Reproduction Abstracts

Introduction: Clomiphene citrate belongs to group of drugs known as selective estrogen receptor modulators. In this study, an attempt was made to induce ovulation in crossbred prepubertal heifers by the use of clomiphene citrate and hCG. It was hypothesized that clomiphene citrate, being antiestrogen, would remove negative feedback effect of estrogen on the release of pituitary gonadotropins. Elevated gonadotropins would support follicular growth to a point where hCG would ind...