For vaccination of healthy, susceptible swine in PRRS virus-positive herds as an aid in preventing reproductive and respiratory diseases caused by PRRS virus. A 19-week duration of immunity against reproductive disease has been demonstrated in swine vaccinated prebreeding. A 26-week duration of immunity has been demonstrated against respiratory disease.
Directions: Aseptically rehydrate the freeze-dried vaccine with the sterile diluent provided. Shake well and aseptically administer a single 2-mL dose intramuscularly to pigs 1 day of age or older. Efficacy has not been demonstrated in seropositive piglets. In young pigs, re-vaccinate after maternally derived antibodies to PRRS have declined. Safety of this product has been demonstrated when sows or gilts are vaccinated prior to breeding or at any stage of pregnancy. Protection against reproductive disease, however, was demonstrated when animals were vaccinated 6 weeks prior to breeding. Consult your veterinarian for appropriate use and timing of vaccination.
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