Borshch О. The role of fattening factor at different technologies of management in realization of dairy cattle productive potential

Dynamics of fattening of the Ukrainian black-and-white dairy breed cows and its influence on the productive and reproduced signs at the different systems of maintenance and milking is studied for the first time. The influence off atteningon on the behavior of high-producing cows, indexes of milk removal, bioenergetic indexes is investigated. The tendency to the increase in the next lactation of the productive, reproduced, bioenergetics indexes of the state of health in cows with fattening before calving from 3 to 4 points is set. It is also set that the maximal decline of fattening for cows in the first third of lactation for such cows was 0,5-0,75 points, while for cows with fattening 4 and more points before calving this index was 1-1,25 points.