Abstract
Two reversed solid-phase radioimmunoassays were developed for quantitative determination of antibodies against Clostridium perfringens type D ε toxin. 125I-labeled prototoxin was used in the bromoacetylcellulose-bound antibody method and in the antibody-coated tube method. The antibody values which can be detected by the assays are in the range of 0.004 IU/ml of investigated serum. The methods allow the screening investigation of large groups of vaccinated sheep in a rapid and inexpensive way, and are very suitable for measuring small amounts of C. perfringens D ε antibodies with a small experimental error.
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Selected References
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