Vanguard B Injectable is a Bordetella bronchiseptica bacterin for dogs, formulated as a cellular antigen extract from Zoetis. This dog vaccine is a ready-to-use suspension designed for subcutaneous administration at a 1 mL dose. Offered in 25 x 1 mL and 50 x 1 mL vial formats, it supports streamlined clinic inventory and efficient canine vaccination protocols. For use in dogs only.