You know what would prevent a lot of this unrecovered mortality from marginal wounds.....Semo said it has been recorded as high as 40% in some situations....What would heavily reduce it is if we went to bowhunting only. The rate of mortally wounded deer that went unrecovered would likely drop to single digits….especially with the use of tracking dogs…..I bet a situation that bow hunted and used tracking dogs would cut it down to less than 5%.