I got some Purina GFC at Tractor Supply once and it was 32% like you say. I went back another time and picked up some bags of GFC thinking it funny that the bag looked different. But this GFC was Cargill and was 36% protein. Same store. Don't know if Tractor Supply was in the midst of changing suppliers or what. I go back this spring and no fish food at all (yet) but nearly all the other horse, dog, chicken, etc feed is Purina. So not sure what I will eventually find in this store.
Still have not got my AM500 I ordered over a month ago now.
Edit for correction: The 36% protein stuff was not GFC, but in fact is called Sportsman Choice Trophy Fish and is marketed as a mufti-species fish food in the same category as the Purina GFC. It is produced by Cargill.
Last edited by snrub; 04/15/15 11:13 PM.
