Clostridium Perfringens Type A Pathogenicity Study in Non-Neonatal Pigs

A 2026 study by Taotao Yang provides definitive experimental evidence revising the age-dependent epidemiology of Clostridium perfringens type A infections in swine. The research demonstrates CPA strain SP20 and its purified α-toxin can cause rapid, dose-dependent mortality and hemorrhage in nursery and fattening pigs, fulfilling Koch's postulates. Findings have implications for differential diagnosis, vaccine design, and outbreak management.

Use Cases

• Validate Koch's postulates for CPA infections based on experimental evidence of α-toxin lethality.
• Design age-specific vaccines for swine based on the demonstrated breach of the traditional age barrier.
• Improve differential diagnosis protocols for sudden pig death based on the identified primary lethal agent.
• Model dose-dependent mortality curves based on the described experimental administration of CPA strain SP20.

Strengths

• Provides definitive experimental proof for a previously speculative pathogen capacity.
• Identifies a specific CPA strain (SP20) isolated from adult sows.
• Establishes α-toxin as both necessary and sufficient for causing sudden death in non-neonatal pigs.

Limitations

• Dataset size is 13.6 KB, indicating a very limited scope of data.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Taotao Yang

Collection Method

Experimental study isolating CPA strain SP20 and administering purified α-toxin.

Freshness

Last updated 2026-06-01 02:10:20; freshness should be verified.