N. K. Zhumadillaev
«Research Institute of sheep breeding named after K. U. Medeubekov» branch office of Kazakh Research Institute of Animal Breeding and Forage Production LLP
Kazakhstan

Cand. Sci. (Agriculture), deputy director for implementation and production  

15 Zhibek Zholy street, Mynbaevo village, Almaty region, Zhambyl district, B33M9C2, Republic of Kazakhstan

Yu. A. Yuldashbaev
Russian State Agrarian University — Moscow Timiryazev Agricultural Academy
Russian Federation

academician of the Russian Academy of Sciences, Doc. Sci. (Agriculture), professor, dean of the faculty of livestock and biology, professor of the department of private livestock

49, Timiryazevskaya St., Moscow, Russia

A. K. Karynbaev
South-Western research Institute of livestock and crop production LLP
Kazakhstan

Doc. Sci. (Agriculture), Academician of the Russian Academy of Natural Sciences, Professor of the Department of Biology

3, al-Farabi square, al-Farabi district, Shymkent, Republic of Kazakhstan, X08F6E0