Vacuolar myelinopathy in waterfowl from a North Carolina impoundment.
Vacuolar myelinopathy was confirmed by light and electron microscopic examination of mallards (Anas platyrhynchos), ring-necked ducks (Aythya collaris), and buffleheads (Bucephala albeola) collected during an epizootic at Lake Surf in central North Carolina (USA) between November 1998 and February 1999. Clinical signs of affected birds were consistent with central nervous system impairment of motor function (incoordination, abnormal movement and posture, weakness, paralysis). This is the first report of this disease in wild waterfowl (Anseriformes).
Augspurger
Tom
T
US Fish and Wildlife Service, Ecological Services, Raleigh, North Carolina 27636-3726, USA. tom_augspurger@fws.gov
Fischer
John R
JR
Thomas
Nancy J
NJ
Sileo
L
L
Brannian
Roger E
RE
Miller
Kimberli J
KJ
Rocke
Tonie E
TE
D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology* / Q000473:pathology; D001717:Birds; D001921:Brain / Q000473:pathology / Q000648:ultrastructure; D004372:Ducks; D005618:Fresh Water; D008297:Male; D008854:Microscopy, Electron / Q000662:veterinary; D009186:Myelin Sheath / Q000473:pathology* / Q000648:ultrastructure; D009422:Nervous System Diseases / Q000453:epidemiology / Q000473:pathology / Q000662:veterinary*; D009657:North Carolina / Q000453:epidemiology; D009899:Optic Lobe, Nonmammalian / Q000473:pathology / Q000648:ultrastructure; D012584:Sciatic Nerve / Q000473:pathology / Q000648:ultrastructure; D014617:Vacuoles / Q000473:pathology / Q000648:ultrastructure