Formation of meat productivity in descendants of Kalmyk breed improver bulls Vasily Prystupa, Olga Krotova, Boris Ubushaev, Konstantin Savenkov, Natalia Moroz and Maria Savenkova BIO Web Conf., 113 (2024) 02022 Published online: 18 June 2024 DOI: 10.1051/bioconf/202411302022