HEMLOCK (CONIUM MACULATUM) POISONING IN RUMINANTS
 
Description    Consumption by pregnant ruminants of CONIUM MACULATUM during early gestation can cause arthrogrypotic deformities in offspring. In addition to congenital abnormalities, systemic and nervous signs might be seen in animals ingesting the plants.
 
Species   Bovine, Caprine, Ovine
 
Signs   Abdominal distention, Abnormal forelimb curvature, Abnormal hindlimb curvature, Abortion or weak newborns, Arrhythmia, Ataxia, Bloat in ruminants, Bradycardia, Cleft palate or lip, Cold skin, Colic, Coma, Contracture fore limb, leg, Contracture hind limb, leg, Cyanosis, Decreased mobility of forelimb joint, Decreased mobility of hindlimb joint, Decreased respiratory rate, Dullness, Dysmetria, Dyspnea, Excessive salivation, Excitement, Exercise intolerance, Forelimb lameness, Generalized lameness or stiffness, Generalized weakness, Hindlimb lameness, Hyperesthesia, Hypothermia, Inability to stand, Increased frequency of urination, Increased respiratory rate, Kyphosis, Lacrimation, Mydriasis, Prolapsed third eyelid, Scoliosis, Seizures or syncope, Sudden death, Torticollis, Trembling, Tremor, Weak pulse
 
References   Niles GA. Toxicoses of the Ruminant Nervous System. Vet Clin North Am Food Anim Pract 2017;33:111 [Web Reference]
Copyright © 2017 Cornell University College of Veterinary Medicine