Author, Donkey, Bureaucrats, Administrators
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**Cull chronic cases
**Cull chronic cases
**Isolate affected pigs
**Isolate affected pigs
**Live attenuated or inactivated vaccines[[Category:Pig]][[Category:To_Do_-_Clinical]]
**Live attenuated or inactivated vaccines
**Most important and most common cause of arthritis
**Causes '''chronic serofibrinous polyarthritis'''
**Also causes '''discospondylitis'''
***Similar to [[Joints Inflammatory - Pathology#In Dogs|discospondylitis in dogs]]
**Thickening of synovial membrane lining + plus hyperaemia and villus formation + lymphocyte and plasma cell infiltration
**Acute stage
***Increased joint fluid + hot swollen joints
***Also expresses as septicaemic and urticarial lesion on the back (diamond shaped)
***May involve [[Endocarditis|endocarditis]] as a sequel
**Chronic stage
***More commonly encountered
***Erosion of articular surface of joints with formation of [[Musculoskeletal Terminology - Pathology|pannus +/- joint ankylosis]]
***Vaccination prevents septicaemic and urticarial forms but has no effect on joints
****Probably due to dead bacteria still stimulating host immune system
**Septicaemia lo9calises in meninges and joints
**Well known in piglets in their first two months of life
**Expresses as acute '''fibrinopurulent''' arthritis
[[Category:Pig]][[Category:To_Do_-_Clinical]]