PSA--Physiology.

Presents abstracts of several studies on the physiology of poultry animals. "Differential Expression of Mitochondrial and Extra-Mitochondrial Proteins in Heart of Low and High Feed Efficient Broilers Within a Single Male Line," by N. Tinsely et al; "Aorta Pulse Wave Velocity Is Reduced by Intravenous Injections of L-Arginine in Female, But Not Male, White Leghorn Chickens," by C. A. Ruiz-Feria and H. Nishimura; "Pulmonary and Systemic Hemodynamic Responses to Prostacyclin in Broilers," by R. F. Wideman and M. E. Chapman.