For citations:

Tretyak A.S. Veterinary and epizootic surveillance in Russia in the second half of the XIX century (based on the materials of the Central Black Earth Region). Proceedings of Southwest State University. Series: History and Law. 2024;14(5):199-210. (In Russ.) https://doi.org/10.21869/2223-1501-2024-14-5-199-210