The April 2007 issue of Practical Horseman magazine contains information on planning your horse's vaccination schedule (and deworming) for optimal protection, based on his location and lifestyle ("Vaccinations: Perfect Timing"). This printable PDF chart gives you a handy schedule for organizing that information and scheduling his shots:
Download the Vaccination and Deworming Schedule
(If you have trouble opening the PDF file, email your name and fax number to firstname.lastname@example.org.)
Questions about worming? Check out "Stave Off Superworms" in the May 2007 issue of Practical Horseman.