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Logo of cjvetresCVMACanadian Journal of Veterinary ResearchSee also Canadian Journal of Comparative MedicineJournal Web siteHow to Submit
Can J Vet Res. Jan 1987; 51(1): 99–103.
PMCID: PMC1255281

Diagnostic sensitivity and specificity of an enzyme-linked immunosorbent assay for the diagnosis of Brucella ovis infection in rams.

Abstract

An enzyme-linked immunosorbent assay (ELISA) for antibody to Brucella ovis was compared with a standard complement fixation test. Sera of 176 rams from uninfected flocks gave 175 negative and one suspect ELISA reaction (diagnostic specificity 99.4%) whereas the complement fixation test yielded 167 negative, seven suspect and two anticomplementary reactions (diagnostic specificity of 96.0%). Diagnostic sensitivity was evaluated on sera of 79 rams from which B. ovis had been isolated. The ELISA showed 75 positive and four suspect reactions, while complement fixation test revealed 64 positive, 13 suspect and two negative results. Considering both positive and suspect reactions, the diagnostic sensitivity was 100% for ELISA and 97.5% for complement fixation test. The ELISA method was considered more specific, more sensitive and technically more advantageous than complement fixation test as a serodiagnostic test for B. ovis infection in rams.

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Selected References

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