It is probably best if it's not. Grooming serves several purposes for the horse. It not only makes the horse look and feel better but this is the owner's chance to check the horse's skin and coat...
That is a loaded question. By that I mean that the answer will vary GREATLY, depending on who you ask. Some will tell you that in order to be a jumper, a horse absolutely must wear shoes. Other...
I'm not sure exactly what constitutes wild oats. Lets stick with native grasses. Most are fine for horse consumption. There are some toxic weeds and plants but they are usually not oats.