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Brucellosis in migratory sheep flock from Maharashtra, India

Sonekar, ChhayaP., Kale, Satyajit, Bhoyar, Smita, Paliwal, Neha, Shinde, S.V., Awandkar, S.P., Khan, Wiqar, Chaudhari, S.P., Kurkure, N.V.
Tropical animal health and production 2018 v.50 no.1 pp. 91-96
Brucella melitensis, blood serum, brucellosis, enzyme-linked immunosorbent assay, farmers, flocks, genes, polymerase chain reaction, public health, sheep, zoonoses, India
Brucellosis is a zoonotic disease worldwide distributed and having the economic as well as public health importance. The prevalence of brucellosis among sheep flock having history of abortions was studied. A total of 229 samples comprising of 157 blood and 72 clinical samples (vaginal swabs) were collected from 157 animals. Clinical samples were processed for the isolation of Brucella melitensis. Serum samples (n = 157) were tested by Rose Bengal plate test (RBPT) and i-ELISA. A total of 68 (43.31%) and 104 (66.24%) samples were positive by RBPT and ELISA, respectively. Brucella isolates (n = 2) were recovered from clinical samples. Both isolates demonstrated amplification for bcsp 31 and IS711 genes. On AMOS PCR, both the isolates amplified at 731 bp, i.e., belongs to B. melitensis species. The incidence of B. melitensis in a migratory flock warns the thorough testing and culling of Brucella-infected sheep from the flock on a continuous basis; otherwise, such incidence will be routine and poor farmers will be at a loss.