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Animal Vaccine
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Black Quarter Vaccine

Black Quarter Vaccine is a generalized infection of cattle caused by Clostridium chauvoei.It is characterized by emphysematous swelling of the muscles especially those of gluteal region. The incubation period is 1-5 days. The onset is sudden. The initial symptom is lameness with or without fever. Swellings at first are small, hot & painful. They may develop in the muscles of shoulder, hip, chest, back & flank. In a few hours, the swellings become extensive. The general symptoms are complete anorexia, marked prostration, muscular tremors, congested mucosa, dyspnoea, rapid pulse & high fever. The death occurs within 12-48 hours. On incision of affected swollen part infiltration with discoloured serum with gas is found. This gives typical sweetish-sour smell. The muscles are emphysematous, dark or black, friable giving a spongy character. This vaccine is a suspension of formalin. Clostridium chauvoei culture organisms per dose adjuvanted with Aluminium hydroxide gel.