Abstract:Commercial breeds of chickens are staying under strong selection pressure on increasing of production level. Meanwhile aboriginal breeds are conserving unique adaptation traits, helping them to survive in severe climate. Local breeds combining high resistance, but lower productivity traits are widely kept in smallholders of developing countries. Improving of egg traits in such breeds should be done by selection, not crossing with commercial breeds. Aim of our studies was genetic change of QTL loci linked with … Show more
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