Rolled oats, corn, triple crown
Corn usually provides the most energy for horses. also Rolled oats.
My horses are pastured and I don't feed them any grain if they are not active. However, the horses they I use for eight hour days I do feed a considerable amount of grain and hay as well as grass.
Better to feed hay than grain but grain is better than inadequate food. Horses should be fed once a day at the same time.
The same thing as other horses. Hay, grain, horse feed, etc.
Oats
It is not usually used for horses. Horses do better with Timothy or red top hay. Feed it to the cows. Thresh the grain out, then bale up what is left. Grind up the grain and give it to the cows, or put it in slop for the hogs.
corn corn
no i have 2 horses grain or oats would be better
you can feed horses sweet feed, plain grain, otes, Brome hay, grass, a LITTLE bit of apples like one maby two.
Unless he eats huge quantities of it probably not, but it's best to feed him feed formulated just for horses.
Well grain will put weight on, not help him lose it. If the horse is overweight then you should slowly cut back on the grain and feed more grass hay instead. If the horse is in moderate to heavy work and needs the grain then choose a manufactured pellet type feed designed for overweight horses.
Depends on what kind of feed you feed them. If it's just hay and grain, no. Moldy, dusty hay isn't good for horses, but it won't kill them, it'll just make them a bit sick.