Guys up here that raise LMB for the restaurant trade stock fingerlings so that when the LMB are at 1.5#-2# each they are carrying 5,000 pounds per acre. Ponds are no more than 10' deep, and they use both bottom diffusion and paddle wheel agitators to keep the O2 levels up.

www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).