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Autor:
T.N. Karymsakov, A.D. Baimukanov, M.A. Kineev, K.Zh. Zhumanov, M.V. Tamarovskiy, Timirâzevskaâ selʹskohozâjstvennaâ akademiâ
Publikováno v:
Izvestiâ Timirâzevskoj selʹskohozâjstvennoj akademii. :155-163
According to the current “Instruction” used in dairy cattle selection and breeding in the Republic of Kazakhstan, bulls-producers of dairy breeds are assessed according to the their offspring quality based on the principle of “peer daughter”.