TY JOUR TI GENETIC POTENTIAL OF BLACK MOTTLE CATTLE OF DIFFERENT LINES AND BRANCHES KW line KW branch KW genealogical structure KW animals KW bull KW genetic potential JO Agrobiotechnologies and digital farming AU Shaydullin, R.R. AU Kharisova, C.A. AU Ahmetov, T.M. PY 2022 IS 1 PB Kazan state agrarian University