If you want fast growth, only stock 12-15 of them. 25 would be 100/acre and for growing larger LMB that is too many.

Relative weight chart link


www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).