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Iowa DNR Biologist Conversation

I’ve listened to a couple podcasts recently regarding the NW Arkansas CDW studies and it’s pretty disturbing. If I remember correctly, over 50% of 3 yr old and older bucks were CWD positive. It’s shocking that any state allows baiting and mineral sites given the implications. I personally find it very disturbing.
The elk management practices that congregated elk (and deer) around feeding areas likely contributed to the problem. CWD was spreading in NW Arkansas for many, many years before the first detection. Friends who live in the area just now seeing sick deer in the field, which usually only happens with the disease has been prevalent for a long time.
 
This probably is answer-able I just haven’t asked the right person. But what was the catalyst in nw ark that prompted testing? Dead deer, sick deer, random?

I just saw they found some positives in southeast Georgia recently. Why did they test there? Hunters just curious? State randomly testing?

When ehd runs through and area, the hunting world knows. When cwd runs through and area, it seems like we only know cause biologist tell us. I can’t help feeling like the covid thing. All the smarties told us it’s ravaging cities and communities, bodies stacked up head high…not one single person I know saw any of that, including a buddy who is an er doc.

I enjoyed chamberlain on meateater and got some good info but I’m still not convinced that we haven’t had this disease a lot longer and lot more widespread than we realize. Does that mean it won’t decimate deer herds, maybe, or maybe it’s yet to do its work…just seems odd it’s taken this long if it’s been around since the 60’s.
The first detection of chronic wasting disease (CWD) in Arkansas was in February 2016, and involved an Elk, whose harvest required mandatory testing. Soon after, a second case was a white-tailed deer found sick in the wild and euthanized. At that time, little testing was being done. Soon after, Arkansas began voluntary testing.

NW Arkansas is an example of "if we don't test, we won't know, and if we don't know, we can hope all is good." Many of those deer have made their way into Missouri, where the prevalence remains slow (about 1%) but is a significant concern.
 
The first detection of chronic wasting disease (CWD) in Arkansas in February 2016 involved an Elk, which required mandatory testing. Soon after, a second case was a white-tailed deer found sick in the wild and euthanized. Soon after, Arkansas began voluntary testing.
Wait. I just watched Uncle Ted say it can't cross species after he said the gubment injected mule deer with a goat disease. So it can't cross species but mule deer got it from a goat disease, which then spread to whitetail and elk? Uncle Ted😂
 
This probably is answer-able I just haven’t asked the right person. But what was the catalyst in nw ark that prompted testing? Dead deer, sick deer, random?

I just saw they found some positives in southeast Georgia recently. Why did they test there? Hunters just curious? State randomly testing?

When ehd runs through and area, the hunting world knows. When cwd runs through and area, it seems like we only know cause biologist tell us. I can’t help feeling like the covid thing. All the smarties told us it’s ravaging cities and communities, bodies stacked up head high…not one single person I know saw any of that, including a buddy who is an er doc.

I enjoyed chamberlain on meateater and got some good info but I’m still not convinced that we haven’t had this disease a lot longer and lot more widespread than we realize. Does that mean it won’t decimate deer herds, maybe, or maybe it’s yet to do its work…just seems odd it’s taken this long if it’s been around since the 60’s.
My non-science opinion is that it's been around for many years all over the country.

I suppose if I truly believed it was going to be the end of deer herds, I wouldn't have so much money invested in deer hunting land. Is it or could it be concerning? IMO, yes.

Overall concern level: 2/10

Carry on
 
I enjoyed chamberlain on meateater and got some good info but I’m still not convinced that we haven’t had this disease a lot longer and lot more widespread than we realize. Does that mean it won’t decimate deer herds, maybe, or maybe it’s yet to do its work…just seems odd it’s taken this long if it’s been around since the 60’s.
The origins in the 60s are fairly well founded, and was a species (sheep) to species (cervid) jump. Original expansion throughout the US and Canada was through moving, buying and selling captive deer and elk. The disease also spread outside North America through this process as well.

A second wave of expansion can be traced to hunters moving carcasses before this was regulated (and since by those ignoring the regulations). Once established, the disease takes 15-20 years to become "established" which is where we are today.

Yes, deer move, and the disease will continue to spread, but good management provides hope that in 60 years -- the time since CWD was first discovered -- we will still have healthy deer herds.
 
