Studies on the Use of Extra-Pituitary Gonadotropins in Genital Disorders in Bitch

摘要

Normal 0 MicrosoftInternetExplorer4 Infertility in bitch is characterized by a variety of clinical manifestations depending on the disorders of reproductive system. Adjusting of ovarian hormonal activity is achieved by direct or indirect interconnection with other neuro - endocrine structures of hypothalamic- pituitary system . In the present study we aimed , based on the administration of pregnant mare's serum gonadotropin (PMSG) and human chorionic gonadotropin ( hCG ) combination , the induction of ovulatory oestrus in 10 bitches diagnosed with anoestrus . There were applied 2 therapeutic protocols . Therapeutic protocol no. 1 consisted of the administration for 9 consecutive days of 20 IU/Kg/day of PMSG, followed by the injection of an ovulatory dose of hCG – 500 IU/animal in the 10 th day . Therapeutic protocol no. 2 consisted of the administration for 5 consecutive days of 20 IU/Kg/day of PMSG, followed by the injection of an ovulatory dose of hCG – 500 IU/animal in the 6 th day. The results obtained in the two protocols were different . Rates of ovulation in bitches in the first protocol was higher compared to the ones of the second protocol .