INFLUENCE OF GENETIC AND EXTERNAL FACTORS ON PRODUCTIVE QUALITIES OF COWS OF TYPE THE IRMENSKY
Results of influence of various factors on highly productive animals of type the Irmensky are considered. Group heifers grew up till 18 months in the conditions of ОАО ПЗ «Ирмень», and then, the part of animals has been sold in an economy with smaller level of efficiency (ОПХ «Элитное»). As a result, the yield of milk of the sold animals has appeared more low, than at heifers of ОАО ПЗ «Ирмень» and corresponded to level ОПХ «Элитное»