In areas with targeted removal the prevalence rate is stabilizing. Like it or not, it is working.
The CWD portion successfully focused harvest pressure on specific CWD Management Zone counties. For example, during the 2024 season, the highest county harvest totals for the CWD portion were Franklin (413), Jefferson (301), and Howell (279)--CWD hotspots.

The CWD portion increased harvests by 11,707 in 2023 11,424 in 2024.

During the post-season targeted removal 4,768 deer were taken through a combination of landowners and sharpshooters. 70 of those tested positive, a significant number considering of the 36,000 deer tested during the regular season, only 173 tested positive. 36% of all CWD positive deer were those taken through targeted removal.

Missouri's statewide prevalence rate is under 0.5%. In the targeted removal areas the prevalence rate was 1.8%.

Key factors that are fueling the flames: 1) The idea that Oklahoma and captive breeders have "immune deer." Nope, with the G96S gene they just live a little longer and spread the disease for about six to eight months more. Also, the G96S gene they are breeding for is already mutating, so the "longevity" of selective breeding may not be long term. 2) The best way to buy time for better solutions/cure is to increase harvest of all age class deer to just below carrying capacity. This flies in the face of 35 years of QDM of "let 'em go they they can grow."

Anyone and everyone in charge of making harvest decisions should always have the goal of getting the herd below carrying capacity.


Sent from my iPhone using Tapatalk
 
This probably is answer-able I just haven’t asked the right person. But what was the catalyst in nw ark that prompted testing? Dead deer, sick deer, random?

I just saw they found some positives in southeast Georgia recently. Why did they test there? Hunters just curious? State randomly testing?

When ehd runs through and area, the hunting world knows. When cwd runs through and area, it seems like we only know cause biologist tell us. I can’t help feeling like the covid thing. All the smarties told us it’s ravaging cities and communities, bodies stacked up head high…not one single person I know saw any of that, including a buddy who is an er doc.

I enjoyed chamberlain on meateater and got some good info but I’m still not convinced that we haven’t had this disease a lot longer and lot more widespread than we realize. Does that mean it won’t decimate deer herds, maybe, or maybe it’s yet to do its work…just seems odd it’s taken this long if it’s been around since the 60’s.
I understand CWD testing was mandatory for elk for several years as part of the elk permit requirements. After one tested positive, that result triggered additional testing, including adding voluntary testing for hunters.
 
I linked to it in a few pages back, but there have been a few research summaries published recently that summarize what we know about the CWD causing prions. They have found the prions in raccoon and coyote feces, so it is not only deer that are spreading prions around.
 
A county in NW Arkansas has a 30% prevalence rate of CWD and that population is starting to decline at a rate faster than the population can increase leaving no room for hunter harvest.
 
A county in NW Arkansas has a 30% prevalence rate of CWD and that population is starting to decline at a rate faster than the population can increase leaving no room for hunter harvest.
Anyone know anyone that hunts there? I listened to the same podcast and don’t doubt them I suppose. I just know 15 years ago till now southwest wisc was the hotspot. Firsthand know, it’s still doing just fine. Seems odd that they are doing fine and all the nw ark is losing all their deer to it.
 
Anyone know anyone that hunts there? I listened to the same podcast and don’t doubt them I suppose. I just know 15 years ago till now southwest wisc was the hotspot. Firsthand know, it’s still doing just fine. Seems odd that they are doing fine and all the nw ark is losing all their deer to it.
I have been told second hand but by a fairly knowledgeable and reliable source that an area of Richland County WI is lacking in adult deer. The theory told to me was CWD but could just as easily be hunting pressure or isolated EHD as anything else. Every listing I see for sale in Richland County has some nice mature buck photos on it, so who knows.
 
Anyone know anyone that hunts there? I listened to the same podcast and don’t doubt them I suppose. I just know 15 years ago till now southwest wisc was the hotspot. Firsthand know, it’s still doing just fine. Seems odd that they are doing fine and all the nw ark is losing all their deer to it.
I know someone who hunts there - on public land - and he said it is tough to see a deer now. That is probably more due to the relaxed hunting regs than deer cwd deaths. Private land owners with sunstantial holdings still have a lot of deer - but it is not an area where there are many 1000 acre tracks under one ownership. Most ground, public and 300 acre and smaller private, are experiencing a decline - at least from personal observation

It is odd that you hear folks in WI talk about high deer densities in original cwd counties. I think southern folks have more of a “killer” instinct
 
I have been told second hand but by a fairly knowledgeable and reliable source that an area of Richland County WI is lacking in adult deer. The theory told to me was CWD but could just as easily be hunting pressure or isolated EHD as anything else. Every listing I see for sale in Richland County has some nice mature buck photos on it, so who knows.
Well my county is Kentucky is ravaged if that is the metric!
 
