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PATHOMORPHOLOGICAL CHANGES IN THE LIVER AND INTESTINE OF HORSES WITH PARASCAROSIS AND STRONGYLATOSES

As a result of the conducted research, pathomorphological changes of the liver, small and large intestines of horses under the influence of nematodes were established. It was found that the degree of manifestation of morphofunctional changes depends on the intensity of the invasion and severity of the pathological process. In the macroscopic and microscopic structure of the liver of horses, infected by Parascaris equorum та Strogylidae sp., histoarchitectonic changes were observed (microhemodynamics disorders, dysplasia of liver plates, swelling of the hepatocytes’ cytoplasm). Due to histological studies of the microstructure of the small and large intestines of horses with parascarosis and strongylatoses, inflammation of the mucous membrane, desquamation of the epithelium of the intestinal villi and crypts, hemorrhages were revealed.

Key words: parascarosis, strongylatoses, desquamation, hemorrhage, edema, parenchyma, hepatocytes.

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