For citations:
Abilov A., Kozmenkov P., Iolchiev В. The results of the use of imported from the USA semen of breeding bulls in the Nizhny Novgorod region. Genetics and breeding of animals. 2021;(3):34-39. (In Russ.) https://doi.org/10.31043/2410-2733-2021-3-34-39