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==Diagnosis==
==Diagnosis==
Diagnosis is made on clinical signs and muscle biopsy. Affected muscle is black, dry and infiltrated with small bubbles. The lesions can be present in any muscle. Often in sheep, lesions are deep and quite small. Suspected cases can be confirmed using demonstration of ''C. chauvoei'' in affected muscle using the fluorescent antibody test.
Diagnosis is made on clinical signs and muscle biopsy. Affected muscle is black, dry and infiltrated with small bubbles. The lesions can be present in any muscle including the tongue or diaphram. Often in sheep, lesions are deep and quite small. Suspected cases can be confirmed using demonstration of ''C. chauvoei'' in affected muscle using the fluorescent antibody test on smears produced from the primary lesion.
==History and Clinical Signs==
==History and Clinical Signs==
==Pathology==
==Pathology==
In the early stages the musce periphery appears dark red and is distended by serous or serosanguinous exudate. Is wet on the cut surface
In the early stages the periphery of the muscle appears dark red and is distended by serous or serosanguinous exudate. Is wet on the cut surface with a rancid smell. The center of the lesion is full of gas bubbles, porous, dry and reddish black.
Additionally gram positive bacteria may be found in clumps.
==Treatment==
==Treatment==
Vaccination can preven black leg in cattle and sheep. In the face of an outbreak all susceptible animals should be treated with penicillin and vaccinated.
Vaccination can prevent black leg in cattle and sheep. In the face of an outbreak all susceptible animals should be treated with penicillin and vaccinated.
==Prognosis==
==Prognosis==
==References==
==References==
Merck & Co (2008) The Merck Veterinary Manual (Eighth Edition) Merial
Merck & Co (2008) The Merck Veterinary Manual (Eighth Edition) Merial
[[Category:Sheep]][[Category:Cattle]][[Category:To_Do_-_Review]]