The textbook includes theoretical materials logically structured by chapters and containing questions, the answers to which determine the level of understanding of the students of the relevant subject ; a set of tasks for control in the form of test tasks, tasks, performing which the student will concentrate on certain aspects of the discipline being studied The manual is intended for students in the areas of training : 19. 03. 01 Biotechnology, 19. 03. 03 Foods of animal origin, 19. 03. 04 Product technology and catering, 20. 03. 01 Technosphere security, 35. 03. 03 Agrochemistry and agro-soil science, 35. 03. 04 Agronomy, 35. 03. 05 Gardening, 35. 03. 07 Technology of production and processing of agricultural products, 36. 03. 01 Veterinary and sanitary examination, 36. 03. 02 Zootechnics, 38. 03. 01 Economy, 38. 03. 02 Management, 38. 03. 07 Merchandise and specialty 36. 05. 01 Veterinary medicine .