Image:Newcastle disease in a mallard.JPG

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Torticollis (twisted neck) in a mallard with Newcastle disease.

Photo credit:Milton Friend

Source:U.S. Geological Survey National Wildlife Health Center Field Manual of Wildlife Diseases: General Field Procedures and Diseases of Birds, Chapter 21 "Newcastle Disease".

Public domain This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy

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Date/TimeDimensionsUserComment
current22:51, 19 June 2007375×256 (24 KB)Joelmills (Torticollis (twisted neck) in a mallard with [http://en.wikipedia.org/wiki/Newcastle_disease Newcastle disease]. Photo credit:Milton Friend Source:U.S. Geological Survey National Wildlife Health Center [http://www.nwhc.usgs.gov/publications/field_manual)
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