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Pottawattamie Co. CWD

blake

Life Member
From the Iowa DNR:

Additional Facility in Pottawatamie County
Under Quarantine for Chronic Wasting Disease



Five deer at a breeding facility in Pottawattamie County have tested positive for chronic wasting disease (CWD) placing that operation under quarantine.

Three of the five deer in Pottawattamie County along with a single white-tail deer at a hunting preserve in Davis County – Iowa’s first confirmed positive CWD sample – have been traced back to a breeding facility in Cerro Gordo County.

In addition, 14 deer from the breeding facility in Cerro Gordo County have been sampled for CWD with one yielding a positive result for CWD. The Cerro Gordo facility is also currently under quarantine meaning live animals are not allowed to come or go from the operation.

After the first positive sample of the deer in Davis County was confirmed in July, both the Iowa Department of Natural Resources (DNR) and Iowa Department of Agriculture and Land Stewardship (IDALS) have been working to trace back deer that have moved to and from the Cerro Gordo County facility.

Once the initial positive detection of CWD was found in Davis County, the DNR worked with several other states that had clients of the facility to determine which deer was the carrier of the disease. Through DNA testing, it was determined that the affected deer had originated from the Cerro Gordo County facility.

The DNR has regulatory authority on hunting preserves while IDALS regulates captive breeding herds.

“It’s important for us to gather as much information as possible as to where these deer have come from and gone to if we are going to be successful in containing the spread of CWD. Our primary concern is to keep CWD from spreading to the wild herd,” said Bruce Trautman, deputy director of the DNR.

The 330-acre Davis County facility is currently surrounded by an eight-foot high fence and routine inspections are being conducted by the DNR to ensure the integrity of the fencing system so that no deer are coming or going from the area.

The DNR will increase testing of wild deer in the area by working with hunters and landowners to collect samples from hunter harvested deer beginning this fall. A goal of 300 samples within a five-mile radius of the Davis County facility has been established.

There is no evidence that CWD can spread to humans, pets or domestic livestock such as pork, beef, dairy, poultry, sheep or goats.

Iowa has tested 42,557 wild deer and over 4,000 captive deer and elk as part of the surveillance program since 2002 when CWD was found in Wisconsin.

CWD is a neurological disease that only affects deer, elk and moose. It is caused by an abnormal protein, called a prion, which affects the brains of infected animals, causing them to lose weight, display abnormal behavior and lose bodily functions. Signs include excessive salivation, thirst and urination, loss of appetite, progressive weight loss, listlessness and drooping ears and head.

The prions can attach to soil and spread the disease among deer. Chronic wasting disease was first identified in captive mule deer at a research facility in Colorado in 1967. Prior to the positive detection in Iowa, CWD had been detected in every bordering state.
 
Great...we are already getting hit by EHD, and now CWD is close by. Its just really irritating that a disease like CWD is being spread all over the Midwest just because some people like to shoot tame deer.
 
Should have come down on that practice long ago. Treating wildlife like livestock. the main breeding ground for this problem. The blame is put on hunters,,,minerals,birdfeeding, everything else.
 
I took a class on whitetail biology my senior year at Wisconsin as an elective. The prof was a former deer biologist with the WDNR and we had guest lecturers on different topics that were deer researchers with the DNR or UW system and covered a lot of interesting ground. To be honest, the couple weeks we spent on CWD scared the hell outta me. We looked at a study of scrapies in sheep in the UK, very similar disease to CWD. In the study, they took Scrapies infected sheep out of a smaller stockyard for X years, I forget if it was 7 or 10 or 15 years. After the X amount of years, they brought them back. Within a short amount of time, the sheep were positive for scrapies. Prions bind to the soil and researchers really don't know how long they remain.

Its the same way with mule deer in Colorado and Wyoming where you see a 30-40% infection rate of CWD in some units that have had CWD for a while.

I'm certainly not an expert on the subject, but from everything I've read scientifically on CWD/Orion diseases, this isn't good.
 
It is sad that after 10 years of testing for anyone who raises and sells deer, that they still dropped the ball this bad. Now we have it forever.

And don't be so sure that it can't mutate and transmit to humans or cattle.
 
