Selection For Age at Sexual Maturity and Its Relationships With Some Production Traits in Japans Quail Brown | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 16, Issue 2, June 2016, Pages 146-152 | ||
| Authors | ||
| Basher T.O. Al-Tikriti; Samawal S.A. Al-Tikriti | ||
| Abstract | ||
| This study was carried in poultry farm of animal resources department for the period from 20/10/2012 to 20/6/2013 to demonstrate the effect of the selection for age at sexual maturity for japanese quails brown at some production traits . Used in this study for all 1000 bird at one day age . at 21 day of age all birds were sexed according to color pattern of pluage , Used 168 females to the parents generation which was distributed individually in cages and record the date of the first eggs per female and female were divided into three groups selected are early, medium and late age at sexual maturity. each group was divided into ten families by one male and three females each family and the number was used in the study, 30 males and 90 females were hatching egg production index sons by groups and their hosts were recorded production traits of both parents and sons . the results showed superiority group early age at sexual maturity in egg number and egg mass trait for each generation sire and sons comparative group medium and , late age at sexual maturity . no a significant differences was observed in egg weight trait between three groups early , medium and late age at sexual maturity . | ||
| Keywords | ||
| Japanese quail; age at sexual maturity; production traits | ||
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