Abstract
Two double sandwich enzyme-linked immunosorbent assays (ELISA) for Clostridium perfringens beta and epsilon toxins were assessed for routine diagnosis of enterotoxemias on intestinal contents of 151 sheep that died suddenly. Conventional tests (mouse assay and culture of organism) showed that 21 specimens were positive for Clostridium perfringens type C (beta toxin) and 39 were positive for Clostridium perfringens type D (epsilon toxin) enterotoxemias. Comparison of the ELISA results with conventional assays gave sensitivity and specificity rates respectively of 90.5% and 89.2% for beta toxin assay and 97.4% and 94.6%for epsilon toxin assay. With further refinement to improve the performance of the assay for beta toxin these tests could serve as a substitute for conventional tests in the laboratory diagnosis of Clostridium perfringens types B, C and D enterotoxemias.
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