For citations:

Fedyuk V.V., Fedyuk E.I., Tyutyunnikova A.A. Methods for evaluation and selection of pigs on indices of immune status and resistance to opportunistic microflora. Agrarian science. 2019;(2):27-31. (In Russ.) https://doi.org/ 10.32634/0869-8155-2019-322-2-27-31