I have committed to memory, Bob Lusks 4 keys to pond/lake success. Habitat, Food Chain, Harvest and Genetics. We lease an established 40 acre lake that has addressed all of these issues thouroughly and just recently added 300 3 inch pure Florida strain LMB to the existing fish population. Since we are on an aggresive fish harvest program; of 25 lbs per acre or 1000 lbs per year. Actually, we are only accomplishing 300 lbs per year. But better than nothing. Our membership will not be able to tell the difference between a pure florida and a native-florida cross (I can't tell either). So, what are the recommendations on harvesting once you introduce pure florida's, so that you do not remove the fish you just bought?
My guess is that you just live with the removing of some of the pure Floridas, as the actual percentage will probably be small as compared to the overall harvest. And the harvesting of fish outweighs the costs of removing some of the pure Floridas that you just introduced.