Petrov Oleg Yuriyevich; Baimukanov Dastanbek Asylbekovich; Tyurin Vladimir Grigoryevich; Semenov Vladimir; Kuzmina Nadezhda Nikolaevna; Nesipbayeva Aigul Kadirovna; Zhylkyshybayeva Meruert Malikovna; Yerezhepova Makpal Shamakhanovna; Apeev Kuanysh Bolatbekovich. PRODUCTIVE ACTION OF DIFFERENT FAT LEVELS IN DIETS OF BULL-CALVES. ВНР 2019, 254-263..