Join Date: Feb 2009
Location: Eventing Country
• Horses: 0
Just as My Beau said, make sure your vet examins both horses to ensure there aren't any inside issues going on. Ulcers, Digestive Problems, Worms etc, etc.
My TB is a hard keeper, and he does well when he gets to be infront of a round bale 24/7. Especially in a dry lot.
Horses are grazers, they have to have roughage in their bellies all the time, that is how they are designed, so they do better when they are able to have that access.
Have you looked into a complete feed? I personally really like Purina Senior, where it is designed for horses who are hard keepers, being senior horses where they cannot digest properly, chew or process their feed like younger horses can - I know people who have their 5 year olds on in, their 9 year old and so on and so on. It isn't just for senior horses, and where it is great in the fact that it is a complete feed with extruded nuggets, it is great for all ages of horses.
I say, increase your horses hay intake, greatly - and see where it goes from there. Roughage is the first and most important ingredient in weight gain. If your horse doesn't gain weight from that, then I would look to up something else or add something else.
Of course, after your vet has examined both thoroughly - teeth, scoping for ulcers and digestive issues, stress, etc etc.