NEW PLANT LINES OF HOLSTEIN POPULATION OF LOCAL SELECTION IN BELARUS
Two new plant lines of livestock of Holstein breed of local selection were created - Aerostar 383622 and Melvuda 1879149 that differ by quite a high level of indicators of milk production: the average milk yield is 7796 kg of milk with 4,04 % fat and 3,37 % protein and, accordingly, 7827 kg 4,08 and 3,36 %; by product of butterfat in 305 days of lactation surpass coevals of other lines by 8-10 %. Animals of created lines have a good level of development in all periods of rearing and management. Cows have good reproductive abilities, udder health and are suitable for mechanical milking at industrial complexes.