Despite owning horses for over 20 years, I know next to nothing about grain/feed.
Most of the horse owners in my area just give sweet feed.
My horses never have really needed grain. They get grass in the summer, and hay in the winter and don't have any trouble keeping weight on. I'd like to have something around just to offer for a "treat" now and again. I've been told to just give plain oats. Is that a good idea?
A little about my horses.
Royale: 29 year old Arab gelding. I'm thinking he might start to need some sort of supplementing soon, due to his age. A friend of mine swears by Triple Crown Senior, so I've been thinking of getting that. He's retired and doesn't get ridden. He is on 24/7 pasture (30 acres) with free choice shelter.
Cody: 22 year old QH gelding. Starting to get stiff in his rear legs. The vet's coming out soon to check him out to make sure it's not something other than arthritis. He is a very easy keeper, so I hesitate to put him on any kind of feed that will lead him to be overweight. He is on 24/7 pasture (30 acres) with free choice shelter.
Maverick: 15 year old Paint/Arab gelding (my SIL's horse). He is also an easy keeper, and hasn't been ridden in awhile. My SIL is planning on starting riding him again, but probably not until spring. He is on 24/7 pasture (30 acres) with free choice shelter.
Warrior: yearling Shetland pony colt. He will be kept in a paddock with free choice shelter until the other horses get used to him.
Scout: weanling Shetland Pony colt. He will be kept in a paddock with free choice shelter until the other horses get used to him.
Eclipse: 7 year old Paint/TB gelding. He is being boarded and is on box stall board, which means he is turned out when it's nice and in a stall when it's not. He will be entering training soon, which means he will be worked with/trained 2-3x per week. I just bought him, and his previous owner had been graining him daily.