For citations:

Batanov S.D., Amerkhanov Kh.A., Baranova I.A., Starostina O.S., Kertiev R.M. Milk productivity of cows of various exterior and constitutional types. IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY. 2021;(2):102-113. (In Russ.) https://doi.org/10.26897/0021-342X-2021-2-102-113