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From: TSS ()
Subject: Re: Wyoming Feedgrounds Double as CWD Time Bomb
Date: November 12, 2005 at 7:39 pm PST

In Reply to: Re: Wyoming Feedgrounds Double as CWD Time Bomb posted by TSS on November 4, 2005 at 9:32 am:

NEW CWD DEER AREA; ADDITIONAL TESTING IN NEAR BY NEW AREA PROVES NEGATIVE

11/4/2005

THERMOPOLIS – Wyoming received some good news and bad news about chronic wasting disease this week.

Although another deer hunt area in the Big Horn Basin – hunt area 120 west of Thermopolis – has had a deer test positive for chronic wasting disease, 51 extra deer harvested following the discovery of CWD in hunt area 127 north of Thermopolis last week have tested negative.

On Oct. 25, two mature mule deer bucks harvested by nonresident hunters in hunt area 127 tested positive for CWD. In an effort to manage the spread of CWD and to understand how widespread it might be in the area, Wyoming Game and Fish Department personnel were authorized to remove approximately 50 deer within a 5-mile radius of where the positives were discovered. All the additional deer, 46 mule deer and five whitetails, tested negative for the disease Oct. 28.

The department cited the help of the landowners, Wind River Processing, the town of Thermopolis and the Hot Springs County Sheriff’s Department for their help in enabling the management action to be conducted very efficiently. The deer are being donated to families in need.

On Nov. 1, a whitetail buck tested positive for CWD in area 120. “The good news is that our CWD surveillance efforts are doing exactly what they are intended to do, find CWD if it is present,” said Gary Brown, regional wildlife supervisor for the Game and Fish in Cody. “The bad news is that we had hoped we wouldn’t have to add another area to the list this year from the Big Horn Basin.”

According to Brown, the whitetail buck was harvested in the Owl Creek drainage on the Arapaho Ranch, located within the Wind River Indian Reservation. “It’s disappointing that CWD was found in hunt area 120, but given that this area lies adjacent to hunt area 127 and Owl Creek runs through both areas, it is not surprising,” he said.

CWD was also discovered in deer hunt areas 41 and 164 near Worland in 2003.

Management action at the present time involves the collection of additional samples by extending the CWD check station west of Thermopolis through Nov. 6.

Chronic wasting disease samples are also being collected at Herring’s Taxidermy in Thermopolis throughout the deer season and at Lane’s Meats in Worland Nov. 5-7.

Brown said the more samples collected, the better the department’s understanding of the distribution of CWD in the area. Hunters are encouraged to allow agency personnel to take CWD samples from deer harvested in area 120.

CWD is a fatal neurological disease that has been diagnosed in wild deer and elk in 10 states and two Canadian provinces. Animals show no apparent signs of illness throughout much of disease course. In terminal stages of CWD, animals typically are emaciated and display abnormal behavior.

There is no confirmed link between CWD and any human illness.

For more information on CWD visit the Game and Fish Web site http://gf.state.wy.us

(contact: Dennie Hammer (307) 527-7125)

-WGFD-

http://gf.state.wy.us/services/news/pressreleases/05/11/04/051104_1.asp

CWD FOUND IN NEW AREA IN BIG HORN BASIN

10/28/2005

THERMOPOLIS – Two mature mule deer bucks harvested in hunt area 127 immediately northwest of Thermopolis have tested positive for chronic wasting disease (CWD), a fatal brain disease that can affect all members of Wyoming’s deer family. CWD had not previously been detected in this area.

Worland Wildlife Biologist Bart Kroger collected lymph nodes from the deer Oct. 17 as part of the Wyoming Game and Fish Department’s CWD surveillance effort. Both samples were tested at the department’s laboratory in Laramie and tested positive for CWD.

CWD testing is a two-pronged approach, according to Cody Region Wildlife Management Coordinator Kevin Hurley. “The first test is an immunologic test called the ELISA. When a sample tests positive, it is termed a ‘presumptive positive’ until the results from a second IHC (immunohistochemistry) test is known,” Hurley said. “In nearly every case, when the ELISA turns up a presumptive positive, it is confirmed positive by the IHC.”

The two samples from area 127 tested positive for first the ELISA test and then the IHC test on Oct. 28.

In an effort to manage the spread of CWD and to understand how widespread it might be in an area, the department considers taking aggressive actions when cases are found in new areas. In this case, Game and Fish Deputy Director Gregg Arthur has instructed personnel in the Cody region to remove up to 50 deer within a five-mile radius of where the area 127 deer were harvested.

“I have asked our Cody personnel to move forward and collect additional samples. This action is consistent with the best science and the department’s CWD Management Plan,” Arthur said. He added that surveillance in other states has shown that it may be possible to slow down the spread of CWD if new cases of CWD are identified early.

According to Arthur, the additional sampling serves three purposes. First, it allows the Game and Fish to determine the prevalence of CWD in an area. Secondly, it may eliminate CWD in an area and prevent its spread to other areas. And thirdly, it may allow the Game and Fish to locate an area of infection that it can manage aggressively.

“Should more positives turn up, we will expand our efforts,” Arthur said.

The Game and Fish will conduct the removal harvesting both adult males and females between Oct. 27 and mid-November during daytime and nighttime hours. Research has demonstrated that samples taken from adult males and adult females are more likely to indicate if CWD is present than taking samples from younger-aged animals.

All of the animals collected will be field dressed and held in cold storage until the absence or presence of CWD in each is known. The meat from deer testing negative will be donated to individuals and families in need. Carcasses testing positive will be disposed of in an approved landfill in accordance with the Game and Fish CWD transportation regulation.

CWD is a fatal neurological disease that has been diagnosed in wild deer and elk in 10 states and two Canadian provinces. Animals show no apparent signs of illness throughout much of disease course. In terminal stages of CWD, animals typically are emaciated and display abnormal behavior.

There is no confirmed link between CWD and any human illness.

For more information on chronic wasting disease visit the Game and Fish Web site http://gf.state.wy.us

(contact: Dennie Hammer or Kevin Hurley (307) 527-7125)

-WGFD-

http://gf.state.wy.us/services/news/pressreleases/05/10/28/051028_1.asp


TSS



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