Yıl: 2009 Cilt: 15 Sayı: 1 Sayfa Aralığı: 87 - 94 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows

Öz:
Çalışmada döl tutmayan ineklerde β-karotenin ovaryum fonksiyonları ve gebelik oranı üzerine etkisi araştırıldı. Toplam 26 baş Holstein inek, kontrol (n=11) ve karoten gruplarına (n=15) ayrıldı. İnekler tam yem (kuru maddede %39.80 nötral deterjan fiber ve %16.20 ham protein) rasyon ile beslendi. Karoten grubuna ilk GnRH enjeksiyonu ile aynı zamanda tek doz (1 mg/kg) β-karoten kas içi uygulandı. Prostaglandin enjeksiyon zamanında serum progesteron (P<0.01), β-karoten (P<0.05) ve vitamin A (P<0.01) düzeyleri ile birlikte en büyük follikül (P<0.05) ve korpus luteum çapı (P<0.01) karoten grubunda daha yüksek belirlendi. İkinci GnRH enjeksiyon zamanında da en büyük follikül çapı (P<0.01) ile serum östradiol (P<0.01), β-karoten (P<0.01), vitamin A (P<0.01) düzeyleri karoten grubunda daha yüksek gözlendi. Tohumlama zamanında serum östradiol (P<0.01) ve β-karoten (P<0.05) düzeyinin karoten grubunda yüksek olduğu tespit edildi. Grupların ilk ve 2.GnRH enjeksiyonları sonrasında ovulasyon oranları benzer bulundu. Gebelik oranı kontrol grubunda %27.2, karoten grubunda %33.3 olacak şekilde belirlendi, ancak farkın istatistiki önemde olmadığı gözlendi. Sonuç olarak, β-karotenin döl tutmayan ineklerde folliküllerin çapını etkileyerek plazma östrojen düzeyini artırdığı, korpus luteum çapında artış oluşturarak plazma progesteron düzeyini yükselttiği, ancak ovulasyon ve gebelik oranına etkisinin olmadığı kanısına varıldı.
Anahtar Kelime: rasyon östradiol yumurtalıklar beta-karoten inek gebelik oranları eş zamanlama folikül GnRH diyet A vitamini retinol Alacalı Sığır ovulasyon

Konular: Veterinerlik

Döl tutmayan ineklerde B-karotenin ovaryum fonksiyonları ve ovsynch başarısına etkisi

Öz:
This study was carried out to determine the effect of &#946;-carotene on ovarian function and pregnancy rates in repeat breeder cows. Twenty-six repeat breeder Holstein cows were randomly assigned into control (n=11) and carotene (n=15) groups. Cows were fed with diet in the form of total mixed ration (39.80% neutral detergent fiber and 16.20% crude protein of dry matter). Treatment cows received an intramuscular injection of &#946;-carotene (1 mg/kg) simultaneously with the first GnRH injection. Largest follicle (P<0.05) and corpus luteum diameters (P<0.01) together with serum progesterone (P<0.01), &#946;-carotene (P<0.05) and vitamin A (P<0.01) levels were all significantly higher in the carotene group on the day of PGF2&#945; injection. At the second GnRH injection, largest follicle diameter (P<0.01), serum estradiol (P<0.01), &#946;-carotene (P<0.01), and vitamin A (P<0.01) levels were again higher in the carotene group. Serum estradiol (P<0.01) and &#946;-carotene (P<0.05) levels were still significantly higher in the carotene group at the time of AI. Ovulation response did not differ between groups after both first and second GnRH injection. The pregnancy rate was 27.2% in the control group, and 33.3% in the carotene group but this difference was not statistically significant. In conclusion, it was suggested that &#946;-carotene did not have any significant effects on ovulation or pregnancy rates in ovsynch-treated repeat breeder cows; however it increased serum estradiol and progesterone levels due to increased follicle size and corpus luteum functionality, respectively.
Anahtar Kelime: vitamin A retinol Holstein-Friesian ovulation ration estradiol ovaries beta-carotene cows pregnancy rate synchronization follicles GnRH diet

Konular: Veterinerlik
Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA ÇELİK H, AVCI G, AYDIN I, BÜLBÜL A, BÜLBÜL T (2009). Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. , 87 - 94.
Chicago ÇELİK Hacı Ahmet,AVCI Gülcan,AYDIN Ibrahim,BÜLBÜL Aziz,BÜLBÜL Tuğba Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. (2009): 87 - 94.
MLA ÇELİK Hacı Ahmet,AVCI Gülcan,AYDIN Ibrahim,BÜLBÜL Aziz,BÜLBÜL Tuğba Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. , 2009, ss.87 - 94.
AMA ÇELİK H,AVCI G,AYDIN I,BÜLBÜL A,BÜLBÜL T Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. . 2009; 87 - 94.
Vancouver ÇELİK H,AVCI G,AYDIN I,BÜLBÜL A,BÜLBÜL T Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. . 2009; 87 - 94.
IEEE ÇELİK H,AVCI G,AYDIN I,BÜLBÜL A,BÜLBÜL T "Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows." , ss.87 - 94, 2009.
ISNAD ÇELİK, Hacı Ahmet vd. "Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows". (2009), 87-94.
APA ÇELİK H, AVCI G, AYDIN I, BÜLBÜL A, BÜLBÜL T (2009). Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 15(1), 87 - 94.
Chicago ÇELİK Hacı Ahmet,AVCI Gülcan,AYDIN Ibrahim,BÜLBÜL Aziz,BÜLBÜL Tuğba Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. Kafkas Üniversitesi Veteriner Fakültesi Dergisi 15, no.1 (2009): 87 - 94.
MLA ÇELİK Hacı Ahmet,AVCI Gülcan,AYDIN Ibrahim,BÜLBÜL Aziz,BÜLBÜL Tuğba Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. Kafkas Üniversitesi Veteriner Fakültesi Dergisi, vol.15, no.1, 2009, ss.87 - 94.
AMA ÇELİK H,AVCI G,AYDIN I,BÜLBÜL A,BÜLBÜL T Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. Kafkas Üniversitesi Veteriner Fakültesi Dergisi. 2009; 15(1): 87 - 94.
Vancouver ÇELİK H,AVCI G,AYDIN I,BÜLBÜL A,BÜLBÜL T Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows. Kafkas Üniversitesi Veteriner Fakültesi Dergisi. 2009; 15(1): 87 - 94.
IEEE ÇELİK H,AVCI G,AYDIN I,BÜLBÜL A,BÜLBÜL T "Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows." Kafkas Üniversitesi Veteriner Fakültesi Dergisi, 15, ss.87 - 94, 2009.
ISNAD ÇELİK, Hacı Ahmet vd. "Effect of B - carotene on ovarium functions and ovsynch success in repeat breeder cows". Kafkas Üniversitesi Veteriner Fakültesi Dergisi 15/1 (2009), 87-94.