Peter Holt PhDPeter Holt is a retired research scientist from the USDA Agricultural Research Service. He is presently a consultant, specializing in poultry immunology.From the AuthorBroilers & TurkeysLook to science to set welfare policy for organic hensDuring my time with ARS, I conducted a wide range of research on egg-laying hens, primarily examining the effect of stress on immunity and disease susceptibility in these birds.Page 1 of 1
