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Blackleg Vaccine
For the active immunisation of cattle and sheep against disease associated with infections caused by Clostridium chauvoei (Blackleg and post-parturient gangrene).
Significant levels of immunity cannot be expected until two weeks after the second dose of vaccine in the primary vaccination course. From experience from field use, the duration of active immunity is expected to last one year. The duration of passive immunity is at least 4-6 weeks in lambs, provided that lambs receive adequate quantities of colostrum in the first 12 hours after birth.
Legal Category POM-VPS
Dosage & Administration:
The vaccine should be administered by subcutaneous injection in the lateral side of the upper neck observing aseptic precautions.
Cattle and sheep: 2 ml/dose.
Cattle
– Two injections separated by an interval of 2-3 weeks to animals from 3 months of age onwards.
– Immunisation to be completed 2-3 weeks before the period of risk.
– Revaccination with a single booster injection 2-3 weeks before the period of risk.
– The interval for booster injections should be no more than 12 months.
Sheep
– Subsequent pregnancies: a single booster injection 3-4 weeks before lambing.
– Ewes can be vaccinated during late pregnancy.
– Lambs may be vaccinated from 3 weeks of age onwards: two injections with an interval of 3-4 weeks to be completed 2-3 weeks before the period of risk.
– Two injections should be given, preferably separated by an interval of at least 6 weeks, with the second vaccination being given 2-3 weeks before lambing.