Deer Hair Loss Symdrome October 29, 2012

California Deer Disease News and Information Archive

Deer Hair Loss Symdrome October 29, 2012 CDFG Wildlife Investigations Lab
A deer Hair Loss Syndrome (HLS) workshop was hosted by the Wildlife Investigations Lab on Aug. 20-21, 2012 ... HLS is a recently described disorder affecting black-tailed deer in the coastal areas of Washington, Oregon and California. Little is known about the cause of the syndrome and its effect on black-tailed deer populations.  It is characterized by a severe infestation of an exotic chewing louse (Damalinia sp.), general decline in body condition, hair loss (especially over the thorax, flanks and hindquarters), morbidity, mortality and excessive grooming behavior. It is seen in mostly young deer, especially does, and is most evident in the winter and spring.

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