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For active immunisation of healthy cows and heifers to reduce the incidence of clinical intramammary infections caused by Streptococcus uberis, to reduce the somatic cell count in Streptococcus uberis positive quarter milk samples and to reduce milk production losses caused by Streptococcus uberis intramammary infections.
Onset of immunity: approximately 36 days after the second dose.
Duration of immunity: approximately the first 5 months of lactation.