Data structure designs for breeding value estimation of performance-tested boars using mixed-model methodology were compared. Computer models were based on estimates of parameters from the literature and from results of a survey of test station managers. Results were compared using accuracy (the correlation of true and estimated breeding values) and prediction error variance (PEV). The single-t...

in the present study, the polymorphism of myostatin gene (mstn) in native chickens of western azerbaijan rearing and breeding institute was investigated. the blood samples were collected from eighty two randomly selected hens. genomic dna was extracted from blood samples and a fragment of myostatin including 599 bp in promoter and exon 1 was amplified using pcr method. breeding values for body ...

Numerous Bayesian methods of phenotype prediction and genomic breeding value estimation based on multilocus association models have been proposed. Computationally the methods have been based either on Markov chain Monte Carlo or on faster maximum a posteriori estimation. The demand for more accurate and more efficient estimation has led to the rapid emergence of workable methods, unfortunately ...

The accuracy of animal breeding value estimation is important for achieving the maximum genetic progress various economically traits in populations. study conducted a comparative characterization repeatability and intercorrelation across estimates obtained using different approaches to incorporating genomic information.