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Code of Federal Regulations Title 9. Animals and Animal Products § 9.113.110 Clostridium Botulinum Type C Bacterin–Toxoid

Current as of January 02, 2025 | Updated by Findlaw Staff

Clostridium Botulinum Type C Bacterin–Toxoid shall be produced from a culture of Clostridium botulinum Type C which has been inactivated and is nontoxic. Each serial of biological product containing Clostridium botulinum Type C fraction shall meet the applicable requirements in § 113.100 and shall be tested for purity, safety, and potency as prescribed in this section. A serial found unsatisfactory by any prescribed test shall not be released.

(a) Purity test. Final container samples of completed product from each serial and each subserial shall be tested for viable bacteria and fungi as provided in § 113.26.

(b) Safety test. Bulk or final container samples of completed product from each serial shall be tested for safety as provided in § 113.33(b).

(c) Potency test. Bulk or final container samples of completed product from each serial shall be tested for potency, using susceptible mink as test animals. At least five vaccinates and three unvaccinated controls of the same source and approximately the same age shall be used.

(1) Each of the vaccinates shall be injected subcutaneously with the dose recommended on the label for mink. Twenty-one to twenty-eight days post-injection, the vaccinates and the controls shall be challenged intraperitoneally with botulinum Type C toxin which has been titrated in mice to provide for a 10 4.0 mouse MLD dose. The titration technique shall include inoculation of the mice intraperitoneally.

(2) The vaccinates and controls shall be observed for 7 days post-challenge and signs of botulism and deaths noted. For a valid test, the controls shall die of botulism. If the test is valid and 80 percent of the vaccinates do not remain free of botulism, the serial is unsatisfactory.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 9. Animals and Animal Products § 9.113.110 Clostridium Botulinum Type C Bacterin–Toxoid - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-9-animals-and-animal-products/cfr-sect-9-113-110/

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