Ditto pretty much everything SUJ said. All your costs - tack, supplies, care, require MORE. Add to that, some vet bills are higher - more sedation required to put a bigger horse out enough for teeth floating means higher cost, etc. I don't necessarily agree with the more feed but that varies horse to horse, and in what you are used to feeding. I do spend a lot of time bathing feathery fetlocks. lol
I think if there was one thing I wish I had known before getting a drafty, it would be a reliable source for good quality, affordable tack. There is a LOT of crappy quality draft tack out there. Good stuff is harder to find, and comparatively a lot more expensive!
ETA: on the grain front - drafts are bigger, heavier horses, with a slower metabolism then most lighter breeds, that can make them more prone to founder with the wrong feeding regimen. Sweet feed is an absolute no, but then I personally believe it should be an absolute no for ANY horse. You have to be a bit more vigilant on their diet, with regards to what they are taking in, sugar levels in hay and feeds (I have my hay content tested) and in some easier keepers, grazing muzzles can be a must in the summer months.
Last edited by Indyhorse; 07-07-2011 at 08:27 PM.