it has been proven many time however that yearlings who are spikes end up smaller than the yearlings who have at least 4 points(forks).

edit: this doesn't mean that you want to shoot them no matter what however, as farm hunter stated above.

heres some links so you can determine for yourself:
http://www.tpwd.state.tx.us/conserve...inferior.phtml
http://www.tpwd.state.tx.us/conserve...genetics.phtml