Effect of Controlled Internal Drug Release Device Treatment Duration and eCG Dose on Reproductive Performance of Seasonally Anestrous Fat-tailed Iranian Ewes

摘要

The objectives of this study were to determine the effects of Controlled Internal Drug Release (CIDR) device treatment duration and equine chorionic gonadotropin (eCG) dose on induction of synchronized fertile estrus and pregnancy, lambing and twinning ra