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CWD Positive in Mississippi Prompts Quick Response

By DAVID RAINER

Alabama Department of Conservation and Natural Resources

With confirmation of the first case of Chronic Wasting Disease (CWD) in west-central Mississippi, the Alabama Department of Conservation and Natural Resources (ADCNR) and the Alabama Department of Agriculture and Industries have quickly responded to the news.

ADCNR’s Wildlife and Freshwater Fisheries (WFF) Division added Mississippi to the list of states where the importation of body parts from members of the cervid family – white-tailed and mule deer, elk and moose, etc. – is prohibited unless the meat is deboned and other regulations followed.

“We’ve been warning about this for years, that this was not something that was fabricated, and we needed to do everything in our power to keep it out of Alabama,” said WFF Director Chuck Sykes. “Now it’s hit home. It’s real close now. What it means is we, as an agency, can only do so much. We can set regulations. It’s up to the hunters to fulfill those regulations. That’s why we’ve made a big media push to get the word out.

“We don’t want people to panic, but we want people to be cognizant and understand that this is a major issue. It can be prevented, but it’s going to take everybody participating.”

Currently, 25 states and two Canadian provinces have confirmed cases of CWD. Any member of the cervid family harvested in those CWD-positive areas must be properly prepared before it can be legally brought into Alabama. Parts that may be legally imported include completely deboned meat, cleaned skull plates with attached antlers with no visible brain or spinal cord tissue present, upper canine teeth with no root structure or other soft tissue present and finished taxidermy products or tanned hides.

CWD is a transmissible spongiform encephalopathy found to affect deer and other cervids. It is believed to be caused by an infectious prion and has an extended incubation period. Diagnosis requires examination of brain and lymphatic tissue. Infected deer become emaciated, behave erratically and eventually die.

Sykes said the public’s participation is needed because of the limited number of conservation enforcement officers throughout the state.

“People have got to start reporting what they see if they see someone doing something wrong,” he said. “We’ve only got so many officers in the field. We cannot be everywhere.

“We’ve already got preventative measures. We’ve got the carcass importation regulation. We’ve got the live deer importation ban. We’ve got testing we’re doing. We’re doing everything we can to stay on top of it, but we know there are still people illegally bringing live deer into the state. We know there are people illegally bringing carcasses into the state. That’s because they’re selfish, and they’re only worried about what’s inconvenient for them and not what impact it could have on our economy or our way of life.”

Alabama Department of Agriculture and Industries Commissioner John McMillan and ADCNR Commissioner Chris Blankenship announced this week that new testing equipment has been purchased by the ADCNR’s Wildlife and Freshwater Fisheries Division for the State Veterinary Diagnostic Laboratory. The equipment, known as Enzyme Linked Immunosorbent Assay (ELISA), will be dedicated to testing samples for CWD. Agriculture and Industries will employ a technician to conduct the tests.

“We have been working alongside ADCNR for quite some time to update our lab equipment to give us this testing capability,” said Commissioner McMillan. “A recent case of CWD in a free-range, white-tailed deer in west Mississippi prompted us to make this announcement now.”

The testing equipment is undergoing a validation process required by the United States Department of Agriculture’s National Veterinary Services Laboratory. Once complete, the laboratory will be able to test deer samples and quickly determine the presence of CWD.

“We have had an active CWD surveillance program since 2002 in partnership with the ADCNR and game breeder facilities,” State Veterinarian Dr. Tony Frazier said. “This testing capability will be an additional safeguard in protecting the deer population in the state.”

The good news is there is no scientific evidence of any transmission of CWD to domestic livestock or humans.

Alabama’s economy and way of life, as mentioned by Sykes, are at the top of the list of concerns for Kevin McKinstry of the Westervelt Corporation, a timber company that has been in the hunting and hunting land-leasing business for many decades.

McKinstry has been studying the effect of CWD contamination for several years, but no direct correlations can be drawn to Alabama and other states in the South. The economic impact of deer hunting in Alabama is more than $1 billion.

