Migratory birds confirmed to be source of bird flu outbreak

Posted on : 2014-01-21 11:54 KST Modified on : 2014-01-21 11:54 KST
Authorities now taking steps to limit spread of flu in farms and along the migratory birds’ routes
 Jan. 16. http://nongmin.tistory.com/1067?viewbar
Jan. 16. http://nongmin.tistory.com/1067?viewbar

By Noh Hyun-woong, staff reporter

The flock of dead Baikal teal found at Dongrim Reservoir in Seongnae Township, Gochang County, North Jeolla Province was infected with avian influenza, or bird flu, authorities confirmed on Jan. 20.

“Our tests found that the dead wild migratory birds that we collected in Gochang County on Jan. 17 were infected with avian influenza. The strain was H5N8, same as the ducks that we had tested previously,” said Kwon Jae-han, director-general of the livestock policy bureau in the Ministry of Agriculture, Food, and Rural Affairs, in the press briefing on Monday. Dongrim Reservoir is a little more than 5km in a direct line from the farm where ducks contracted highly pathogenic bird flu. Growing evidence indicates that the ducks were infected by the migratory birds.

Following the discovery that the wild ducks were infected with bird flu, authorities are working frantically deal with the outbreak. While the government has set up a defensive perimeter around North Jeolla Province to prevent the disease from spreading, more outbreaks could occur simultaneously in different areas depending on the flight paths of the migratory birds. Fortunately, because the winter is not very cold this year, a fair number of Baikal teal are not moving on to South Jeolla and South Gyeongsang Provinces but instead are reportedly wintering around North Jeolla Province.

The Ministry and other disease prevention authorities are planning to identify the Baikal teal flight paths along which it is most likely that an outbreak could occur. The Ministry will then take preventive measures along those paths. The most likely areas for these efforts are Dongrim Reservoir in Gochang County and the neighboring Geumgang Lake and Yeongam Lake, all of which are vulnerable to an outbreak.

At present, around 100,000 migratory birds - including Baikal teal, whooper swan, and swan - are staying at Dongrim Reservoir. The disease prevention authorities will also step up their activities in 37 other major migratory bird preserves around the country.

On Jan. 20, the government held a meeting of the emergency livestock disease prevention committee. As expected, the committee lifted the ban on transportation, which was scheduled to last until midnight that day. While cases of avian flu had been found in wild migratory birds, the authorities deferred to the opinion of experts, who argued that the key to fighting the bird flu is sterilizing individual farms and preventing transportation between farms, authorities explained. On Monday, a total of 155,000 ducks and chickens were culled in Gochang and Buan Counties in North Jeolla Province.

 

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