Intoxication of sheep exposed to ozark milkweed (Asclepias viridis Walter).
Some 20 sheep died 1 at a time on a farm in Fleming County, KY, in late July of 1999 after consumption of Asclepias viridis Walter. Major histological lesions were mild multifocal nonsuppurative myocarditis. Gross pathology revealed wet and heavy lungs. Many affected animals had a hunched appearance, and marked posterior paresis was also observed.
Smith
R A
RA
Veterinary Science Department, University of Kentucky Livestock Disease Diagnostic Center, Lexington 40513-1280, USA.
Scharko
P
P
Bolin
D
D
Hong
C B
CB
D000818:Animals; D003863:Depression; D004196:Disease Outbreaks / Q000662:veterinary*; D007629:Kentucky / Q000453:epidemiology; D008168:Lung / Q000473:pathology; D009205:Myocarditis / Q000473:pathology / Q000662:veterinary; D010939:Plant Poisoning / Q000453:epidemiology / Q000473:pathology / Q000662:veterinary*; D010947:Plants, Toxic; D012640:Seizures / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology / Q000473:pathology*