“There certainly is the threat of economic devastation with CWD, but in those areas with contaminated deer, there really hasn’t been a lot of hunting business or land-leasing,” McKinstry said. “We don’t have any hard case studies. This area in Mississippi (Issaquena County, bordering the Mississippi River just north of Vicksburg) does have a lot of hunting activity, so this could be the first real illustration of what the impact might be. As important as the white-tailed deer is as an economic driver, this could be something that could dissuade people from buying licenses or leasing hunting land to hunt deer.

“It could cripple the whole system. States get much of their funding for wildlife programs from license sales. It’s already in a precarious situation. If that gets a significant impact, that whole model could collapse.”

From a business standpoint, however, McKinstry has not been able to find a model in the states affected by CWD that would compare to the Southeast.

“I’ve been working on this for the past three or four years,” he said. “I’ve not been able to come up with a similar business model in the Southeast with large landowners with recreation leases or commercial hunting lodges. Leasing land is a pretty new concept for up North and the Midwest. This case in Mississippi will probably give us a case study to look at and measure the economic impact.

“I live in west Alabama where you have the small communities like Livingston, Geiger and Linden. If it wasn’t for folks coming in to hunt in those areas, there might not be any gas stations or restaurants. These small-town economies are very delicate to start with. If you take away one of the main drivers, they’re done.”

Chris Cook, Deer Project Program Leader, said the WFF’s updated CWD action plan makes it more user friendly so the public can understand what will happen if CWD is ever confirmed in Alabama.

In states with confirmed cases, a containment zone, usually a 5-mile radius, is established. The deer density is then established and a specific number of samples is taken for testing. If more positives are confirmed, the containment zone is expanded until officials can determine the distribution of the disease.

“Then you move forward with management actions to contain the disease,” Cook said. “You encourage people to harvest deer to keep the population down, not to eradicate it. That’s been shown not to work. You just try to limit the spread of the disease inside the containment zone.”

Cook has been in touch with the Mississippi Wildlife, Fisheries and Parks to get information on the positive CWD deer.

“It was on a hunting club,” Cook said. “They had seen the deer for three days. One of the hunters was on a food plot. He watched the deer come in, and it was staggering around. It fell down and died while the hunter was there. They contacted the wildlife department, and unfortunately it tested positive.

“And this was the county where they had taken the most samples from doing CWD surveillance. It certainly caught them by surprise. It just shows you everybody needs to remain vigilant to report dead and dying deer so we can get samples to find out why that deer was in that condition. And we need the public to remain vigilant. If they see a carcass that looks suspicious or a live animal being transported, contact one of our district offices or call the 24-hour hotline (Operation GameWatch 1-800-272-4263).”

Dr. John Fischer, professor at the University of Georgia’s School of Veterinary Medicine, is at the forefront of CWD research and said Mississippi wildlife officials will be hard-pressed to discover the source of the infection.

“Regardless of how it wound up there, Mississippi has implemented its CWD response plan, which is exactly what needs to be done,” said Fischer, who heads the Southeastern Cooperative Wildlife Disease Study. “It’s unlikely there will ever be a smoking gun indicating how the disease got there. It just needs to be dealt with. And the response needs to be adaptable as more information becomes available.”

Fischer said one of the daunting characteristics of CWD is the prion (an abnormal protein) that causes the disease is virtually impossible to eliminate.

“That’s one of the big confounders of management,” he said. “The prion can persist in the environment and remain infectious for we don’t know how long. Even if you were able to remove every susceptible animal out there and hold the ground open, we don’t know how long you would have to wait to repopulate the area. I don’t think anybody knows.”

Fischer said Alabama appears to be responding to the threat in the best way possible.

“All you can do is do the best you can to prevent the introduction of the disease into the state,” he said. “Early detection is going to give you a better success of managing the disease. In areas where the disease appears endemic, the primary goal is to slow down geographic spread. Eradication doesn’t appear reasonable at this stage. The only instance I can think of, in New York, they had two cases in the wild in 2005 and haven’t had any since.

