Difference between revisions of "Rumenitis"

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[[Category:Forestomach_-_Inflammatory_Pathology]][[Category:Gastric Diseases - Cattle]]
 
[[Category:Forestomach_-_Inflammatory_Pathology]][[Category:Gastric Diseases - Cattle]]
[[Category:To_Do_-_Alimentary]][[Category:To Do - Major]]
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[[Category:To_Do_-_Clinical]]

Revision as of 16:54, 17 January 2011

Neutrophilic inflammation

  • Opportunistic pathogens take advantage of acidotic lesions and other disturbances of rumen flora.
    • e.g. F. necrophorum, fungi
    • Infection with Mucor gives mucormycosis- chronic ongoing granulomatous rumenitis.
    • Also agents which cause lesions in other areas of tract e.g. BVDV, actinobacillosis.

Pathology

Gross
  • Multiple, dark red areas of swollen papillae, mainly in ventral sac and pillars.
Histological
  • Coagulative necrosis of papillae
  • Marked neutrophil infiltrate
  • Serofibrinous exudate
  • Thromboembolic spread to form areas of coagulative necrosis and abscesses in liver.