We describe a congenital tracheal web malformation in a wild female brown bear (Ursus arctos) yearling that was euthanized after being hit by a train in Norrbotten County, Sweden, December 2010. A 3-cm-long, abnormal, longitudinal mucosal fold divided the trachea into two halves, without obviously blocking the airflow.
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1 April 2016
Congenital Tracheal Web Malformation in a Wild Brown Bear ( Ursus arctos), Sweden, 2010
Erik O. Ågren,
Arne Söderberg
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Journal of Wildlife Diseases
Vol. 52 • No. 2
April 2016
Vol. 52 • No. 2
April 2016