1. Kalyuzhnaya, T.V. Monitoring the safety of feed of plant origin based on the content of ecotoxicants / T.V. Kalyuzhnaya, D.A. Orlova // Pharmacy formulas. – 2022. – T. 4, No. 2. – p.44
2. Guidelines for the technological design of systems for the removal and preparation for use of manure and litter RD-APK 1.10.15.02-17, approved. Deputy Minister of Agriculture of the Russian Federation I.V. Lebedev May 23, 2017, p. 58
3. Orekhov, D. A. Legal regulation of the movement of biological waste / D. A. Orekhov // Current problems of veterinary medicine: collection of scientific papers. – St. Petersburg: St. Petersburg State University of Veterinary Medicine, 2023. – p. 21
4. Prevention and diagnosis of mastitis in cows / A. A. Stekolnikov, K. V. Plemyashov, E. A. Korochkina [etc.] // Issues of legal regulation in veterinary medicine. – 2016. – No. 4. – p.138
5. Smirnova, L. I. Microbiological safety of environmental objects and food products: Textbook on sanitary microbiology; admitted by the Ministry of Agriculture of the Russian Federation / L. I. Smirnova, A. A. Sukhinin, E. I. Prikhodko; SPbGAVM. – St. Petersburg: VVM Publishing House LLC, 2013. – p. 135