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The article examines the development of diagnostic computer expert systems for interactive diagnostics of animal diseases with the possibility of entering new facts, connections, data on diseases and their symptoms, on treatment regimens, health improvement, prevention into the knowledge base. New possibilities of organizing the work of expert systems, which are implemented using cloud technologies in veterinary services for farm animals, are considered. The widespread adoption of such systems in veterinary medicine was restrained by several factors: a small number of systems, high cost, difficulties in maintenance when updating databases and knowledge. Today, the possibility of placing the main functionality of the expert system in cloud storages and access to the software online greatly simplify the use of such systems. On the example of the developed expert system "CORALL - Diagnosis of cattle diseases", the technology of placing the program in the cloud is presented, the methods of work of the Expert, who form the knowledge base for the diagnosis of diseases, and the User, using the knowledge embedded in the system to obtain practical recommendations, are described. It is shown how to install a diagnostic system on a network drive using free services and organize access to it for the Expert and Users. An expert (an experienced veterinarian, a specialist of a consulting service, a scientist of the corresponding scientific field) sets, forms and formalizes numerous connections between the essences of the expert system: signs of diseases and illnesses; affected systems and methods of treatment; animals and possible diseases; diseases, measures of their treatment and prevention; animals and treatment regimens, etc. The expert enters the system with up-to-date information on all relationships. Users (veterinarians, livestock specialists, farmers) working in livestock enterprises, on farms, in veterinary services, etc. they also get constant access to the expert system, but already in the section of the actual diagnostics and necessary information.
Keywords:expert system, animals diseases diagnostics, cloud technologies, veterinary service, disease treatment, computer programs for veterinarians, automated disease detection.
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