Dairy Productivity of Holstein Cows of Different Genetic Lines in the Conditions of Kostanay Region of Kazakhstan
Dairy Productivity of Holstein Cows of Different Genetic Lines in the Conditions of Kostanay Region of Kazakhstan
Gulzhan Kalenovna Mussayeva1*, Alikhan Meldebekovich Meldebekov2, Nurgul Alikhanovna Meldebekova2, Gulshat Imanzhankyzy Shaykamal1, Batyrkhan Azimkhanovich Buralkhiyev2, Nurkuisa Mirzabekovich Rametov3 and Kanat Zhumanov4