The horns of a 13-yr-old Dall sheep ram (Ovis dalli dalli) from the Sheep Mountain herd in Kluane National Park (Yukon, Canada) had unique characteristics. The right horn was 1,127 mm long, while the left horn was only 861 mm long and compressed and distorted at its base. The reduced growth of the left horn was due to chronic epidermitis and osteomyelitis of the cornual process, which began when the ram was 5 yr of age.
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1 April 1992
Cranial Asymmetry in a Dall Sheep Ram (Ovis dalli dalli)
M. Hoefs,
T. D. Bunch
Journal of Wildlife Diseases
Vol. 28 • No. 2
April 1992
Vol. 28 • No. 2
April 1992
case report
Dall sheep
horn aberration
Ovis dalli dalli
skull infection