Here's another one, same group, that concluded 18% starch was appropriate for horses with metabolic issues because insulin and glucose responses were lower than with 28% starch:

http://www.crfarms.org/new_gfx/trials/Equine/E08%20UK25%20-%20CRF.jpg

However, lower does not mean low enough.

Eleanor in PA
www.drkellon.com
EC Co-owner
Feb 2001