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→Diagnosis
==Diagnosis==
==Diagnosis==
Development of the typical diamond shaped lesion on the skin is pathognomic for this disease. Erysipelas should be considered in any cases where fever and lameness occur together, or in pregnant sows struggling to farrow in combination with a fever.
Development of the typical diamond shaped lesion on the skin is pathognomic for this disease. Erysipelas should be considered in any cases where fever and lameness occur together, or in pregnant sows struggling to farrow in combination with a fever.
==Laboratory Tests==
Slender Gram-positive rods can be seen on microscopy of acute lesions and filamentous forms in chronic lesions and on smears. High levels of antibiody may be found in joint fluid and so may aid diagnosis.
[[ELISA testing|ELISA]] and Polymerase Chain Reaction tests are also avilable which can be used directly on tissue or following culture.
===Clinical signs===
===Clinical signs===
Additionally valvular lesions may develop in the heart causing chronic valvular [[Endocarditis| endocarditis]], vegetative thrombosis of mitral valves and asymptomatic or congestive heart failure sometimes resulting in sudden death following stress.
Additionally valvular lesions may develop in the heart causing chronic valvular [[Endocarditis| endocarditis]], vegetative thrombosis of mitral valves and asymptomatic or congestive heart failure sometimes resulting in sudden death following stress.
===Pathology===
===Pathology===