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Outbreak of contagious echtyma in sheep in Rio Grande do Sul, Brazil / Surto de ectima contagioso em ovinos no Rio Grande do Sul, Brasil

Panziera, Welden; Lorenzett, Marina Paula; Hammerschmitt, Márcia Elisa; Slaviero, Mônica; Cardoso, Henrique Mondardo; Pavarini, Saulo Petinatti; Driemeier, David.
Acta Sci. vet.; 44(supl): 01-04, 2016. ilus
Artigo em Português | VETINDEX | ID: vti-483734


Background: Contagious ecthyma is a viral disease caused by a Parapoxvirus, which affects primarily sheep and goats. The disease has a worldwide distribution and is characterized by cutaneous pustules and crusts mainly in the muzzle and lips. Although the disease has a worldwide distribution, there are few reports in the literature of contagious ecthyma outbreaks in Brazil. Moreover, this is an important disease, as well as causing huge economic losses due to high morbidity rates, is also a zoonosis occupational character. This report describes the epidemiological, clinical, and anatomopathological aspects of an outbreak of contagious echtyma in sheep in the State of Rio Grande do Sul, Brazil. Case: Cases were observed on January and February of 2016. Seventeen out of 45 Texel sheep were affected including five 4-6-month-old lambs, three 7-12-month-old male sheep and nine 2-year-old ewes. Before the outbreak, a Texel ram was introduced in the herd as replacement. Clinically, affected sheep had pustules, ulcers, and crusts in the lips, labial commissures, muzzle, and nasal bridge. They also presented dyspnea, submandibular and facial subcutaneous edema. One of the affected sheep was euthanized due to the poor prognosis. At necropsy, the lesions observed clinically were confirmed. Histopathology of the skin in the lips and muzzles showed marked acanthosis of the epidermis, [...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1