Peso vivo final, ganho de peso, características de carcaça e concentrações plasmáticas de IGF-I e hormônios tireoideanos de bezerros mestiços Angus-Nelore recebendo somatotropina bovina recombinante (rbST) até a desmama

EFFECTS OF RECOMBINANT BOVINE SOMATOTROPIN (rBST) ON BIOCHEMICAL PARAMETERS IN SHEEPS. S. Memon, B.A. Sheikh, M.A. Memon, A.B. Kachiwal and M.A. Arain Sindh Agriculture University, Tandojam The effect of recombinant bovine somatotropin (rbST) on blood chemistry was evaluated in sheep of Kachhi breed. A total of 20 Kachhi ewes in 2nd lactation were divided into four groups of 5 animals each. Group-A was kept as control and was fed a balance ration. Group-B was given rbST in addition to balanced ration. Group-C was given balanced ration with 10% additional energy allowance and group-D was subjected to 10% additional energy allowance with rbST. Group B, C and D during treatment period exhibited the significant increase (P