Journal of Veterinary Medical Science
Serum Progesterone and Estradiol-17 β Concentrations, and Lapaloscopic Observations of the Ovary in the Cheetah (Acinonyx jubatus) with Pregnant Mare Serum Gonadotropin and Human Chorionic Gonadotropin Treatments
Osamu DOIHiroshi KUSUNOKITetsuya SATOShigehisa KAWAKAMIToshio FUKUOKAKazuo OKUDAOsamu ITOEriko SAITOTeruaki HAYASHITakashi HASEMichiharu KAMIYOSHI
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Volume 63 (2001) Issue 12 Pages 1361-1364

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Abstract

In 3 adult female cheetahs, induced-superovulation treatment was conducted, by means of 200 IU of pregnant mare serum gonadotropin (PMSG) and 100 IU of human chorionic gonadotropin (hCG) 80 hr after PMSG. The administration of PMSG created a sharp increase in the estradiol-17β concentration, resulting in 232 pg/ml 8 hr later in one specimen out of three. The hCG administration showed an increase in the progesterone concentration of 2.29 ng/ml 46 hr later. In addition, after direct observation of the ovary surface by laparoscopy, 5 follicles in the right ovary over 2 mm in diameter, and 7 corpora lutea (5 in the right ovary and 2 in the left) were found. It is assumed that ovulation can be induced with hCG after 80 hr on PMSG during a cheetah's diestrus or proestrus.

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