2018,    N 4 (34)    

VETERINARY SCIENCE AND ANIMAL INDUSTRIES

Pavlova E., Tatarkina N.

The productivity of daughters of bulls - producers of holstein breed of different lines

The article provides a comparative assessment of the productivity of daughters of bulls - producers of Holstein breed of various lines. Based on this, it was found that the daughters of the bull Zenith of the Montvik Chiftain 95679 line are relatively high in comparison with the peers of the Reflection Sovering 198998 and Vis Bek Idial 1013415. . The genetic potential of daughters analyzed by producers' bulls is quite high, but under certain conditions of feeding and housing of first-calf cows, it was more pronounced in the bull Consul Reflection Sovering 198998.

Keywords: BULL-MAKER, LINES, BREED, FIRST-CALF COWS, MILK PRODUCTIVITY, MASS FRACTION OF FAT AND PROTEIN