Tuesday, June 05, 2012




Captive Deer Breeding Legislation Overwhelmingly Defeated During 2012 Legislative Session




http://chronic-wasting-disease.blogspot.com/2012/06/captive-deer-breeding-legislation.html


Saturday, September 01, 2012






Resistance of Soil-Bound Prions to Rumen Digestion





http://chronic-wasting-disease.blogspot.com/2012/09/resistance-of-soil-bound-prions-to.html







Friday, August 31, 2012





COMMITTEE ON CAPTIVE WILDLIFE AND ALTERNATIVE LIVESTOCK and CWD 2009-2012 a review





http://chronic-wasting-disease.blogspot.com/2012/08/committee-on-captive-wildlife-and.html







Friday, August 24, 2012




Diagnostic accuracy of rectal mucosa biopsy testing for chronic wasting disease within white-tailed deer (Odocoileus virginianus) herds in North America




The overall diagnostic specificity was 99.8%. Selective use of antemortem rectal biopsy sample testing would provide valuable information during disease investigations of CWD-suspect deer herds.




http://chronic-wasting-disease.blogspot.com/2012/08/diagnostic-accuracy-of-rectal-mucosa.html








*** Spraker suggested an interesting explanation for the occurrence of CWD. The deer pens at the Foot Hills Campus were built some 30-40 years ago by a Dr. Bob Davis. At or abut that time, allegedly, some scrapie work was conducted at this site. When deer were introduced to the pens they occupied ground that had previously been occupied by sheep.



(PLEASE NOTE SOME OF THESE OLD UK GOVERNMENT FILE URLS ARE SLOW TO OPEN, AND SOMETIMES YOU MAY HAVE TO CLICK ON MULTIPLE TIMES, PLEASE BE PATIENT, ANY PROBLEMS PLEASE WRITE ME PRIVATELY, AND I WILL TRY AND FIX OR SEND YOU OLD PDF FILE...TSS)





http://collections.europarchive.org/tna/20080102193705/http://www.bseinquiry.gov.uk/files/mb/m11b/tab01.pdf







Wednesday, February 16, 2011

IN CONFIDENCE



SCRAPIE TRANSMISSION TO CHIMPANZEES



IN CONFIDENCE



http://scrapie-usa.blogspot.com/2011/02/in-confidence-scrapie-transmission-to.html








PO-039: A comparison of scrapie and chronic wasting disease in white-tailed deer

Justin Greenlee, Jodi Smith, Eric Nicholson US Dept. Agriculture; Agricultural Research Service, National Animal Disease Center; Ames, IA USA




[URL="http://www.landesbioscience.com/journals/prion/03-Prion6-2-Transmission-and-strains.pdf"]http://www.landesbioscience.com/journals/prion/03-Prion6-2-Transmission-and-strains.pdf[/URL]








PO-081: Chronic wasting disease in the cat— Similarities to feline spongiform encephalopathy (FSE)



http://www.landesbioscience.com/journals/prion/04-Prion6-2-Pathogenesis-and-pathology.pdf




http://chronic-wasting-disease.blogspot.com/2012/05/chronic-wasting-disease-cwd-prion2012.html







Thursday, May 31, 2012



CHRONIC WASTING DISEASE CWD PRION2012 Aerosol, Inhalation transmission, Scrapie, cats, species barrier, burial, and more




http://chronic-wasting-disease.blogspot.com/2012/05/chronic-wasting-disease-cwd-prion2012.html





Friday, July 20, 2012



CWD found for first time in Iowa at hunting preserve



http://chronic-wasting-disease.blogspot.com/2012/07/cwd-found-for-first-time-in-iowa-at.html









Wednesday, September 05, 2012



Additional Facility in Pottawatamie County Iowa Under Quarantine for CWD after 5 deer test positive



http://chronic-wasting-disease.blogspot.com/2012/09/additional-facility-in-pottawatamie.html




kind regards,
terry
 
I had just gotten off the phone with a DNR Biologist before I read this post. He was telling me about this. He was super worried about what this disease could do to the deer population. He did have some good news though and that was the amount of turkey poults that he is seeing .
 
I dont care what anyone says. IMO i think all HighFence Operations, Deer Farms, Antler Factories across the US should be SHUT DOWN PERMINANTLY! I believe that is how CWD got is spread and is still spreading. If you look at Wisconsin's outbreaks, they have all be located near highfence operations!

