The book includes the most comprehensive training and reference material on the quality and safety of feed and feed additives for farm animals. A separate chapter deals with the rationed feeding of cattle. The material of the manual corresponds to the minimum content of the professional educational program of the State Educational Standard in the disciplines: food safety, homeostasis and nutrition, veterinary and sanitary examination, agricultural production technologies. When preparing the manual, the latest regulatory documents, educational and periodicals, materials of the authors' own research were used.