For citations:
Abilov A.I., Zaripov F.R., Dunin M.I., Pyzhova E.A. Content of endogenous hormones in the blood serum of milking breeds bulls-producers in the conditions of Tatarstan region. Agrarian science. 2020;(7-8):44-48. (In Russ.) https://doi.org/10.32634/0869-8155-2020-340-7-44-48