From what I've been reading on various threads it would depend on how many deer, meaning quantity, and what storage/mixing facility you would have. I got my 2 does end of January, have not really a place to store feed, let alone mixer etc.. I checked around for feed that is readily available at all times, so I ended up with a 16% dairy feed, a mix from local feed mill and TSC Record Rack Sportsman deer & elk feed. I had TSC put me on rain check so they'll keep half a dozen bags for me in the back, that way I should not be bothered by empty shelves. The Sportsman deer & elk pellets are 20%, same as Purina which they have during hunting season only. I mix cracked corn, dairy feed, sunflower seeds in. Fawns and adults I have 9 deer total here and mix/store the stuff in a big plastic totes. I could not find fawn pellets, so I had to come up with something that is available locally. TSC also has deer mineral and if I would want to up the protein I can get 50% soybean meal at feed mill. Took some foot work to find proper stuff in small town KY.