For citations:
Evstifeev V.V., Gumerov V.G., Khusainov F.M., Khusainova G.I., Akbashev I.R., Yakovlev S.I. Seroimmunological monitoring of respiratory and gastrointestinal diseases of cattle in various cattle farms of the Middle Volga region for 2019. International Journal of Veterinary Medicine. 2021;(1):18-23. (In Russ.) https://doi.org/10.17238/issn2072-2419.2021.1.18