Endocrine Abstracts

This study was conduced to determine effects of blood corticosterone (CS) increasing on some physiological parameters and performance of boiler chickens. To avoid treatment of birds with various forms of stress with administration of CS a model was developed to study of mimicked stress in chickens. Total 180 1-day old chicks of the cobb-500 strain from male sex were placed in 12 pens. CS at four levels (0, 10, 20, and 30 mgl/1) in drinking water was provided ad libitum ...