of the Grazing Animal Nutrition (GAN) Lab. In this episode, Tip visits with Doug about a career spent connecting animal nutrition to grazing management—from fecal near-infrared spectroscopy that lets managers "read" diet quality of rangeland forage, to prenatal programming that affects animals all the way to finished meat. Doug reflects on the enduring principles beneath every buzzword—holistic, sustainable, regenerative—and on managing for a moving target in a climate of rising variability, where six years in ten are dry an...