I would think that the harvesting of some does might be in order. Especially some of the older does. If the parks, etc. show a surplus, it might help to thin out some. A bucks only system could cause problems down the road. The bucks only system has caused many problems in the past and we need to learn from the mistakes previously made. If your doe populaation is as big as it seems, some harvesting may work out to your benifit.
Russ