Nigerian Indigenous vs Exotic Hens: the Correlation Factor in Body Weight and Laying Performance
نویسندگان
چکیده
منابع مشابه
Nigerian Indigenous vs Exotic Hens: the Correlation Factor in Body Weight and Laying Performance (Pp. 405-413)
Genetic interrelationship within and between strains was assessed using pure Nigerian normal feathered local, pure exotic and their crossbred hens for age and body weight at first lay, egg weight and egg internal quality traits. 100 layers comprising 20 Black Nera, 20 White Leghorn, 20 Normal feathered local chicken, 20 White Leghorn x Local cross and 20 Black Nera x Local crosses were randomly...
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Heritability, environmentaland genetic correlations between body weight at hatch (BW0), eight (BW8) and twelve (BW12) weeksof age, body weight at sexual maturity (BWM), age at sexual maturity (AFE),the weight of the first egg laid by the hen (EWM), the mean egg weight from 28 to 32 wks (EW28-32) and egg numbers (ENs) were estimated by the restricted maximum likelihood method under an animal mod...
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Three case reports describing the clinicopathological diagnosis and surgical management of subcutaneous lipomas in adult exotic and Nigerian indigenous chicken, as well as deep lipoma in exotic chickens are here presented. Two dead and one live chickens were presented to the Poultry Clinic, Veterinary Teaching Hospital, Ahmadu Bello University, Zaria, Nigeria, on the 15th October, 2016 and 13th...
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This study was carried out to investigate the egg production performance and egg quality characteristics of the indigenous chickens reared in rural areas of two different climates of Isfahan province. Totally, 2160 indigenous chickens were studied in this research. Two dominant climatic regions (cold and hot) were determined for Isfahan province. In each climate, two towns and three villages...
متن کاملgenetic parameters for body weight and laying traits in mazandaran native breeder hens
heritability, environmentaland genetic correlations between body weight at hatch (bw0), eight (bw8) and twelve (bw12) weeksof age, body weight at sexual maturity (bwm), age at sexual maturity (afe),the weight of the first egg laid by the hen (ewm), the mean egg weight from 28 to 32 wks (ew28-32) and egg numbers (ens) were estimated by the restricted maximum likelihood method under an animal mod...
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ژورنال
عنوان ژورنال: African Research Review
سال: 2011
ISSN: 2070-0083,1994-9057
DOI: 10.4314/afrrev.v5i1.64537