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Eurytrema coelomaticum natural infection in small ruminants: a neglected condition

Published online by Cambridge University Press:  14 December 2020

Davi Emanuel Ribeiro de Sousa
Affiliation:
Veterinary Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, DF70636-200, Brazil
Edson de Figueiredo Gaudêncio Barbosa
Affiliation:
Centro Universitário CESMAC, Faculdade Cesmac do Sertão, CESMAC UNIDADE MARECHAL DEODORO, Rua Cônego Machado Farol, Maceió, AL57051160, Brazil
Tais Meziara Wilson
Affiliation:
Veterinary Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, DF70636-200, Brazil
Mizael Machado
Affiliation:
Instituto Nacional de Investigacion Agropecuaria (INIA), Estacion Experimental INIA Tacuarembó, Plataforma de Salud Animal, Ruta 5 Km 386, Tacuarembó, Uruguay
Wilson Júnior Oliveira
Affiliation:
Department of Pathology, Animal Reproduction, and One Health Laboratory of Parasitic Diseases – LabEPar, Paulista State University, Jaboticabal, SP14884-90, Brazil
Matheus Almeida Duarte
Affiliation:
Veterinary Clinical Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, DF70636-200, Brazil
Marcela Corrêa Scalon
Affiliation:
Veterinary Clinical Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, DF70636-200, Brazil
Antônio Carlos Lopes Câmara
Affiliation:
Large Animal Veterinary Teaching Hospital, University of Brasília (UnB), SIT PqEAT, Granja do Torto, 70297-400, Brasília, Distrito Federal, Brazil
Estevam Guilherme Lux Hoppe
Affiliation:
Department of Pathology, Animal Reproduction, and One Health Laboratory of Parasitic Diseases – LabEPar, Paulista State University, Jaboticabal, SP14884-90, Brazil
Giane Regina Paludo
Affiliation:
Veterinary Clinical Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, DF70636-200, Brazil
Cristiano Barros de Melo
Affiliation:
Postgraduate Program in Animal Sciences, College of Agronomy and Veterinary Medicine, University of Brasília, Brasília, DF70910-900, Brazil
Márcio Botelho de Castro*
Affiliation:
Veterinary Pathology Laboratory, Campus Darcy Ribeiro, University of Brasília, Brasília, DF70636-200, Brazil
*
Author for correspondence: Márcio Botelho de Castro, E-mail: mbcastro@unb.br

Abstract

Pancreatic eurytrematosis (PE) is an under diagnosed and neglected parasitosis in goats and sheep in the Americas. Clinical and pathological features of PE are not well defined in small ruminants worldwide. Natural cases of PE in small ruminants were detected in the Federal District, Brazil. A survey of necropsy records, including epidemiological and clinicopathological data, in goats and sheep was conducted. Most cases of PE occurred during the rainy season in adult females, with an incidence of 12.9% in goats and 0.8% in sheep. Clinical signs varied from asymptomatic infections to anorexia, lethargy, weakness, marked weight loss and death in some goats. Overall, most cases of PE in goats and sheep were incidental necropsy findings with minor pancreatic lesions. Three goats, however, showed severe chronic pancreatitis, dilation of major pancreatic ducts with numerous trematodes present and marked abdominal fat necrosis. Morphological and molecular characterization of flukes detected Eurytrema coelomaticum. Our findings shed light on the prevalence of E. coelomaticum infections in small ruminants in the region and highlight the possibility of severe and lethal cases in goats. PE must be further investigated in small ruminant populations in relevant livestock production regions of the Americas.

Type
Research Article
Copyright
Copyright © The Author(s) 2020. Published by Cambridge University Press

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