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==Pathology==
==Pathology==
Gross hyperacute form lesions:
No specific lesions but congestion of the carcass and change in skin colour.
Gross acute form lesions:
Congestion of the carcass, in particular the spleen, lungs are oedematous and petechiae may be found below the kidney, peritoneum and on the heart. Lymph nodes will also be swollen and haemorrhagic.
Gross chronic form lesions:
Growths on heart valves may be evident as well as changes in joint architecture. Joint capsules will be thickened in the presence of granulation tissue and in some cases erosion of articular surfaces may have progressed to ankylosis.
==Treatment==
==Treatment==
A Penicillin and tetracyclines are the drugs of choice and the response o treatment is normally rapid.
A Penicillin and tetracyclines are the drugs of choice and the response o treatment is normally rapid.
==Control==
==Control==
Hygience is very important to control eryipelas. It is advisable to cull chronic cases which will be acting as carrier pigs infecting other animals. Additionally any pigs being treated should be isolated to reduce the spreas of disease.
Hygience is very important to control eryipelas including good sanitation and regular disinfection of pens. It is advisable to cull chronic cases which will be acting as carrier pigs infecting other animals. Additionally any pigs being treated should be isolated to reduce the spreas of disease.
Live attenuated or inactivated vaccines are also available. Immunity lasts for months and is normally given to recently weaned pigs or gilts and sows prior to service.
Live attenuated or inactivated vaccines are also available. Immunity lasts for months and is normally given to recently weaned pigs or gilts and sows prior to service.