Description    Three species of the Compositae: AGERATINA ALTISSIAM (WHITE SNAKEROOT), ISOCOMA WRIGHTII (RAYLESS GOLDENROD), and APLOPAPPUS FRUTICOSUS ingested directly or through milk are toxic.
Species   Bovine, Equine, Caprine, Ovine
Signs   Abnormal behavior, aggression, changing habits, Abnormal proprioceptive positioning, Abnormal pupillary response to light, Abortion or weak newborns, Agalactia, Anorexia, Arrhythmia, Ataxia, Bloody stools, feces, hematochezia, Coma, Decreased amount of stools, absent feces, constipation, Dullness, Dysmetria, Dysphagia, Dyspnea, Excessive salivation, Excitement, Exercise intolerance, Exophthalmos, Generalized lameness or stiffness, Generalized weakness, Grinding teeth, Hemoglobinuria or myoglobinuria, Hypothermia, Icterus, Inability to stand, Increased frequency of urination, Increased respiratory rate, Ingesta in nasal passage, Mucous, mucoid stools, feces, Mydriasis, Peripheral venous distention, Proteinuria, Red or brown urine, Reluctant to move, Skin edema, Sweating, Tachycardia, Tetraparesis, Third degree, complete, atrioventricular heart block, Trembling, Tremor, Underweight, poor condition, thin, emaciated, unthriftiness, ill thrift, Ventricular premature beat, Vomiting or regurgitation, Weight loss
References   Niles GA. Toxicoses of the Ruminant Nervous System. Vet Clin North Am Food Anim Pract 2017;33:111 [Web Reference]
Al-Dissi A. Toxicology for the Equine Practitioner. Vet Clin N A Eq Pract 2015;31:269 [Web Reference]
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