Science Past from the issue of October 10, 1959

Reserpine Tranquilizes Chickens and Turkeys Calmer birds in the hen house are predicted with the development of a tranquilizer for chickens. A new product containing reserpine, a drug used to control high blood pressure and other human ills, has been developed…. Added to the chickens’ feed in very low concentrations it is said to help the chicken withstand stress.