Description    Three species of the Compositae: AGERATINA ALTISSIMA (WHITE SNAKEROOT), ISOCOMA PLURIFLORA (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, Kyphosis, 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   Davis TZ. Effect of grinding and long-term storage on the toxicity of white snakeroot (Ageratina altissima) in goats. Res Vet Sci 2018;118:419 [Web Reference]
Pfister JA. Transmammary transfer of toxicity to nursing kids from Isocoma pluriflora (rayless goldenrod) dosed to lactating goats. Toxicon 2018;Apr [Web Reference]
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]
Copyright © 2018 Cornell University College of Veterinary Medicine