CİHAN KAÇAR, NADİDE NABİL KAMİLOĞLU, Kutluay GÜRBULAK, ŞÜKRÜ METİN PANCARCI, ÖRSAN GÜNGÖR, Kazım GÜVENÇ, Erdal SABAN

Üreme mevsimi dışındaki Tuj ırkı koyunlarda Testosteron antikoru ile B-karoten ve E vitamini uygulamalarının çoğul gebelik ve MDA (Malondialdehit) üzerine etkisi

Özet Bu çalışmada üreme mevsimi dışında bulunan Tuj ırkı koyunlarda Testosteron antikoru, (3-karoten ve E vitamini uygulamaları ile çoğul gebeliğin artırılması ve MDA (Maiondialdehit) düzeylerinin azaltılması amaçlanmıştır. Testosteron antikoru kastre edilmiş Tuj ırkı bir koçtan elde edildi. Çalışma 29 adet koyunda 3 grup halinde yapıldı. Grup l'deki koyunlara (n=10) vaginal süngerlerin uygulanmasından 1 hafta önce testosteron antikoru, (3-karoten ve E vitamini uygulandı. Grup ll'deki (n=9) koyunlara testosteron antikoru uygulandı. Grup lll'deki (n=10) koyunlar ise kontrol grubunu oluşturdu. Koyunlardaki östrus oranları; I. Gruptaki koyunlarda %90.0, II. Gruptaki koyunlarda %88.9 ve III. Gruptaki koyunlarda %100.0 olarak belirlendi. Gebelik oranları ise Grup I, II ve lll'de sırasıyla %40.0, %33.3 ve %50.0 oranında belirlendi. Grup I ve Grup ll'deki koyunlarda çoğul gebelik elde edilirken kontrol grubu koyunlarda çoğul gebelik elde edilmedi. Gebe ve gebe olmayan tüm koyunlarda vaginal sünger uygulamasından 28 gün sonra plazma MDA düzeylerinin arttığı belirlendi ancak gruplar arasında istatistiksel olarak önemli bir fark tespit edilmedi (P>0.05). Sonuç olarak testosteron antikoru, (3-karoten ve E vitamini uygulamasının çoğul gebelik görülme oranında artışa neden olduğu görüldü.

Anahtar Kelimeler:

Tuj, antikor, beta-karoten, gebelik oranları, koyun, koyun ırkları, eş zamanlama, testosteron, E vitamini

The effect of administration of Testosterone antibody, B-carotene and vitamin E on multiple pregnancy and MDA (Malondialdehyde) in Tuj breed sheep in non-breeding season

Summary In this study, we aimed an increase in multiple pregnancy and a decrease in MDA (Malondialdehyde) levels in Tuj breed sheep which are in non-breeding season by administration of testosterone antibody, (3-carotene and vitamin E. Testosterone antibody was obtained from a castrated Tuj ram following injections of testosterone. Experiment was carried out in 29 sheep divided into three groups. Group I (n=10) was administered testosterone antibody, P- carotene and vitamin E one week prior to placement of vaginal sponges. Group II (n=9) was administered testosterone antibody alone and Group III (n=10) was control group. Oestrus rates were detected as 90%, 88.9% and 100% in Groups I,II and III, respectively. Pregnancy rates were found 40%, 33.3% and 50% in Groups I,II and III, respectively. Multiple pregnancy was seen in Groups I and II but not in control group. MDA levels were increased in all sheep regardless of pregnancy on day 28 after vaginal sponge application, but no significant difference was detected between the gropus((P>0.05)..lt was concluded that administration of testosterone antibody and p-carotene caused an increase in multiple pregnancy rate in sheep.

Keywords:

Tuj, antibodies, beta-carotene, pregnancy rate, sheep, sheep breeds, synchronization, testosterone, vitamin E,

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