Influence of feed heat treatment on productivity of dairy cows

Experiments on the use of extruded feed in the diets of high-yield cows were conducted. The work was carried out on the farm of LLC Druzhba in the Buinsky district. The object of the study was cash cows. The grain mix of the first experimental group of cows included 15 % - corn, 42 % -peas, 25 % - rye, barley -18 %, the second experimental group 20 % - peas, 30 % - rapeseed, 25 % - corn and 25 % rye. The composition of the extruded feed of the third group was identical as in the second, the difference was only in the fact that rapeseed was previously sprouted for 48-72 hours before extrusion, and then mixed with the rest of the feed mixture. The nutritional content of all three compositions of extruded feed was identical.