DEATH CAMUS, ZIGANDENUS SP. POISONING IN RUMINANTS AND HORSES
 
Description    Several species of the lily ZIGADENUS found in the western U.S. cause clinical signs when ingested; most poisonings are in sheep. The toxic principle is a combination of alkaloids. Pregnant ewes might abort.
 
Species   Bovine, Equine, Ovine
 
Signs   Abortion or weak newborns, Agalactia, Anorexia, Arrhythmia, Ataxia, Bradycardia, Colic, Coma, Cyanosis, Decreased respiratory rate, Diarrhea, Dullness, Dysmetria, Dyspnea, Excessive salivation, Excitement, Generalized weakness, Hyperesthesia, Inability to stand, Increased borborygmi, Increased respiratory rate, Opisthotonus, Seizures or syncope, Sudden death, Tachycardia, Trembling, Tremor, Vomiting or regurgitation, Weak pulse
 
References   Niles GA. Toxicoses of the Ruminant Nervous System. Vet Clin North Am Food Anim Pract 2017;33:111 [Web Reference]
Dawson DR. Toxins and Adverse Drug Reactions Affecting the Equine Nervous System. Vet Clin N A Eq Pract 2011;27:507 [Web Reference]
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