| nova scotia moose mystery--a moose sickness related to cobalt- and vitamin b12 deficiency. | a wasting, debilitating disease with uncertain aetiology affecting moose (alces alces americana) in eastern north america has been reported repeatedly ever since the 1910s. despite the intensive studies during 1930-1960s the cause of the sickness could not be established. in the 1960s a parasitic nematode (parelaphostrongylus tenuis) was reported as constituting a probable explanation for the sickness, although several clinical and pathological signs remained unexplained. in sweden, a moose dise ... | 2004 | 14654277 |