Koyunlarda farklı zamanlarda uygulanan gonadotropin salgılayıcı hormon'un (GnRH) döl verimine etkisi üzerinde bir araştırma
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Date
1993
Authors
Deligözoğlu, Fazıl
Journal Title
Journal ISSN
Volume Title
Publisher
Uludağ Üniversitesi
Abstract
Bu araştırmada koyunlarda GnRH'nın (Gonadotropin salgılayıcı hormon) döl verimine etkisi incelendi. 30 koyuna 12 gün ara ile 7,5 mg Luprostiol (PGF2a) enjekte edildi. Koyunların hepsi östrus gösterdi ve tohuml andı. Tohumlama sırasında 3 gruba ayrılan koyunlara, tohumlamadan 6 saat önce (Gr: 1), tohumlama sırasında (Gr: 2) ve tohumlamadan 6 saat sonra (Gr: 3) 25 mcg Gonadorelin (GnRH) enjekte edildi. Koyunların tohumlanmasında 0.25 cm3'te 200x10 6 motil spermatozoon bulunacak biçimde Glikoz-Fosfat sulandırıcısı ile sulandırılan taze sperma kullanıldı. 40 gün içinde geri dönmeyenler belirlendi ve gebelik oranı 3 grupta sırasıyla % 80, 30, 70 olarak bulundu.
In this investigation, the effects of GnRH (Gonadotropin Releasing Hormone) on the fertility of ewes were studied. Thirty ewes were treated with 7.5 mg Luprostiol (PGF 2a) twice at twelve days intervals. All ewes showed oestrus and divided into three groups. The first, the second and the third groups were treated with 25 mcg Gonadorelin, 6 hours before (Gr: 1), during (Gr: 2) and six hours after (Gr: 3) the inseminations respectively. Fresh semen, diluted with Glucose-Phosphate diluent (200x10 6 motile spermatozoa/0.25 cm3), was used for inseminations. Ewes were inseminated cervically. Ewes not shown oestrus signs fourty days after inseminations were recorded and the conception rates were found as % 80, 30 and 70 for three groups respectively.
In this investigation, the effects of GnRH (Gonadotropin Releasing Hormone) on the fertility of ewes were studied. Thirty ewes were treated with 7.5 mg Luprostiol (PGF 2a) twice at twelve days intervals. All ewes showed oestrus and divided into three groups. The first, the second and the third groups were treated with 25 mcg Gonadorelin, 6 hours before (Gr: 1), during (Gr: 2) and six hours after (Gr: 3) the inseminations respectively. Fresh semen, diluted with Glucose-Phosphate diluent (200x10 6 motile spermatozoa/0.25 cm3), was used for inseminations. Ewes were inseminated cervically. Ewes not shown oestrus signs fourty days after inseminations were recorded and the conception rates were found as % 80, 30 and 70 for three groups respectively.
Description
Keywords
Koyun, Gonadotropin salgılayıcı hormon(GnRH), Döl verimi, GnRH, Fertility, Ewes, Synchronization
Citation
Soylu, M. K. vd. (1993). "Koyunlarda farklı zamanlarda uygulanan gonadotropin salgılayıcı hormon'un (GnRH) döl verimine etkisi üzerinde bir araştırma". Uludağ Üniversitesi Veteriner Fakültesi Dergisi, 12(1), 81-88.