Semenov Vladimir Grigoryevich; Baimukanov Dastanbek Asylbekovich; Alentayev Aleidar Saldarovich; Kirillov Nikolay Kirillovich; Karynbayev Amanbai Kambarbekovich; Aldyakov Alexey Vladimirovich. FACTORS OF NONSPECIFIC RESISTANCE OF CALVES IN DAIRY CATTLE BREEDING. ВНР 2021, 81-88.