It is always best to consult your local veterinarian when developing a vaccination and deworming schedule. The American Association of Equine Practitioners (AAEP) has three articles on vaccinations and schedules. Its Web site is MyHorseMatters.com
The following articles can be found on the that Web site.
AAEP Guidelines for Vaccination of Horses
Does Your Vaccine Program Need an Overhaul?
Immunizations: Protect Your Horse Against Contagious Diseases
