Published Date: 2008-08-17 19:00:28
Subject: PRO/AH/EDR> Botulism, avian - USA (02): Great Lakes
Archive Number: 20080817.2556
BOTULISM, AVIAN - USA (02): GREAT LAKES
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Date: 9 Aug 2008
Source: MLive.com from Associated Press [edited]
<http://blog.mlive.com/grpress/2008/08/dnr_confirms_mason_county_bird.html>
Diseased birds have died of Type E botulism in Mason County, marking
the 1st time the disease has been seen that far south on Lake
Michigan's shore.
The infected birds included ring-billed gulls and double-crested
cormorants found dead in Ludington State Park in July 2008.
The state Department of Natural Resources said Friday [8 Aug 2008]
that the bacteria and the toxin it produces are picked up by birds
eating mussels and invasive round gobies that carry the bacteria.
Birds also may be sickened by scavenging carcasses of birds or fish
that have died from the disease.
DNR officials say anyone along Lake Michigan who comes across dead
water birds should make sure pets don't come in contact with them.
Precautions can be found on the Emerging Diseases Web site.
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Communicated by:
ProMED-mail <promed@promedmail.org>
[This article indicates that the range of botulism in birds on the
Great Lakes has moved farther south than previously seen or expected.
Images of ring-billed gulls (_Larus delawarensis_) may be viewed at:
<http://www.sligobirding.com/ImgRingBilledGullsx2HeadSli.jpg>
Double crested cormorants (_Phalacrocorax auritus_) may be viewed at:
<http://sanfrancisco.about.com/od/sanfranciscophoto1/ig/californiabirds/doublecrestedcormorant.htm>
Images of round gobies (_Neogobius melanostomus_) may be viewed at:
<http://www.utm.utoronto.ca/~jtran/Round%20Goby/Round-goby1.jpg>
Images of zebra mussels (_Dreissena polymorpha_) & quagga mussels
(_D.rostriformis bugensis_) may be viewed at:
<http://nas.er.usgs.gov/taxgroup/mollusks/zebramussel/zebra_gallery.asp>.
Map of Great Lakes:
<http://www.blacksbay.com/img/maps/world2.gif>
The reader is encouraged to read the information regarding botulism
in avians posted on ProMED-mail 20071207.3942. There is also
interesting insight into research regarding the mussels on
ProMED-mail 20080103.0031. - Mod.TG/JW]
See Also
Botulism, avian - USA: Great Lakes 20080116.0210Botulism, avian - Canada: Great Lakes 20080103.0031
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2007
Botulism, avian - Canada: (Great Lakes) 20071207.3942
Botulism, avian - USA (02): (MI), susp. 20071111.3665
Botulism, avian - USA: (MI), susp 20071103.3572
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