I also think Mineral that has animal protien in it should be banned. Back when they first started making mineral for bone suppliment, where did the ingredients come from? I think it was possible that the prions moved through those early years of antler suppliments from Deer pen to Deer pen and then possibly to the wild herd.

Just MPO is all, but I can not stand high fence operation for this one simple fact. They move whitetails between them, or did and they have infected deer that moved between them prior to the on slaught of CWD and it is hard saying how many pens have been infected. ANd if they are not double fenced operations, it is possible to transmit the disease to the wild herd.

I may piss off some people on here, but I think somethign needs to be done about them and done ASAP or we will see CWD infect all wild white and elk.

If you cant go hunt the animal in its NATURAL SETTING, not in a pen, i dont care how big, it is not hunting. It is killing! and that doesnt make a hunter.

JUST MPO.
 
What is ironic to me is they went all out trying to eliminate mineral lick stations to stop the spread of the disease but then invite it in.
 
Dept of Ag has control over all deer farms, breeding operations etc, the DNR has control over those operations that allow high fence hunting.
I think it's time to ask Ag Dept and Gov office why all the foot dragging. When almost every other state depopulates deer farms immediately upon being tested positive for CWD. Heard lots of rumors as to why, but nothing I'd like to print yet.

I just don't think a private enterprise is more important than what is best for the general public.
 
anybody know which farm in Cerro Gordo county it came from? I am curious, my bro in law owns ground not to very far from a deer farm there :confused:
 
I will say I am impressed how the Dnr is handling this. They are manning the davis county location 24/7 to make sure no deer enter, leave or are released into the wild. A waste of time for them though. My neighbor sat at the front gate for 12 hours on patrol until midnight. It sounds like the owner is hosting hunts, killing the deer and burying the bodies in a big pit.

The deer from cerro gordo county that had cwd was only alive for 2 hrs before it was shot at the davis county location. Hopefully not enough time to not really spread it down there.

Talk about a heck of an operation. I want that buck right there. Okay let me.go pick him up on a trailer. Release him and shoot him within 2 hours. That hunter must be proud lol
 
I will say I am impressed how the Dnr is handling this. They are manning the davis county location 24/7 to make sure no deer enter, leave or are released into the wild. A waste of time for them though. My neighbor sat at the front gate for 12 hours on patrol until midnight. It sounds like the owner is hosting hunts, killing the deer and burying the bodies in a big pit.

The deer from cerro gordo county that had cwd was only alive for 2 hrs before it was shot at the davis county location. Hopefully not enough time to not really spread it down there.

Talk about a heck of an operation. I want that buck right there. Okay let me.go pick him up on a trailer. Release him and shoot him within 2 hours. That hunter must be proud lol

The problem i see is that the deer in the pen could still come in contact with wild deer through the fence. I live right down the road from the pen and i see wild deer next to the high fence all the time.
I am also sure that the infected deer wasn't hauled down here by it's self. So that would lead me to believe that any deer that was in the trailer with the infected deer will probably test positive also.
 
re-cwd Iowa and environmental factors...

Greetings Iowa hunters,



for those interested, a bit more science on cwd tse prion disease, and environmental factors for transmission. please use as you wish. ...




Friday, February 25, 2011

Soil clay content underlies prion infection odds

http://chronic-wasting-disease.blogspot.com/2011/02/soil-clay-content-underlies-prion.html



Thursday, February 17, 2011

Environmental Sources of Scrapie Prions

http://scrapie-usa.blogspot.com/2011/02/environmental-sources-of-scrapie-prions.html




PRION 2010


International Prion Congress: From agent to disease September 8–11, 2010 Salzburg, Austria

snip...


