%0 Conference Article %T PRODUCTIVE QUALITIES OF COWS DEPENDING ON COMPLEX GENOTYPES FOR BETA-CASEIN AND LEPTINA GENES %A Paramonova, M.. %A Valitov, F.. %A Kononenko, T.. %A Ganieva, I.. %K black-and-white cattle, polymorphism, genotype, beta-casein, leptin, milk yield, qualitative composition of milk. %J XIII All-Russian scientific-practical conference of young scientists «Achievements and prospects of development of the Russian agriculture", dedicated to the memory of R.G. Gareev %D 2023 %P 4 %I TRIA FRC Kazan Scientific Center of RAS