PATHOMORPHOLOGICAL DIFFERENTIAL DIAGNOSTICS OF PARVOVIRAL AND CORONAVIRAL ENTERITIS IN DOGS

In the work, taking into account the peculiarities of the clinical manifestation of the disease and the results of macro- and microscopic changes in the organs and tissues of dogs with coronavirus and parvovirus enteritis detected using VetExpert rapid tests and ELISA and PCR, developed and presented a system of differential diagnosis, depending on the form of the disease - intestinal and cardiac. Based on our analysis of literature sources, monitoring results and own Studies have shown that viral enteritis occupies a leading place in the infectious pathology of dogs and cause significant losses to animal owners. Viral enteritis leads to severe disorders of the gastrointestinal, cardiovascular and respiratory systems. They have been shown to be one of the most common causes of infectious diarrhea in dogs under 6 months of age. Moreover, canine parvo- and coronavirus are classified as primary pathogens. According to the results of pathological and anatomical autopsy of dogs in the intestinal form of parvovirus enteritis, there is hemorrhagic inflammation of the intestine, serous-hemorrhagic inflammation of the mesentery lymph nodes, signs of hepatitis and enlargement of the spleen; in the cardiac form of the disease – acute alternative myocarditis, hemorrhage and foci of pulmonary atelectasis. With coronavirus enteritis of dogs in the spleen there are spotted hemorrhages, in the kidneys – local heart attacks, in the heart of the expansion of the left side, in the lungs in places signs of hemostasis, the mucous membrane of the loops small intestine with signs of catarrhal-hemorrhagic inflammation. Lymph nodes, moderate hyperplasia, with signs of hemorrhagic inflammation. Thus, we found a set of pathomorphological changes in dead animals, taking into account the macro microscopic methods of research, can be considered a characteristic criterion of pathomorphological differential diagnosis of parvo- and coronavirus enteritis in dogs