PPo4-4:

Survival and Limited Spread of TSE Infectivity after Burial

Karen Fernie, Allister Smith and Robert A. Somerville The Roslin Institute and R(D)SVS; University of Edinburgh; Roslin, Scotland UK

Scrapie and chronic wasting disease probably spread via environmental routes, and there are also concerns about BSE infection remaining in the environment after carcass burial or waste 3disposal. In two demonstration experiments we are determining survival and migration of TSE infectivity when buried for up to five years, as an uncontained point source or within bovine heads. Firstly boluses of TSE infected mouse brain were buried in lysimeters containing either sandy or clay soil. Migration from the boluses is being assessed from soil cores taken over time. With the exception of a very small amount of infectivity found 25 cm from the bolus in sandy soil after 12 months, no other infectivity has been detected up to three years. Secondly, ten bovine heads were spiked with TSE infected mouse brain and buried in the two soil types. Pairs of heads have been exhumed annually and assessed for infectivity within and around them. After one year and after two years, infectivity was detected in most intracranial samples and in some of the soil samples taken from immediately surrounding the heads. The infectivity assays for the samples in and around the heads exhumed at years three and four are underway. These data show that TSE infectivity can survive burial for long periods but migrates slowly. Risk assessments should take into account the likely long survival rate when infected material has been buried.

The authors gratefully acknowledge funding from DEFRA.



http://www.prion2010.org/bilder/pri...39&PHPSESSID=a30a38202cfec579000b77af81be3099



Wednesday, September 08, 2010


CWD PRION CONGRESS SEPTEMBER 8-11 2010


http://chronic-wasting-disease.blogspot.com/2010/09/cwd-prion-2010.html




ALSO, NOTE MINERAL LICKS A POSSIBLE SOURCE AND TRANSMISSION MODE FOR CWD


http://chronic-wasting-disease.blogspot.com/2009/08/third-international-cwd-symposium-july.html



2009 CWD SYMPOSIUM UTAH


http://www.cwd-info.org/pdf/3rd_CWD_Symposium_utah.pdf




Detection of Protease-Resistant Prion Protein in Water from a CWD-Endemic Area


65

Detection of Protease-Resistant Prion Protein in Water from a CWD-Endemic Area

Tracy A. Nichols*1,2, Bruce Pulford1, Christy Wyckoff1,2, Crystal Meyerett1, Brady Michel1, Kevin Gertig3, Jean E. Jewell4, Glenn C. Telling5 and M.D. Zabel1 1Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA 2National Wildlife Research Center, Wildlife Services, United States Department of Agriculture, Fort Collins, Colorado, 80521, USA 3Fort Collins Water and Treatment Operations, Fort Collins, Colorado, 80521, USA 4 Department of Veterinary Sciences, Wyoming State Veterinary Laboratory, University of Wyoming, Laramie, Wyoming, 82070, USA 5Department of Microbiology, Immunology, Molecular Genetics and Neurology, Sanders Brown Center on Aging, University of Kentucky, Lexington, Kentucky, 40536, USA * Corresponding author- tracy.a.nichols@aphis.usda.gov

Chronic wasting disease (CWD) is the only known transmissible spongiform encephalopathy affecting free-ranging wildlife. Experimental and epidemiological data indicate that CWD can be transmitted horizontally and via blood and saliva, although the exact mode of natural transmission remains unknown. Substantial evidence suggests that prions can persist in the environment, implicating it as a potential prion reservoir and transmission vehicle. CWD- positive animals can contribute to environmental prion load via biological materials including saliva, blood, urine and feces, shedding several times their body weight in possibly infectious excreta in their lifetime, as well as through decomposing carcasses. Sensitivity limitations of conventional assays hamper evaluation of environmental prion loads in water. Here we show the ability of serial protein misfolding cyclic amplification (sPMCA) to amplify minute amounts of CWD prions in spiked water samples at a 1:1 x106 , and protease-resistant prions in environmental and municipal-processing water samples from a CWD endemic area. Detection of CWD prions correlated with increased total organic carbon in water runoff from melting winter snowpack. These data suggest prolonged persistence and accumulation of prions in the environment that may promote CWD transmission.

snip...

The data presented here demonstrate that sPMCA can detect low levels of PrPCWD in the environment, corroborate previous biological and experimental data suggesting long term persistence of prions in the environment2,3 and imply that PrPCWD accumulation over time may contribute to transmission of CWD in areas where it has been endemic for decades. This work demonstrates the utility of sPMCA to evaluate other environmental water sources for PrPCWD, including smaller bodies of water such as vernal pools and wallows, where large numbers of cervids congregate and into which prions from infected animals may be shed and concentrated to infectious levels.

snip...end...full text at ;



http://www.landesbioscience.com/



http://www.cwd-info.org/pdf/3rd_CWD_Symposium_utah.pdf



http://chronic-wasting-disease.blogspot.com/2009/08/third-international-cwd-symposium-july.html



http://chronic-wasting-disease.blogspot.com/2009/10/detection-of-protease-resistant-cervid.html




Wednesday, January 07, 2009

CWD to tighten taxidermy rules Hunters need to understand regulations

http://chronic-wasting-disease.blogspot.com/2009/01/cwd-to-tighten-taxidermy-rules-hunters.html





what about rodents there from? 4 American rodents are susceptible to CWD to date. are those double fences going to stop these rodents from escaping these game farms once becoming exposed to CWD?



