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Bacterial skin infections - Pathology (view source)

Revision as of 11:15, 30 June 2010

669 bytes removed , 11:15, 30 June 2010

→‎Bacterial pododermatitis

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*Digital infections in ruminants

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*'''~~Contagious footrot'''~~

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*'''[[Contagious Footrot]]'''

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**Usually caused by [[~~Bacteroides|''Bacteroides nodosus'']] together with [[Fusobacterium|''Fusobacterium necrophorum''~~]]

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**Moisture and trauma allow ''B. nodosus'' ~~to enter -> aids bacterial penetration of epidermis ->~~ ''~~F. necrophorum'' invades -> necrosis and inflammation~~

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**Grossly:

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***Early lesions - red, moist, swollen, eroded interdigital skin

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***Spreads to epidermal matrix of hoof -> separation of horn + malodorous exudate

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***Regeneration attempted as germinal epithelium is not destroyed

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***Chronic infections -> long , misshapen hoof

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**Benign footrot (scald)- only interdigital ski affected, slight separation of heel horn

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***Mostly the type occuring in cattle

*'''Necrobacillosis''' of the foot

**Usually caused by [[Fusobacterium|''Fusobacterium necrophorum'']] with other bacteria

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****Fissures, necrotic swollen edges in interdigital spaces

****Inflammation may spread to joint spaces

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===Systemic bacterial infections===

Bara

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