Originally Posted by Karamee
I have a old paint horse and we have tried everything we can think of to get him to fatten up but he just won't. He's lost so much weight and is now showing lameness in his front right leg. I have tried worming him for tapeworms multiple times and for regular worms. I have tried a molasses block changing his feed to sweet feed and corn and range cubes. I don't know what else to try so please help.
How old is the horse? How is he kept? Pastured full time or stabled? Have his teeth been attended recently? What condition are they in? Has he been scoped/treated for ulcers? Has he seen a vet &/or been tested for metabolic or other issues? How much hay does he get & what type? What's his nutrition like & does he get a good supplement? Does he get probiotics? How much & how frequently do you feed him?
Agree with Bubba & I would avoid molasses, sweets & other 'junk food'. Horses need high fibre, low carb type feeds, fed little & often. Depending on the state of his teeth, roughage may need to be chopped, such as chaff, and as verona suggested, beet pulp & rice bran(not wheat!) are good ingredients, along with soy hulls and alfalfa *tho alfalfa should be part of a balanced ration, not the bulk.