While gizzard shad can cause problems, the survival and subsequent reproduction potential could be limited. How fertile is your pond/do you fertilize? Many ponds in the Anderson area, due to topography, runoff,and/or adjacent streams experience high turn over or flow-through rates. Fertility level and obvious abundance of bass (that will readily consume a 4" gizzard shad) could reduce gizzard reproductive potential. You can always employ the rotenone to reduce/remove them next year. I'll bet at those bass/bluegill stocking rates young gizzards will have a tough life in your pond. The 6"+ gizzards will obviously be around awhile.
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