Reproduction Abstracts

The present study aimed to compare between the effect of hCG and GnRH analogue treatment post laparoscopic insemination on reproductive performance of ewes. Oestrus synchronization was performed for 120 ewes (Najdi=60 and Naeimi=60) using intra-vaginal progesterone sponge and equine chorionic gonadotrophin (eCG). Semen was collected from six proven fertile rams by artificial vagina. Ewes were laparoscopic inseminated 48–50 h after sponge withdrawal,and divided randomly in...