I am almost regretting stocking CNBG, they are out of control! Seems like all they do is spawn, they have been on beds since May, there is another group bedding now.I didn't want LMB, so I stocked 50 HSB(1/4 acre pond), They are not making a dent at all in the BG population, not that I can tell. Maybe they ate the 50 BCP I put in:( The HSB were stocked at 5-7" and are now approaching 21".
Maybe bass have to be in the mix.
I know some people have had success with bucket-stocking a few same-sex LMB to control their BG populations. The best time to ID them is in the spring though. Other than that, you'd have to find some that are over 2 pounds to ensure they are all the same sex (females). Just a thought.