Tuesday, April 24, 2007

Great Lakes fish virus may threaten U.S. aquaculture
Tue Apr 24, 2007
By Lisa Haarlander

CHICAGO (Reuters) - A virus in the U.S. Great Lakes that has killed tens of thousands of fish in recent years is spreading and poses a threat to inland fish farming, a U.S. Agriculture Department official said on Monday.

The pathogen, viral hemorrhagic septicemia, or VHS, causes internal bleeding in fish. It does not harm humans, even if they eat infected fish.

The federal agency issued an emergency order in October to limit movement of live fish caught in the eight states bordering the Great Lakes and two Canadian provinces.

"We're concerned that this virus could get out of the Great Lakes and affect other populations," Jill Roland, a fish pathologist and assistant director for aquaculture for the USDA in Riverdale, Maryland, said in a telephone interview.
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