I was asked to back a statement I made in another thread instead of Hijacking that thread thought I would post some links for those interested :)
First off notice I am NOT posting FEED COMPANY SITES
I am also NOT POSTING SITES selling stuff :)
Horse Feed Tag Help
Publication: Basics of Feeding Horses: Reading the Feed Tag
Equus Caballus Magazine - Cutting the cost of horse feed.
The Horse: Purina Recalling Horse Feed in Eastern States
I will post more in a bit