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State Confirms First Case Of Highly Pathogenic Avian Influenza In Free-Ranging Geese


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Three goslings in Macomb County test positive.

FOR IMMEDIATE RELEASE
June 8, 2015

Media contacts:
Ed Golder (DNR), 517-284-5815 or Jennifer Holton (MDARD), 517-284-5724


State confirms first cases of highly pathogenic avian influenza in
free-ranging geese in Michigan

Three goslings in Macomb County test positive

The Michigan departments of Natural Resources (DNR) and Agriculture and Rural Development (MDARD) today announced the state’s first confirmed cases of highly pathogenic avian influenza (HPAI) H5N2 in the state. The disease was found in free-ranging Canada geese in Macomb County. Avian influenza is a virus that can infect both free-ranging and domestic poultry such as chickens, turkeys, quail and geese.

Three goslings collected last week in Sterling Heights were delivered to the DNR’s Wildlife Disease Laboratory for necropsy. Initial testing was performed at Michigan State University's Diagnostic Center for Population and Animal Health in Lansing. These tests were positive and the samples were forwarded to the U.S. Department of Agriculture’s National Veterinary Services Lab in Ames, Iowa, for final confirmation. MDARD and the DNR received confirmation Saturday, June 6, that the goslings were infected with highly pathogenic avian influenza, subtype H5N2.

The U.S. Centers for Disease Control and Prevention considers the risk to people from these HPAI viruses to be low. To date, no human HPAI infections have been detected in the United States. Avian influenza is not a food safety concern and no birds or bird products infected with HPAI will enter the food chain. 

Michigan is the 21st state to report a case of HPAI since December 2014. In the other 20 states, the virus has been found in captive wild birds or free-ranging birds, backyard flocks, and commercial flocks. Michigan also becomes the 6th state to detect in wild or free-ranging birds only. To date, there are 226 detections of HPAI across the country (affecting approximately 50 million birds), with Iowa and Minnesota experiencing the most cases. 

“While this is disappointing news that the H5N2 virus has been found in Michigan’s free-ranging bird population, it was not unexpected given avian influenza has been found in a number of our neighboring states and Ontario,” said MDARD Director Jamie Clover Adams. 

Clover Adams stressed that avian influenza has not been identified in Michigan’s domestic poultry flocks. “MDARD will continue to work hand-in-hand with our backyard and commercial poultry farmers to conduct surveillance testing and provide education along with Michigan State University’s Extension on implementing and stepping up on-farm biosecurity practices to protect the health of Michigan’s domestic poultry,” she said. 

Keith Creagh, DNR director, said the state’s chief focus now is preventing the disease’s spread in wildlife and its transmission to domestic poultry. 

“This confirmed positive finding of highly pathogenic avian influenza prompts several steps that are informed by Michigan’s Surveillance and Response Plan for HPAI in free-ranging wildlife,” said Creagh. “The DNR and MDARD are working with other experts and taking advantage of every available resource to ensure a swift, appropriate response that limits the spread of HPAI.”

The
state’s wildlife HPAI plan was developed by DNR’s Wildlife Division in 2006. The DNR already practices regular examination of carcasses from mortality events affecting birds and samples live-caught and hunter-harvested wild birds.

Guided by the wildlife HPAI plan, the DNR will: 

  • Create an avian influenza (AI) Core Area, a 10-mile radius around the confirmed positive cases.
  • Create an AI Management Zone, including any counties that touch the AI Core Area. In this case, the AI Management Zone will include Macomb and Oakland counties.
  • Change goose relocation activities. The DNR routinely relocates nuisance geese in southeast Michigan to other parts of the state. The AI Management Zone will be under quarantine and roundup/relocation within these counties will be prohibited, except for the purpose of additional testing.
  • Continue goose roundup and relocation efforts in the rest of the state.
  • Change goose relocation drop-off sites so none are within a 10-mile radius of a commercial poultry facility in Michigan.
  • Heighten AI surveillance in the two-county AI Management Zone.
  • Increase biosecurity measures for contractors who relocate geese and anybody handling geese, as well as for waterfowl banders.
  • Continue statewide AI surveillance, which includes responding to suspicious dead animals, conduct sample testing of geese being relocated, banding ducks and geese, and testing hunter-harvested waterfowl.

With this type of highly pathogenic avian influenza, there may be an absence of many of the routine signs of illness in domestic poultry. Sudden death and high death losses are major indicators of HPAI. However, sick birds may experience neurological signs; difficulty walking; lack of appetite, energy or vocalization; significant drop in egg production; swollen combs, wattles, legs or head; diarrhea; or nasal discharge, sneezing or coughing. 

Wild birds commonly have avian influenza and sometimes spread it to domestic birds through direct or indirect transmission. Ducks and geese are considered carriers; however, geese generally do not pass it on. 

MDARD, the DNR, the Michigan Department of Health and Human Services, the U.S. Departments of Agriculture, Veterinary Services (USDA, VS) and Wildlife Services (USDA, WS) and Michigan State University (MSU) are working together to conduct avian influenza surveillance and to monitor health of poultry, livestock, wildlife and residents in Michigan. Residents who notice the death loss of three or more free-ranging birds should report it to DNR at 517-336-5030. If your domestic flock is experiencing severe illness or multiple death losses, contact MDARD at 800-292-3939 or for after-hours emergencies call 517-373-0440. 

For more information, go to www.michigan.gov/avianinfluenza or www.michigan.gov/aviandiseases.

 
 
 
 

   

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