TY JOUR TI THE INFLUENCE OF LIPID METABOLISM GENES AND THE AGE OF THE FIRST CALVING ON THE DAIRY PRODUCTIVITY OF TATARSTAN-TYPE COWS KW cow KW age of the first calving KW milk productivity KW OLR1 KW DGAT1 KW LEP gene JO Agrobiotechnologies and digital farming AU Lamara, M.. AU Zagidullin, L.R. AU Ahmetov, T.M. AU Shaydullin, R.R. AU Tyulkin, S.V. PY 2023 IS 2 PB Kazan state agrarian University