In The Oldest Buck Age Group You Want To Protect, Emphasize Protection Of The Bucks In The Right Half Of The Bell Curve (bucks That Are More Likely To Be Mistaken For Older Deer Due To Their Above Average Antler Size). If You Are Protecting Yearlings, Make Sure You Protect The Best Yearlings. If You Are Protecting Up To 2½ Year Olds, Make Sure You Protect The Best 2½ Year Olds. This Chart Shows Actual Data For 3½ Year Old Bucks In Mississippi.