My father and I decided to have some habitat improvement done on the 100 acres we have in Bradford County. We brought in a bioligist and had them recommend some things, and the #1 thing they said was selective logging
If you only have 100 acres you have little if any control of the herd in that area. You claim you only harvest 3.5 buck, which means you have only harvested 1 or 2 buck over the last six years ,because 3.5 buck are relatively rare in PA.
You claim to harvest 6-8 doe /yr. off 100 acres. Using the average of 7 doe/yr., your harvest rate equals 45 DPSM. the harvest rate for 3b,which includes the southern potion of Braford Co. was 2.9 DPSM. So either you are running a 100 acre deer farm or you have a vivid imagination.