http://www.ponddoc.com/WhatsUpDoc/Fi...Fattening.html

http://www.arborman.com/fishfood.htm

http://www.lonestarkoi.com/Articles/vitamins.html

These 3 seem the best to me. They do spell out their details. Not
research, but evidently knowledgable. Should help our discussion.
Jim

Thanks Jim, you're a far more better googler than I. :-) ~ jan