Hormones connect the brain to the barn. In this episode, Andy Vance and Dr. Tom Porter explore how endocrine signals shape growth, stress response, and reproduction, and why new single-cell tools are rewriting parts of the playbook. They discuss how the pituitary orchestrates development, how heat stress and management choices alter hormonal balance, and how better endocrine understanding can sharpen nutrition and welfare decisions.

The conversation stays grounded in application. Dr. Porter explains how to translate complex datasets into simple actions, such as timing interventions, adjusting lighting programs, or pairing diets with a flock’s developmental stage. For producers and students alike, it is a guided tour of the endocrine system with a clear map to practical outcomes.

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