Exterior features and dairy efficiency of cows of black-motley breed of different generations

Dynamics of the main measurements of cows of black and motley breed of different generation is studied. It is established that cows of 2006-2011 of the birth (the 3rd generation) have more harmonious constitution. They surpass their peers in height at the withers by 0.5-3.5 cm, width chest - 0.3-1.9 cm, width in mamlakah - 0.9-2.9 cm, oblique body length 1.6-3.5 cm, and that led to higher milk production.