They are doing well in a couple of ponds up here, and the RES don't seem to have a problem reproducing. This will be the 3rd or 4th summer for them in the ponds. Haven't seen any diseased fish either.....

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).