Effectiveness of application of filling agent based on modified diatomite in dairy farming
Mineral, feed additive, cow, milk, blood. The manifestation of mineral deficiency in the body of animals contributes to a decrease in their productivity and the development of diseases such as perversion and loss of appetite, anemia, endemic goiter, rickets, and osteoporosis. One of the ways to solve the problem of mineral insufficiency is the scientific search and development of advanced formula of feed additives based on natural minerals processed by high technologies. The aim of this study is to determine the effectiveness of using modified diatomite as a feed additive for dairy cows. The exeriment was carried out in Ulyanovsk region during 100 days. We formed groups of animals of 50 cows, the 1st group (control) did not receive additives, but only a household diet, in the 2nd group an additive based on modified diatomite was additionally introduced into the diet in a mixture with feed at the rate of 250 g/head/day, . For the physiological experiment, 5 cows were selected by the method of pairs of analogues. It was established that the introduction of additives based on modified diatomite into the diet of cows improves the morphological composition of their blood. Intake of the additive increases milk yield by 24.7% at p<0.05, the amount of milk fat by 16.2 % compared to the control. The effect of afteraction after stopping feeding the additive was revealed. The use of an additive based on a modified mineral is a cost-effective measure that reduces feed costs and gets additional profit. The average daily yield of natural milk increased by 8.2 % for 1 ruble, and a profit of 4.30 rubles was received. There was a decrease in feed costs for the production of 1 kg of natural milk, up to 0.85.