The same proposal has been submitted for McLennan and Hill counties.

So far, in just about every county that this regulation has been imposed, the overall buck quality was improved considerably. Judging from their initial study, the TPWD demonstrated that after 2.5 years, the quality of bucks had improved considerably, as well as the quantity of quality bucks; and, the quality of bucks continued to improve.

Background info and regulation...

http://www.tpwd.state.tx.us/huntwild/wild/game_management/deer/antler_restrictions/