Guys this is a lot of good information. However, it is not very clear on what you buy in what amounts, where you get it, how you mix it. My original question was that a lot of the brand name mineral supplements tout that they help antler development through protein, calcium etc. I am trying to figure out how to buy this stuff without spending the money on the brand name. Any help would be appreciated. I have really looked into buying protein to mix with a feed but I can' t find out how to do that. There is a thing called soy bean meal and canola meal but from what I can tell you can only buy that in large quantities and in the futures market like people buy larges amounts of corn.