Affiliation:
1. Bashkirskiy NIISH UFIC RAN
2. Federal State Budget Sciences Institution «Federal Williams Research Center of Forage Production and Agroecology»
Abstract
The purpose of this work is to increase the intensity of growth and development of young cattle when rearing highly productive cows, as well as when fattening for meat through the use of energy-saturated high-protein silos harvested using a new technology in feeding diets. To solve the tasks set in the conditions of LLC "Yenikeyev" Dyurtyulinsky district of the Republic of Bashkortostan, crops of mixtures of high-protein, energy-saturated unconventional and crops of mixtures of traditional fodder crops were isolated and silos were prepared by preliminary drying to 70% humidity and using a new generation preservative Biosib. The study of the chemical composition and nutritional value of feed was carried out in the laboratories of zooanalysis of the Bashkir Research Institute of the UFIC RAS and BASHNPVL according to generally accepted methods. Studies have shown that silos from legume-cereal grass mixtures, harvested according to new technologies, are real reserves for replenishing the range of feed for young cattle when growing highly productive cows in the winter-stall period of maintenance, as well as when fattening for meat. The feed is highly nutritious and of good quality. 1 kg of feed contains 0,22-0,24 EKE and 19,0-23,9 g of digestible protein. Feeding heifers 7 kg / head / day of silage of a mixture of eastern goat and boneless stalk increases the intensity of their growth. Compared with the control, the average daily gains in live weight of animals in the experimental group were 7,8% higher. The use of 8 kg of silage in the diet of heifers of a mixture of eastern goat and boneless stalk, while reducing the proportion of concentrates by 0,2 kg, contributes to an increase in live weight gain by 9,0% compared with a group of animals receiving a similar feed mixture of alfalfa and boneless stalk. Feeding bulls 12 and 17 kg of silage with a mixture of eastern goat and boneless stalk also increases the intensity of their growth. In comparison with the control, the average daily increments of animals of the experimental groups were higher by 9,5 and 14,3%. The use of 12 and 17 kg of silage in the diets of fattened young animals of a mixture of eastern goat and boneless rump reduces the cost of concentrated feed per unit of increase by 9,3 and 37,2%.
Publisher
Federal Williams Research Center of Forage Production and Agroecology
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