N. K. Zhumadillaev
TOO “Kazakh Research Institute of Animal Husbandry and Feed Production” – branch of the Research Institute of Sheep Breeding named after K.U. Medeubekova
Russian Federation

Nurzhan K. Zhumadillaev, candidate of agricultural sciences, deputy director for implementation and production

Y. A. Yuldashbaev
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation

Yusupzhan A. Yuldashbaev, academician of the Russian Academy of Sciences, doctor of agricultural sciences, professor, dean of the faculty of livestock and biology, professor of the department of private livestock

49, Timiryazevskaya St., Moscow

A. K. Karynbaev
TOO “South-West Research Institute livestock and crop production»
Russian Federation

Amanbai K. Karynbaev, Doctor of Agricultural Sciences, Academician of the Russian Academy of Natural Sciences, Professor of the Department of Biology