Abstract
The aim of this project is to evaluate the effects of administering 325 mg of recombinant bovine somatotropin (bST; Posilac®) on the quality and quantity of oocyte cumulus complex (COCs) recovered by follicular aspiration and on the efficiency of in vitro embryo production (IVEP) in Holstein heifers. The central hypothesis is that the treatment with bST at the beginning of follicular grow…