SEZAİ ALKAN, KEMAL KARABAĞ, AŞKIN GALİÇ, TAKİ KARSLI, MURAT SONER BALCIOĞLU

Effects of selection for body weight and egg production on egg quality traits in Japanese quails (Coturnix coturnix japonica) of different lines and relationships between these traits

Bu çalışma, 11 generasyon boyunca seleksiyon uygulanmış Japon bıldırcınlarında (Coturnix coturnix japonica) seleksiyonun yumurta ağırlığı, kabuk kalınlığı, kabuk ağırlığı, şekil indeksi, albumen indeksi, sarı indeksi ve Haugh Birimi üzerine olan etkilerinin belirlenmesi amacıyla yapılmıştır. Materyal olarak yüksek canlı ağırlık, düşük canlı ağırlık (5. hafta canlı ağırlığına göre) ve yumurta verimi (120 günlük) yönünde seleksiyon uygulanan hatlar ile kontrol hattı kullanılmıştır. Bütün yumurta özellikleri bakımından gruplar arasında önemli farklılıklar bulunmuştur (P

Anahtar Kelimeler:

Japon bıldırcını, seleksiyon, yumurta albumini, yumurta üretimi, yumurta kalitesi, yumurta kabuğu kalınlığı, yumurta ağırlığı, hat farklılıkları, hatlar, canlı ağırlık, kümes hayvanları

Canlı ağırlık ve yumurta verimine göre yapılan seleksiyonun farklı hatlardaki Japon bıldırcınlarının (Coturnix coturnix japonica) yumurta kalitesi özelliklerine etkileri ve bu özellikler arasındaki ilişkiler

This research was conducted to investigate the effects of selection on egg weight, shell thickness, shell weight, shape index, albumen index, yolk index and Haugh Unit in 11 generations selected Japanese quails (Coturnix coturnix japonica). 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. There were found significant differences among the lines in terms of all egg traits (P<0.01). The egg weights were determined in HL, LL, L and C lines as 14.14±0.17 g, 9.23±0.07, 10.49±0.10 and 11.43±0.13 g respectively. Besides there were significant (P<0.01) differences among the lines for the shell weight, and highest and lowest values were determined as 1.15±0.02 g and 0.84±0.02 g in HL and LL lines. Once again, there were found significant (P<0.05) differences among the lines in point of Haugh Unit. The highest positive correlation (P<0.01) was found between egg weight and egg width (0.938), and the highest negative correlation (P<0.01) was found between shape index and egg length (-0.531). Almost all of the internal quality traits of the egg changes depending on external quality traits of the egg.

Keywords:

Japanese quails, selection, egg albumen, egg production, egg quality, egg shell thickness, egg weight, line differences, lines, liveweight, poultry,

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