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OJVRTM
Online Journal of Veterinary
Research©
(Including Medical and Laboratory Research)
Established 1994
ISSN 1328-925X
Volume 29
(10): 639-649, 2025.
Yersinia as antibodies for diagnosis
of Brucellosis in cattle.
Nagaraju NR, Isloor S, Sathyanarayana
Rao M, Rajasekhar M.
Department of Veterinary Public Health
Veterinary college, University of Agricultural Sciences, Project Directorate on Animal Disease, Monitoring
and Surveillance Project Indian Council
of Agricultural Research, Hebbal, Bangalore, India.
SUMMARY
Nagaraju NR, S. Isloor,
M.Sathyanarayana Rao, M. Rajasekhar
M., Yersinia as antibodies for diagnosis of Brucellosis in cattle,, Onl J Vet Res., 29 (10): 639-649,
2025. A serological survey of bovine yersiniosis
was performed in India to determine if Y. enterocolitica
serotype O:9 is responsible for false positive
reactions in the diagnosis of brucellosis. A total of 1521 bovine
sera were tested. Of these, 505 were positive and 1016 negative to Brucella spp with
avidin-biotin ELISA. A total of 108 were
positive for Yersinia antibodies
(7.1% incidence) of which 43 were positive for both yersiniosis
and brucellosis, and 65 were positive for yersiniosis
with antibodies against Y.enterocolitica
other than serotype O:9. The Yersinia
test did not identify false positive brucellosis reactions; for Y.enterocolitica
O:9 (or other Yersinia species) and B.abortus, only a Brucella test will diagnose the disease.
Monoclonal antibody ELISA, Lymphocyte transformation or Interferon-gamma assay
may be more specific for Brucella spp.
The results suggest a low incidence of Y.enterocolitica O:9 in Indian cattle.
KEY WORDS: Brucella abortus - Bovines –
Cross-reaction - ELISA - India - Serodiagnosis -
Yersinia enterocolitica- Yersinia outer membrane
proteins.
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