I know someone who hunts there - on public land - and he said it is tough to see a deer now. That is probably more due to the relaxed hunting regs than deer cwd deaths. Private land owners with sunstantial holdings still have a lot of deer - but it is not an area where there are many 1000 acre tracks under one ownership. Most ground, public and 300 acre and smaller private, are experiencing a decline - at least from personal observation

It is odd that you hear folks in WI talk about high deer densities in original cwd counties. I think southern folks have more of a “killer” instinct
That’s definitely seems like a pressure thing than a disease thing to me. Scale of property shouldn’t matter in cwd
 
That’s definitely seems like a pressure thing than a disease thing to me. Scale of property shouldn’t matter in cwd
It is a combination of both. The larger landowners I know around me average harvest is a deer per 500 acres. The larger landowners see the biggest benefit n passing deer and they pass the most. If your deer density drops from a deer per five acres to a deer per six acres you just lost 20% of your deer but you still have a lot. There are a good many deer dying there. Pretty much everyone in the cwd tier 1 zone I have talked to with private property sees sick deer every year.
 
I think Missouri generally has it right....especially given CWD. Sure, hunters are happier if this topic is simply not brought up, but CWD is a reality that must be understood. Our hunting practices and priorities will have to adapt to protect our sport for the next generation (and the next decade). My fear is that Iowa may lag behind the curve of best practices.

Well, we'll just agree to disagree. You can forget anything that looks like QDMA, as long as these agencies pretend that they know what they're doing when it comes to CWD. Between EHD and the "kill them before they die" management, the herd is already on a downhill spiral. For years I always had 4-5 deer over 150 on my two farms. This year and last, I may have one. It's not all the so called "CWD management," but it definitely adds to the damage done. No APRs, nothing but kill all you can -- that's not any kind of management. Land owners can't put out mineral, but the cattle farmer across the street does. No congregating deer, unless you are MDC dumping piles of corn out to slaughter over.

I am no longer as supportive of the MDC. Nobody knows how to control CWD, but in the meantime they definitely know how to wreck the herd.
 
This probably is answer-able I just haven’t asked the right person. But what was the catalyst in nw ark that prompted testing? Dead deer, sick deer, random?

I just saw they found some positives in southeast Georgia recently. Why did they test there? Hunters just curious? State randomly testing?

When ehd runs through and area, the hunting world knows. When cwd runs through and area, it seems like we only know cause biologist tell us. I can’t help feeling like the covid thing. All the smarties told us it’s ravaging cities and communities, bodies stacked up head high…not one single person I know saw any of that, including a buddy who is an er doc.

I enjoyed chamberlain on meateater and got some good info but I’m still not convinced that we haven’t had this disease a lot longer and lot more widespread than we realize. Does that mean it won’t decimate deer herds, maybe, or maybe it’s yet to do its work…just seems odd it’s taken this long if it’s been around since the 60’s.

Yep, and some obviously drink the Kool-Aid.
 
Most states were sampling at least some before they knew they had cwd. Arkansas was for sure. Pretty sure I read where GA was. Obviously, once they find cwd, he sampling rate picks up.

In AR, the first cwd I beleve was found in an elk. Ground zero for cwd in AR - coincidently - just happens to be where the highest density of elk live - which were brought in from nebraska. Conspiracy theorists bet heavily on the elk being he guilty party.
 
I'm in a super hotspot for cwd and I never get any sick deer on trail cam. Can someone refresh me why that is?
I can throw a deer carcass out in the afternoon and by noon the next day, the only thing left is a flat spot in the grass. I wouldnt doubt by the time a deer gets visibly sick, the coyotes have already caught and killed it.

I have got a picture of one sick deer since game cams became a thing. I believe that deer to have had ehd - and he survived it.
 
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