Pneumonia Outbreak in Desert Bighorn Sheep

Ewe with mild respiratory disease.

Desert bighorn ewe previously captured in the
Old Woman Mts. showing signs of mild respiratory disease

Wildlife professionals from the National Park Service, California Department of Fish and Wildlife (CDFW) and conservation organizations have been investigating an outbreak of respiratory disease in desert bighorn sheep in the Old Dad Peak / Kelso area of the Mojave National Preserve. This was first reported in mid-May 2013. Two diseased bighorn have been collected and submitted to the state diagnostic laboratory in San Bernardino.  Preliminary results confirm pneumonia.  Currently surveys are being conducted to determine the geographic extent of the outbreak. So far, the disease appears to be limited geographically but monitoring will continue.

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