British poultry science vol:38 issue:4 pages:429-431
1. The role of both insulin-like growth factors (IGF)-I and -II in regulation of growth hormone GH) secretion in chickens was examined. Seven-week-old male broiler chickens were injected intravenously (iv) with recombinant human IGF-I or IGF-II or specific anti-IGF-I or IGF-II immunoglobulins. Blood samples were taken before treatment and at 15 min intervals afterwards for 1 h. Controls received saline iv.