It has a bunch of vitamins and good stuff in it. I can't remember the specifics, but goats love it. I have to mix 1/2 kelp, 1/2 minerals, because if I offer them separately they only eat the kelp. I get it from Hoegger's, and get two or three bags at a time. It lasts my three goats a long time! The 12 lb bag I got has lasted 4 months so far (mixed with minerals) and there's a lot left. I leave it out free choice. This website is interesting
http://www.thorvin.com/feed.htm
http://www.thorvin.com/feed.htm
