i use corn oil. make sure it is corn oil and not vegi oil (my horse diden't like the veg oil. and i've heard the same thing from others)
it will halp put weight on him, and it will make his coat really shiney and pretty.
~A truly Fancy Pirate-Pirate-By All Time Fancy-Bay overo yearling.
~Mia-6 year old Thoroughbred mare. Ex polo Pony