For citations:
Kharzhau A., Shamshidin A., Sermyagin A., Zhumanov K. Characteristics of population genetic and breeding parameters of the traits of milk productivity of black-and-white and Holstein cows of the Republic of Kazakhstan. Genetics and breeding of animals. 2021;(4):48-58. (In Russ.) https://doi.org/10.31043/2410-2733-2021-4-48-58