Dogs with brain still like killing things,, they just dont get smashed up or knocked p doing it,,,,,,,, answer this,,, out of all the straight bull x greys is it not a strangley coincidental that a good percentage are layed up injred or knocked up half there working life,, ,,, theres prey drive , then theres plain stupid,,,,,,,,,, Brain does not equal lack of balls.
so while the dog with a brain may miss them in the hedge they'll still catch more over a season while that hedge hitter is lame!