%0 Journal Article %T THE EFFECTIVENESS OF THE USE OF EGG CROSSES OF DOMESTIC BREEDING IN ROSTOV REGION %A , .. %A , .. %A , .. %A , .. %A , .. %K chickens, cross, safety, uniformity, fabriciana bag, thymus, spleen, egg production, quality of eggs %J Bulletin of KSAU %D 2016 %N %P 6 %I Krasnoyarsk State Agrarian University