Deer and turkey eat much of the same things hogs eat.
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The difference is in the population and population growth.
snip
Despite taking millions of casualties - an estimated 750,000-plus feral hogs have been killed
each of the past few years in Texas - the non-native pigs have continued their economically and
environmentally destructive march across the state, with an estimated 2.6 million of them spread
across at least 240 of Texas’ 254 counties.
http://www.chron.com/sports/outdoors/article/Texas-losing-war-on-feral-hogs-4685490.php
end snip
Put a $100 bounty on hog heads, the problem WILL go away.
If the state tries to manage the problem, they will spend several times this amount per dead hog.