Chronic Wasting Disease Susceptibility of Four North American Rodents

Chad J. Johnson1*, Jay R. Schneider2, Christopher J. Johnson2, Natalie A. Mickelsen2, Julia A. Langenberg3, Philip N. Bochsler4, Delwyn P. Keane4, Daniel J. Barr4, and Dennis M. Heisey2 1University of Wisconsin School of Veterinary Medicine, Department of Comparative Biosciences, 1656 Linden Drive, Madison WI 53706, USA 2US Geological Survey, National Wildlife Health Center, 6006 Schroeder Road, Madison WI 53711, USA 3Wisconsin Department of Natural Resources, 101 South Webster Street, Madison WI 53703, USA 4Wisconsin Veterinary Diagnostic Lab, 445 Easterday Lane, Madison WI 53706, USA *Corresponding author email: cjohnson@svm.vetmed.wisc.edu

We intracerebrally challenged four species of native North American rodents that inhabit locations undergoing cervid chronic wasting disease (CWD) epidemics. The species were: deer mice (Peromyscus maniculatus), white-footed mice (P. leucopus), meadow voles (Microtus pennsylvanicus), and red-backed voles (Myodes gapperi). The inocula were prepared from the brains of hunter-harvested white-tailed deer from Wisconsin that tested positive for CWD. Meadow voles proved to be most susceptible, with a median incubation period of 272 days. Immunoblotting and immunohistochemistry confirmed the presence of PrPd in the brains of all challenged meadow voles. Subsequent passages in meadow voles lead to a significant reduction in incubation period. The disease progression in red-backed voles, which are very closely related to the European bank vole (M. glareolus) which have been demonstrated to be sensitive to a number of TSEs, was slower than in meadow voles with a median incubation period of 351 days. We sequenced the meadow vole and red-backed vole Prnp genes and found three amino acid (AA) differences outside of the signal and GPI anchor sequences. Of these differences (T56-, G90S, S170N; read-backed vole:meadow vole), S170N is particularly intriguing due its postulated involvement in "rigid loop" structure and CWD susceptibility. Deer mice did not exhibit disease signs until nearly 1.5 years post-inoculation, but appear to be exhibiting a high degree of disease penetrance. White-footed mice have an even longer incubation period but are also showing high penetrance. Second passage experiments show significant shortening of incubation periods. Meadow voles in particular appear to be interesting lab models for CWD. These rodents scavenge carrion, and are an important food source for many predator species. Furthermore, these rodents enter human and domestic livestock food chains by accidental inclusion in grain and forage. Further investigation of these species as potential hosts, bridge species, and reservoirs of CWD is required.



http://chronic-wasting-disease.blogspot.com/2009/08/third-international-cwd-symposium-july.html



please see ;


http://www.cwd-info.org/pdf/3rd_CWD_Symposium_utah.pdf





Saturday, September 01, 2012


Resistance of Soil-Bound Prions to Rumen Digestion


http://chronic-wasting-disease.blogspot.com/2012/09/resistance-of-soil-bound-prions-to.html







http://chronic-wasting-disease.blogspot.com/




kind regards,
terry
 
I am also sure that the infected deer wasn't hauled down here by it's self. So that would lead me to believe that any deer that was in the trailer with the infected deer will probably test positive also.


And how long had he been shipping deer out from his contaminated breeding facility??? More and more deer keep coming back positive from this case!

I can't believe they haven't destroyed ALL of the deer and tested them, it's a bunch of bull!
 
And how long had he been shipping deer out from his contaminated breeding facility??? More and more deer keep coming back positive from this case!

I can't believe they haven't destroyed ALL of the deer and tested them, it's a bunch of bull!
My point exactly!!!
 
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