The effects of selection and season on clutch traits and egg production in Japanese Quails (Coturnix coturnix Japonica) of different lines
Bu çalısmada, 11 generasyon seleksiyon uygulanmıs Japon bıldırcınlarında (Coturnix coturnix japonica) seleksiyon ve mevsimin eseysel olgunluk yası, klaç özelliklerine ve yumurta verimine olan etkilerinin belirlenmesi amaçlanmıstır. Hayvan materyali olarak besinci hafta canlı agırlıgına göre yüksek canlı agırlık ve düsük canlı agırlık hatları ile yüz yirmi günlük yumurta verimi yönünde seleksiyon uygulanan yumurtacı hat ile kontrol hattı kullanılmıstır. lk yumurta agırlıgı, eseysel olgunluk yası, eseysel olgunluk agırlıgı, toplam yumurta sayısı, toplam yumurta agırlıgı, klaç uzunlugu ve sayısı ile klaçlar arası süre ve sayısı saptanmıstır. Yumurta verimi 12 hafta boyunca günlük olarak kaydedilmistir. Mevsimin toplam yumurta sayısı, eseysel olgunluk yası, klaç uzunlugu ve klaçlar arası süreye etkisi önemli bulunmustur. Seleksiyon yüksek canlı agırlık ve düsük canlı agırlık hatlarında eseysel olgunluk yasının gecikmesine neden olmustur. Ayrıca, yüksek canlı agırlık yönünde yapılan seleksiyon eseysel olgunluk agırlıgını arttırmıstır. Mevsimin ilk yumurta agırlıgı, toplam yumurta agırlıgı, eseysel olgunluk agırlıgı, klaç uzunlugu ile klaçlar arası süre sayısına etkisi önemsiz bulunmustur. lk yumurta agırlıgı, eseysel olgunluk yası, eseysel olgunluk agırlıgı, toplam yumurta sayısı, toplam yumurta agırlıgı, klaç uzunlugu ve sayısı ile klaçlar arası süre ve sayısı arasında önemli iliskiler saptanmıstır.
Seleksiyon ve mevsimin farklı Japon bıldırcını (Coturnix coturnix japonica) hatlarında klaç özelliklerine ve yumurta verimine etkileri
The aim of this research was to investigate the effects of selection and season on age at sexual maturity, clutch traits, and egg production in 11 generations selected Japanese quails (Coturnix coturnix japonica) of different lines. The material used in this research was selected for 11 generations from high (HL) or low (LL) body weight Japanese quail lines according to 5-week body weights and their random bred control line (C) and layer line (L) for 120 d egg production, which were bred in the Akdeniz University, Faculty of Agriculture in Turkey. First egg weight, age at sexual maturity, body weight at sexual maturity, total egg number, total egg weight, clutch length, clutch number, pause length and pause number were determined. Egg production was recorded daily throughout 12 weeks. The season had a significant effect on total egg number, age at sexual maturity, clutch size and pause size. Selection for increased or decreased 5-week body weights in Japanese quail resulted in a delay in age at sexual maturity. Also, selection for increased 5-week body weight increased body weight at sexual maturity. The season had no significant effect on first egg weight, total egg weight, body weight at sexual maturity, clutch number and pause number. There were significant relationships among the first egg weight, age at sexual maturity, body weight at sexual maturity, total egg number, total egg weight, clutch length, clutch number, pause length and pause number.
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- ISSN: 1304-9984
- Yayın Aralığı: Yılda 2 Sayı
- Yayıncı: Süleyman Demirel Üniversitesi Ziraat Fakültesi