“One of the mantras here at the Southeastern Cooperative Wildlife Disease Study is the only truly effective method for managing disease in wild animals is prevention.”

Westervelt’s McKinstry reminds us that we are all stakeholders in having a viable white-tailed deer resource in the United States.

“I’m in my 50s, and I caught the last of the good wild quail hunting in Alabama,” McKinstry said. “I don’t want to be telling my grandchildren or my son telling his grandchildren about how good the white-tailed deer hunting used to be.”


Mississippi is the latest to be added to the states where CWD has been confirmed.




Getting too close for me!

Hmmmmmmmmm............i wonder......nahhhhh....couldnt be.....could it?

Nah

I have been trying to think of any diseases that affect man or animal that is caused by a nonliving thing (prion), that can't be destroyed by any means and that is transmissible. What a weird disease.....

Mad cow disease and KJD are the most common.

What is KJD?

Creutzfeldt-Jakob Disease in Humans.

Do you mean vCJD or Varient Creutzfeldt-Jacob Disease?

My bad, CJD.

My buddy has a place over that way close to eagle lake at Steele Bayou. Said yesterday there were game warden type vehicles everywhere shooting deer from the road within 25 mile radius of where that deer was found.

reckon what a lease will go for around there next year???

So do they think that the GW's are going to wipe out the deer herd around the area to stop the spread? That's gonna be a lot of dead deer if so

No. They are sampling 60 deer from the containment area (5 mile radius) for more testing. They need to know where it is originating from.

He said he heard shooting 60 of them for testing samples. Not killing all of them.
Edit: Matt beat me by 3 minutes

OK, so here's a point about what's going on in Mississippi and their wildlife department:

foldemup has a friend who has a place there, says GW-MDWFP vehicles everywhere, shooting deer from roads. People start contacting friends with questions and suppositions - "They're trying to kill all the deer!" ... "What are they doing, they're shooting deer everywhere!" ... "My lease is going to suck because The State is killing all the deer!"

Perhaps MDFWP informed the public. Pehaps not. I haven't seen any press releases or public announcements.

BUT - this is where the Department or any state deparment HAS to get in front of this with public notification, explanations of why they're doing it and for what reasons - sampling for testing - and probably having somone from the department available on the ground to talk with folks.

That's being proactive and showing good PR to explain why, instead of having to be reactive to try to squelch rumors, misinformation, angry calls and emails, and the "I heard they ..." stories that always make the rounds.

Having a plan of action for CWD (or any crisis) should always involve informative public relations with as many answers as possible. Those PR people should be in-house and involved with the planning, discussions, asking hard questions and pushing back against anyone saying "we don't need to discuss that" or "No one would ask that." Sorry, but you plan for all contingencies and hope for the fewest. When a department (in any state) doesn't see it as a big necessity, funding or personnel is cut, there's an attitude of "We'll tell them what they need to know when we decide they need to know it" or perhaps all of that happens, it can be disastrous.

Being proactive and transparent is best. MDFWP has been good with this so far (as was Arkansas, and our own DCNR has been, too), but if they didn't tell folks about this sampling deal then that wasn't smart.

Can they quarantine the area if they isolate it? I know this is a question coming from ignorance. I just would like to know if they have any idea of how to stop it, kill it, contain it

Additionally, it would be smart a DNR to invite news media folks to show how sampling is done, testing methods, explain it, etc., and why it's important. It's not like making a uranium bomb. It's shooting deer, carving out parts, testing those and getting results.

The prions that cause CWD can't be killed, to anyone's knowledge. That's one reason it's so bad.

Ok we've established that it cant be killed so basically MS is screwed because its going to spread by one means or another correct?

It's unknown how it spreads. CWD is a neuromuscular disease caused by a mutated prion that, in short, may take up to 2-3 years to manifest and exhibit signs of the disease in a deer before it turns the brain into Swiss cheese and kills the deer.

Transmission methods are unknown. Lot of unknowns about it.

This site has a wealth of information -- http://cwd-info.org/