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| | *Bacterial infections mostly affects lambs except for Mycoplasmal artheritis | | *Bacterial infections mostly affects lambs except for Mycoplasmal artheritis |
| | *[[Erysipelothrix rhusiopathiae|'''''Erysipelothrix rhusiopathiae''''']] | | *[[Erysipelothrix rhusiopathiae|'''''Erysipelothrix rhusiopathiae''''']] |
| − | **Clinical sighns:
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| − | ***Cutaneous erysipelas
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| − | ***Polyarthritis in lambs
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| − | ***Rarely fatal septicaemia
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| − | **Enters via:
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| − | ***Cuts, abrasions
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| − | ***Castration or docking wounds
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| − | ***Haematogenous spread -> subacute or chronic '''fibrinopurulent polyarthritis'''
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| − | **Morbidity up tp 50%
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| − | **Affects mostly unthrifty lmbs
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| − | **Fibrosis and [[Musculoskeletal Terminology - Pathology|osteophyte]] formation in later stages -> persistent lameness
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| − | *'''''[[Corynebacterium pyogenes]]'''''
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| − | **May cause post-dipping joint infections
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| − | *[[:Category:Streptococcus species|'''''Streptococcus'' spp.''']]
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| − | **Commonly cause suppurative polyarthritis in lambs
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| − | **Naval infection -> bacteriamia -> polyarthritis
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| − | ***May also cause blindness and nervous signs if uvea or meninges are affected
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| − | **Larger joints are more afected
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| − | ***May spread to other organs
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| − | *[[:Category:Staphylococcus species|'''''Staphylococci''''']]
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| − | **Sporadically infect joints
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| − | **May complicate 'tick-borne fever'
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| − | *[[:Category:Chlamydophila species|'''''Chlamydia sp.''''']]
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| − | **Sporadic or outbreaks of lamb polyarthritis
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| − | **High morbidity, low mortality
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| − | **Commonly together with conjunctivitis
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| − | **Most recover but may remain lame
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| − |
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| | ===In Pigs=== | | ===In Pigs=== |