Author:
Boland MP,Murray JD,Hoskinson RM,Hazelton IG,Sulton R,Nancarrow CD
Abstract
The effects of active immunization against oestradiol-17J3 on the ovarian response to pregnant mare serum gonadotrophin (PMSG) was investigated in Merino ewes. Immunized (79) and control (41) ewes were synchronized with intravaginal sponges, given either 750 or 1500 i.u. PMSG and then mated to rams or inseminated laparoscopically with fresh diluted semen. All control ewes mated naturally exhibited oestrus and 40 out of 41 control ewes ovulated. The ovulation rate was higher in the controls receiving 1500 i.u. PMSG than in those ewes which received 750 i.u. PMSG (10'2 v. 3'3).
Subject
Developmental Biology,Endocrinology,Genetics,General Materials Science,Molecular Biology,Animal Science and Zoology,Reproductive Medicine,General Medicine,Biotechnology
Cited by
8 articles.
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