Merck Covexin 8 Vaccine

For the vaccination of healthy cattle and sheep as an aid in the prevention of diseases caused by Clostridium chauvoei, C. septicum, C. novyi type B, C. haemolyticum (known also as C. novyi type D), C. tetani and C. perfringens types C and D.

Immunity is also provided as an aid in the prevention of diseases caused by the beta and epsilon toxins of an additional organism, C. perfringens type B. Although C. perfringens type B is not a significant problem in North America (US), immunity is derived from a combination of type C (beta) and type D (epsilon) C. perfringens fractions.

Dosage

• Cattle - 5 ml injection administered subcutaneously or intramuscularly followed by a second 5 ml dose given six weeks later. Revaccinate annually with 5 ml prior to periods of extreme risk or parturition
• Sheep - 5 ml injection administered subcutaneously followed by a second 2 ml dose given six weeks later. Revaccinate annually with 2 ml prior to periods of extreme risk or parturition

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