For citations:
Abilov A.I., Azhmyakov A.A., Novgorodova I.P. Hormonal state of breeding bulls after a long winter period of operation in the conditions of the Udmurt Republic. Agrarian science. 2021;(9):35-40. (In Russ.) https://doi.org/10.32634/0869-8155-2021-352-9-35-40