The aim is report a case of myositis associated with the genus Trichinella parasite in a giant anteater Myrmecophaga trydactila a bear at the zoo "El Pinar" Caracas, Venezuela. With a history of lameness of hind limbs, chronic dermatitis draining in recurrent femoral region, cervical and axillary, bacteraemia and septicaemia. Necropsy was performed systematically by the techniques described for pets. Tissue sections were taken for histopathological examination and were processed by conventional methods of histological processing. Samples were taken from stomach contents and faeces for parasitological studies using the technique of flotation. Gross examination revealed marked chronic wasting. Severe chronic exudative dermatitis with secondary bacterial infection. Evidenced hidroperitoneo marking. Focal nodular chronic erosive gastritis. Enteritis segmental duodenal mucosa and chronic coli...