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Heritability of egg production in laying hens under cumulative, multitrait and repeated measurement animal models
egg production laying hens cumulative model monthly records
2015/6/4
Six generations of three layer lines (13 770 recorded individuals of A22 line, 13 950 of A88, 9 351 of K66) were used to estimate genetic effects on egg production under cumulative, multitrait and rep...
On station and on-farm evaluation of two Tanzania chicken ecotypes for body weights at different ages and for egg production
Body-weights egg-traits chicken-ecotype
2009/3/4
A study was carried out to evaluate genetic potential of two chicken ecotypes of Tanzania viz. Kuchi and Medium managed both under intensive and extensive management systems. Traits studied unde...
Canonical correlation analysis for studying the relationship between egg production traits and body weight, egg weight and age at sexual maturity in layers
canonical correlation egg production body weight egg weight age at sexual maturity
2015/6/1
In this study, canonical correlation analysis was applied to layer data to estimate the relationships of egg production with age at sexual maturity, body weight and egg weight. For this purpose, it wa...