COMPARATIVE CHARACTERISTIC OF MANUFACTURING BULLS OF VARIOUS GENOTYPES ON REPRODUCTIVE ABILITY AND PROSPECTS OF THEIR USE FOR INCREASE OF DAIRY EFFICIENCY OF COWS OF PUBLIC LIMITED COMPANY "WAY NEW"
In the conducted researches the pedigree structure of manufacturing bulls, their genealogical structure, live weight and efficiency of mothers of bulls, quality indicators of sperm, measurements and indexes of a constitution of manufacturing bulls, dairy efficiency of their daughters are studied.