The U.S. Fish and Wildlife Service have announced that they are looking into the causes of recent death for American coot and lesser scaup on the Upper Mississippi River. However, avian influenza was not suspected in hundreds of waterfowl deaths, officials said.
The causes behind the deaths will be confirmed after getting the test result from the National Wildlife Health Center in Madison. Officials are awaiting test results.
Hundreds of waterfowl have been found dead since last week in the Mississippi River pools 7, 8, 9, and 10 among which American coot and lesser scaup were more in number. Some bluewing teal and canvasbacks also died.
For the sixth time, waterfowl have been found on the Upper Mississippi River. Trematodes caused deaths of waterfowl each time.
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