Japon Bıldırcınlarının Çeşitli Verim Özelliklerine Ait Fenotipik ve Genetik Parametreler III. Bir Erkek-Bir Dişi (Single Pair) Ciftleşme Metoduyla Canlı Ağırlıkların Kalıtım Derecesi Tahmini

Year 1996, Volume: 9 Issue: 1, 280 - 287, 01.12.1996

Ragıp Tığlı Erdal Yaylak M. Soner Balcıoğlu

Abstract

Bu araştırma, Akdeniz Üniversitesi Ziraat Fakültesi Zootekni Bölümü Bıldırcın Ünitesinde yürütülmüştür. Çalışmanın amacı, üzerinde ekonomik özellikler bakımından herhangi bir ıslah çalışması uygulanmamış Japon Bıldırcınlarının canlı ağırlıklanna ait bazı genetik parametreleri tahmin etmektir. Denemede 42 baba 168 ana kullanılmıştır. Başlangıçta, her baba 4 farklı dişiye verilerek 4 farklı set oluşturulmuştur. I. sette 42 baba-anadan 317, II. sette 42 baba-anadan 325, ili. sette 38 baba-anadan 280 ve IV sette 19 baba-anadan 139 döl elde edilmiştir. Çıkıştaki canlı ağırlığa ait kalıtım derecesi tahminleri 1.21+0.130 ile 1.55±0.129 arasında, tartısız ortalama ise 1.365 olmak üzere çok yüksek ve tanım dışı tahmin edilmiştir. Gelişme dönemleri ilerledikçe kalıtım dereceleri tanım aralığı içerisinde tahmin edilmiş ve 6. haftada 0.36+0.112 ile 0.54±0,126 arasında bulunmuştur. Tahmin edilen canlı ağırlıklara ait kalıtım dereceleri cinsiyetler arasında farklı bulunmuş ve erkeklerde, dişilere göfe daha büyük değer aldığı gözlenmiştir. Bu durum dişilere ait çevresel varyansın daha büyük olmasıyla açıklanmıştır.

Keywords

Japon Bıldırcını, Kalıtım Derecesi, live weight

Phenotypic and Genetic Parameter for the Various Yield Characteristics in Japanese Quail III. Estimates of the Heritability by Single Pair Matings Method for Live Weight

Abstract

This study was carried out in the Quail Breeding Unit of Animal Science Department of Agriculture Faculty of Akdeniz University. The aim of the study was to estimate some parameters of the live weight of japanese quails which were not bred for any economîcal traits. in the study 42 sires and 168 dams were used. Four different sets were arranged by following each sires to mata with four different dams. From 42, 42, 38 and 19 sires-dams of the different sets, 317 offsprings in the firet, 325 in the second, 280 in the third and 139 in the fourth sets were optained respectively. The heritabilities of the live weight on hatching were estimated between 1.21±0.130 and 1.55±0.129 and the means as 1.365 which were very high and outside the define. During first 6 weeks as the growing periods progressed the heritability decreased and ranged between 0.36±0.112 and 0.54±0.126. The heritability between males and females were different, and the males had bigger values than the females. This case was attributed to the environmental variance which were mora effective for the females.

Keywords

Japanese Quail, Heritability, live weight

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