Livestock Studies 2002, Vol 42, Num, 1     (Pages: 011-024)

Adaptation capability of Karayaka and Bafra (Chios x Karayaka B1) genotypes reared in Lalahan Livestock Research conditions

Halil AKÇAPINAR 1 ,Necmettin ÜNAL 1 ,Fatih ATASOY 1 ,Ceyhan ÖZBEYAZ 1 ,Melik AYTAÇ 2

1 Ankara Üniversitesi Veteriner Fakültesi Zootekni Anabilim Dalı – ANKARA
2 Lalahan Hayvancılık Araştırma Enstitüsü – ANKARA
Viewed : 139 - Downloaded : 76 This study was carried out to investigate the production traits of Karayaka and Bafra (Chios x Karayaka B1) genotypes reared in Lalahan Livestock Research Institute in Central Anatolian region. The region has continental climate conditions. Karayaka and Bafra genotypes are raised in Black Sea region of Turkey. The study has been conducted between 1997-2001 years. Fertility results of Karayaka and Bafra were determined to be 50.00 and 64.08 % for birth rates, and 1.05 and 1.42 for litter size, respectively. The survival rates of Karayaka and Bafra lambs at weaning (90 days) were 80.00 and 87.74% (P>0.05), respectively. While the survival rate of lambs in 1998 at weaning was 75.00 %, it was 94.59 % in 2001. The least squares means obtained for Karayaka and Bafra lambs were 3.26 and 3.40 kg for birth weight, 13.69 and 13.92 kg for weaning weight, 22.09 and 22.98 kg (P>0.05) for 180 day weight; and for body measurements 45.22 and 48.90 cm for wither heights, 46.18 and 49.52 cm for body lengths, 57.52 and 59.05 cm for chest girths, 21.75 and 22.59 cm for chest depths at weaning, respectively. The results of the study showed that adaptation capabilities of Karayaka and Bafra genotypes reared in Central Anatolian conditions were low level at the beginning part of the study, but reached at high level at the end of the study. Keywords : Sheep, Karayaka, Bafra, Chios, crosbreeding, adaptation capability, production traits