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Research in Veterinary Science

By N. Seyffert, A.S. Guimarães, L.G.C. Pacheco, R.W. Portela, B.L. Bastos, F.A. Dorella, M.B. Heinemann, A.P. Lage, A.M.G. Gouveia, R. Meyer, A. Miyoshi and V. Azevedo


Trabalho completo: acesso restrito, p. 50–55We conducted a seroepidemiological survey to determine the prevalence of caseous lymphadenitis (CLA) in goat herds in Minas Gerais state, Brazil. Serum samples were collected from goats (n = 676) from 108 rural properties in 2001, covering most of the sub-regions of this ca. 586,500 square kilometer state. Antibodies against Corynebacterium pseudotuberculosis secreted proteins were detected by an indirect enzyme-linked immunosorbent assay (ELISA). Most of the animals (78.9%) tested positive for CLA; 98% of flocks presented at least one seropositive animal. Goats managed under an extensive production system had a significantly higher seroprevalence of CLA than those in intensive and semi-intensive operations. The age distribution of the animals in the flocks affected the prevalence of this disease; however, goat breed did not. We found seropositivity against C. pseudotuberculosis to be highly prevalent in these Brazilian goat herds; consequently, appropriate management practices for the control of CLA should be implemented

Topics: Corynebacterium pseudotuberculosis, Secreted proteins, Caseous lymphadenitis, Goats, ELISA, Seroprevalence
Publisher: Elsevier
Year: 2012
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