Estimation of (Co)Variance Components of Egg Quality Traits for Fars Native Fowls

estimation of heritability and genetic and phenotypic correlation between egg quality and body weight traits in native fowls of fars

a total of 2000 records of egg quality of 746 birds and body weight data from 17th generation of fars native fowl breeding station were used to estimate the genetic parameters of egg quality and body weight traits. six univariate animal models with different random effects were fitted for each trait. a model with direct additive genetic and maternal permanent environmental effects was the most ...

Egg quality of the native chickens of fars province iran

Estimation of Phenotypic and Genetic Parameters of Egg Quality Traits of Azerbaijan Native Hens

The egg quality is one of the most important economic factors for layers that are crucial for hatchability and marketing. Given the low number of egg quality traits records, one of the approaches in estimating phenotypic and genetic parameters is multi trait analysis. The aim of this study was to estimate the phenotypic and genetic parameters of west Azerbaijan native hens egg quality traits by...

estimation of genetic and phenotypic parameters for internal egg quality traits of azerbaijan native chickens

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estimation of economic values for production traits of iranian native fowls

using the available information from mazandaran native fowl breeding center as well as studying costs and revenues of poultry, effective factors on profit and the parameters which required to design a model were studied. sensitivity of the model to changes of each parameter in the model tested. the model of this study can be used in similar breeding plans in other provinces after minor changes ...