For citations:
Abilov A.I., Novgorodova I.P., Nikanova D.A., Кombarova N.A., Кorneenko-Zhilyaev Yu.A. Nonspecific resistance of breeding bulls depending on breeds, intrabreed age differences and total protein level. Agrarian science. 2024;(7):55-61. (In Russ.) https://doi.org/10.32634/0869-8155-2024-384-7-55-61