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