The use of reverse crossing of the Kalmyk short-tailed breed with the Volgograd meat and wool breed of sheep

Abstract

   A feature of modern world sheep breeding is that in recent years the economic weight of sheep compared to wool has grown significantly. Currently, in most countries of the world, the income from the production of sheep is more than 90%, and from the sale of wool – about 10 %. Therefore, at present, much attention is paid to the development of early-maturing meat and meat-wool sheep breeding in Russia [3]. According to Y.L. Glembotsky [2], A.A. Veniaminov [1], A.P. Semenov, O.I. Biryukov [6] and others. in the modern world sheep breeding, with a total decrease in the population (by 11.6 %) and a decrease in the total production of wool (by 30 %), the production of sheep increased by 32.1 %. The increase in sheep production is due to an increase in the specific weight of young sheep. In connection with this, the question of increasing the meat productivity and quality of the Kalmyk sheep breed on the basis of backcrossing with meat-wool thin-skinned breeds has become urgent. The production of sheep breeding can be successful in increasing the meat productivity of sheep by improving existing breeds, identifying new highly productive genotypes and widely using the most advanced technological maintenance and feeding of sheep. The technology of keeping sheep, which is based on a solid fodder base, knowledge of physiology, age characteristics of metabolism, to the greatest extent contributes to the realization of the hereditary potential of their productivity [5].