Author/Authors :
ALKAN, Sezai Akdeniz Üniversitesi - Ziraat Fakültesi - Zootekni Bölümü, Turkey , KARSLI, Taki Akdeniz Üniversitesi - Ziraat Fakültesi - Zootekni Bölümü, Turkey , KARABAG, Kemal Akdeniz Üniversitesi - Ziraat Fakültesi - Tarımsal Biyoteknoloji Bölümü, Turkey , GALIÇ, Askın Akdeniz Üniversitesi - Ziraat Fakültesi - Zootekni Bölümü, Turkey
Abstract :
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 (Coturnixcoturnix 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.
NaturalLanguageKeyword :
Selection , season , clutch traits , Japanese quail
