SNEEZEWEED, HELENIUM, POISONING IN RUMINANTS
 
Description    Plants of the genus HELENIUM, sneezeweed, can cause clinical signs when grazed at high altitudes in the western U.S. Vomiting is a prominent sign. Signs begin after 2-3 weeks of chronic ingestion of the plant.
 
Species   Bovine, Caprine, Ovine
 
Signs   Abdominal distention, Anorexia, Arrhythmia, Ataxia, Bloat in ruminants, Colic, Coughing, Diarrhea, Dullness, Dyspnea, Excessive salivation, Generalized weakness, Grinding teeth, Head pressing, Increased respiratory rate, Mucoid nasal discharge, Seizures or syncope, Tachycardia, Tetraparesis, Trembling, Tremor, Underweight, poor condition, thin, emaciated, unthriftiness, ill thrift, Vomiting or regurgitation, Weak pulse, Weight loss
 
References   Niles GA. Toxicoses of the Ruminant Nervous System. Vet Clin North Am Food Anim Pract 2017;33:111 [Web Reference]
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