What Can Be Done To Curb The Wild Hog Population?

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I certainly wouldn't make decisions based on what that guy is saying. I'd look at the actual studies first.
It appears the EPA has studied the issue?

"EPA approved Kaput Feral Hog Bait’s pesticide labeling with the signal word “Caution,” which is the lowest category of toxicity to humans requiring a signal word. Although the EPA did not list this product as a federal restricted-use product, we made the decision to list warfarin as a state-limited-use pesticide in Texas"
 
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YukonGlocker

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It appears the EPA has studied the issue?

"EPA approved Kaput Feral Hog Bait’s pesticide labeling with the signal word “Caution,” which is the lowest category of toxicity to humans requiring a signal word. Although the EPA did not list this product as a federal restricted-use product, we made the decision to list warfarin as a state-limited-use pesticide in Texas"
I'm not doubting that they have. However, we should look at the actual studies, instead of this guy's interpretation of those studies.
 

CBarCRanch

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The latest USDA program includes $1.5 million for the research center headquartered in Fort Collins CO, where scientists have made sodium nitrite studies a top priority.

Sodium nitrite, used as a salt to preserve meat, can keep red blood cells from grabbing oxygen in live animals. Unlike people, pigs make very low levels of an enzyme that counteracts the chemical. Feral hogs that eat a large enough dose of sodium nitrite show symptoms similar to carbon dioxide poisoning.

So far, baits haven’t hit the 90 percent kill rate on test pigs needed for EPA consideration. Once it does, approval could take up to five years.

One problem is creating baits in which feral hogs will eat a lethal dose. Sodium nitrite tastes nasty and breaks down quickly in the presence of air or water, making it easier for pigs to smell and avoid, said Fred Vercauteren, project leader in Fort Collins.

Microencapsulating the compound masks its smell and keeps it stable longer.
The link for Sodium Nitrite does not work.
 

YukonGlocker

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This has some interesting info: http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=2156&context=icwdm_usdanwrc. A few points from the article:
  • in US field trials (at time of publication), 1 cow and 4 birds died from eating the poison
  • other (non-swine) animals died in Australia and New Zealand trials from eating it
  • scavengers that eat dead pigs, and get into the pig's stomach, could die
  • it's toxic to aquatic organisms...further testing underway (at time of publication)
 

CBarCRanch

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This has some interesting info: http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=2156&context=icwdm_usdanwrc. A few points from the article:
  • in US field trials (at time of publication), 1 cow and 4 birds died from eating the poison
From your link:
"The overall nontarget mortalities for all field trials
combined, consisted of 1 cow (A) and 4 common
birds (A and C) for the removal of approximately 300
feral pigs. Therefore, collateral damage was less than
1.7%."
I bet feral hogs are directly responsible for killing more than 1.7% based on a given population.
 

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