Poison question for Charlie Kilmaster

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C.Killmaster

Georgia Deer Biologist
Can a hog not consume enough nitrite to be poisonous to whatever eats it? You may find a way to get it only into the hog, but how you gonna keep the hog out of the coons, coyotes, fox, opossum, bear ect.. ect...?

That's called secondary toxicity. From what I understand, sodium nitrite is what they chose because it gets metabolized by the hogs body and breaks down and isn't poisonous to other critters that eat the hogs.
 

across the river

Senior Member
That's called secondary toxicity. From what I understand, sodium nitrite is what they chose because it gets metabolized by the hogs body and breaks down and isn't poisonous to other critters that eat the hogs.


He is an article on it when used for possum control across the pond, but the takeaway was:

"The results of this study indicate there is no, or at worst a very low, risk of secondary poisoning for dogs, cats and birds that eat the carcasses and/or vital organs of possums poisoned with baits containing 10% NaNO . The results indicating a lack of
secondary poisoning risk are consistent with the relatively low
acute toxicity of NaNO2 versus other vertebrate toxic agents and the rapid excretion of NaNO2 (Kohn et al. 2002; MRI 2004). The LD50 for NaNO2 in possums is approximately 121.6 mg kg-1 (95% CI 45.36–169.6 mg kg-1) (Shapiro et al. 2016) compared to 1.2 mg kg-1 for 1080 in possums (Eason et al. 2011). As well as no obvious signs of methaemoglobinaemia being observed in dogs, cats or chickens, the blood chemistry parameters analysed for dogs and cats indicated that after they consumed possum carcasses their liver and renal function remained normal and there was no damage to muscle tissue."

https://newzealandecology.org/nzje/3321.pdf
 

Throwback

Chief Big Taw
I'm pretty sure we're always going to have pigs in Georgia whether this toxicant gets approved or not. Using the toxicants isn't going to be something that leads to the eradication of pigs, it's another management tool along with shooting and trapping. You have to train pigs to operate the special feeder before you can put out the toxicant and it's going to be limited to use by trained professionals, not just available to the general public. I'm sure there are some people that would love to eradicate pigs, but I think most would be happy to just push population numbers and distribution back to where it was 20 or 30 years ago.View attachment 1081567View attachment 1081568
At least three of those 2019 Georgia counties have hogs in them now. One in particular because one of our village idiots thought it would be a good idea to have a couple of trailer loads of wild hogs turned loose on his 20 acre ponderosa ?
 

livinoutdoors

Goatherding Non-socialist Bohemian Luddite
I think poison is the wrong idea myself, but i do agree that the numbers need to be kept in check.
As a side note its funny the things we consider foriegn invaders to our landscape or invasive. Our country is covered in acres and acres of grass from europe, asia, and africa. There are trees and shrubs and vegetables from every corner of the earth. People from all over too. In huge numbers. That take land and bulldoze it into a parking lot for a new whatever. Pigs aint got nothin on people tearin up the land.
 

C.Killmaster

Georgia Deer Biologist
He is an article on it when used for possum control across the pond, but the takeaway was:

"The results of this study indicate there is no, or at worst a very low, risk of secondary poisoning for dogs, cats and birds that eat the carcasses and/or vital organs of possums poisoned with baits containing 10% NaNO . The results indicating a lack of
secondary poisoning risk are consistent with the relatively low
acute toxicity of NaNO2 versus other vertebrate toxic agents and the rapid excretion of NaNO2 (Kohn et al. 2002; MRI 2004). The LD50 for NaNO2 in possums is approximately 121.6 mg kg-1 (95% CI 45.36–169.6 mg kg-1) (Shapiro et al. 2016) compared to 1.2 mg kg-1 for 1080 in possums (Eason et al. 2011). As well as no obvious signs of methaemoglobinaemia being observed in dogs, cats or chickens, the blood chemistry parameters analysed for dogs and cats indicated that after they consumed possum carcasses their liver and renal function remained normal and there was no damage to muscle tissue."

Yep, that's what I recalled. No secondary poisoning, but if birds get a hold of the original bait it will kill them. That's why keeping it out of reach for other species is the only way it will work.
 

Nicodemus

Old and Ornery
Staff member
I think poison is the wrong idea myself, but i do agree that the numbers need to be kept in check.
As a side note its funny the things we consider foriegn invaders to our landscape or invasive. Our country is covered in acres and acres of grass from europe, asia, and africa. There are trees and shrubs and vegetables from every corner of the earth. People from all over too. In huge numbers. That take land and bulldoze it into a parking lot for a new whatever. Pigs aint got nothin on people tearin up the land.


I kill every chinese tallow tree I come across. I also cut down the sawtooth oaks I planted around my pasture, but two, and they are next to feel the ax.
 

Throwback

Chief Big Taw
I kill every chinese tallow tree I come across. I also cut down the sawtooth oaks I planted around my pasture, but two, and they are next to feel the ax.
I have an app on my phone that helps me ID Plants, trees, animals, insects etc. but I use it mostly for plants and trees. It’s amazing how many non native plants there are.
 

The Original Rooster

Mayor of Spring Hill
I kill every chinese tallow tree I come across. I also cut down the sawtooth oaks I planted around my pasture, but two, and they are next to feel the ax.
I understand the tallow trees but why the sawtooth's brother?
 

livinoutdoors

Goatherding Non-socialist Bohemian Luddite
I kill every chinese tallow tree I come across. I also cut down the sawtooth oaks I planted around my pasture, but two, and they are next to feel the ax.
Yep, i guess at this point all we can really do is try to manage the bad stuff and use the good.
 
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