RUBBERWEED, HYMENOXYS, POISONING IN RUMINANTS
 
Description    Two species of the plant HYMENOXYS called rubberweed and pinque that grow in the western U.S. cause disease in animals grazing them. The toxin affects enzyme function and causes a variety of signs.
 
Species   Bovine, Caprine, Ovine
 
Signs   Agalactia, Anorexia, Ataxia, Colic, Coma, Dullness, Dysmetria, Dyspnea, Excessive salivation, Generalized weakness, Inability to stand, Increased respiratory rate, Kyphosis, Mucoid nasal discharge, Opisthotonus, Reluctant to move, Rumen hypomotility or atony, Seizures or syncope, Tachycardia, Trembling, Tremor, Underweight, poor condition, thin, emaciated, unthriftiness, ill thrift, Vomiting or regurgitation, Weight loss
 
References   Jensen R. Diseases of sheep, 2nd ed. 1982:206-207 Lea and Febiger
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