This is what we practice. We have @4500 acres. We are on management program and get 35-50 doe tags yearly. What we were told by the state game managers is that the old does need to be allowed to walk to maintain quality breeding stock. They say a young doe will eat more browse and not be quality breeding stock. We were advised to shoot as many yearling does as we could. Not sure if this is property specific but this came from state wildlife biologists. The only problem with harvesting that young is being sure it's not a "button buck." It does seem to be working well for us.