PRESENTED BY AHMED RAMADAN SAYED ALI HUSSEIN RASHED
CLOSTERIDIAL DISEASE
.Gas gangrene OR malignant edema Definition: *Infectious disease ofcattle, sheep & equine * Caused by Separate or mixture of C.chauvoei,perfringesorsepticum. *Characterized byedematous and crepitating swelling of muscles.
Cause: Route of infection: Separate or mixture of C.chauvei, perfringesorsepticum. Route of infection: Deep wound infection (castration , shearing).
Pathogenesis: Muscle necroses. Deep wound infection (anaerobic conditions) Germination of spores Multiplication Exotoxines Muscle necroses.
P.M Lesions: 1-Extensive edema fluid in the S/C tissue & fascia of head, neck & thorax (malig.edema) & formation of gas bubbles (gas gangrene). 2-Affected ms.are dark red e’ rancid odour 3-Signs of toxemia (as septicemia+parenchymatousdeg.)