Most of the pond managers around here stock at 100lbs per acre. It was stocked last spring with 66lbs but a lot of minnows died in the first couple days and the fish cleaned out what was left quickly and they never had a chance to spawn. I had no minnows all summer. They offered to restock them in the fall dirt cheap. I went with 100lbs so if I had a die off I would still have enough to establish themselves. I realize most people on this sight stock much lighter just to last until the bluegill start to breed but a lot of ponds around here with a lot of stone piles and rocky shoreline never need restocking of the minnows.