The vaccine can be administered at any time after the horse is at least 2 weeks old. [substeps] Vaccination involves 3 initial dose vaccinations, followed by a single annual booster vaccination.
[header] How to prevent botulism in horses [title] Get your horse vaccinated against a botulism infection. [step] Ask your vet to administer a type-b toxoid vaccine to protect your horse. Although it doesn't protect against all forms of botulism, it limits your horse's risk of contracting the illness.