For subcutaneous injection.

Dose rates/directions for use:
Use only as directed.

For vaccination of female cattle only.
Rehydrate by adding the accompanying sterile diluent to the dried vaccine.
Mix well before use.
The diluent is a buffered solution specifically prepared for use with this vaccine.
Use only this diluent to assure viability of the vaccine.
Use immediately after rehydrating.

Proposed Dosing Schedule:
1. Brucella abortus negative herds:
i) Herds which have not been vaccinated against Brucella abortus:
Vaccinate heifers 4 – 10 months of age with 2 m? administered subcutaneously. Revaccinate with full dose between 12 – 16 months of age.
Adult cows, non-pregnant – administer 2 m? subcutaneously.
ii) Herds with established immunity by previous vaccination against Brucella abortus:
Vaccinate heifers 4 – 10 months of age with 2 m? administered subcutaneously. Revaccinate with full dose between 12 – 16 months of age.
2. Brucella abortus positive herds:
Vaccinate heifers 4 – 10 months of age with 2 m? administered subcutaneously.
Revaccinate with full dose between 12 – 16 months of age.
Adult cows, non-pregnant – administer 2m? subcutaneously.
Yearly boosters can be administered if desired but it is not a prerequisite.
There is a risk of abortion if pregnant animals are vaccinated with RB-51.