Neogen Bot Vax B is a horse vaccine formulated as an intramuscular suspension for equine use. This equine vaccine contains Clostridium botulinum (bacterin) and comes in a convenient 10 mL vial with 2 mL per dose. It’s a practical choice for barns and breeding operations looking to support equine health with reliable livestock health products. No prescription is required in Canada; a prescription is required in Quebec.