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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
 
*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
 
*'''Necrobacillosis''' of the foot
 
**Usually caused by [[Fusobacterium|''Fusobacterium necrophorum'']] with other bacteria
 
**Usually caused by [[Fusobacterium|''Fusobacterium necrophorum'']] with other bacteria
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****Fissures, necrotic swollen edges in interdigital spaces
 
****Fissures, necrotic swollen edges in interdigital spaces
 
****Inflammation may spread to joint spaces
 
****Inflammation may spread to joint spaces
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===Systemic bacterial infections===
 
===Systemic bacterial infections===
  
Bara
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