Eryvac is registered for the control of Erysipelas polyarthritis in lambs and sheep. Erysipelas infection may result in damage to the joints of sheep leading to arthritis.

• Ewes: inject 1mL subcutaneously in the side of the neck just behind or below the base of the ear.
• Give previously unvaccinated ewes a first dose at the time of joining; give a second dose about 4 weeks before the expected date of lambing.
• Previously vaccinated ewes need only to be vaccinated 4 weeks before the expected date of lambing.
• Ewes properly vaccinated should pass temporary immunity to their lambs in the colostrum, such lambs should be protected for the first 6 to 8 weeks of their lives.