| THIAMINE, VITAMIN B1, DEFICIENCY, BRACKEN, HORSETAIL POISONING EQUINE | |
| Description | Equine Thiamine Deficiency can be caused by prolonged ingestion of the thiaminase-containing plants bracken fern (PTERIDIUM AQUILINIUM) or horsetail (EQUISETUM RAMOSISSIMUM). Can also be induced by the drug amprolium. |
| Species | Equine |
| Signs | Abnormal proprioceptive positioning, Agalactia, Anorexia, Arrhythmia, Ataxia, Blindness, Bradycardia, Cold skin, Dullness, Dysmetria, Exercise intolerance, Fever, Generalized weakness, Inability to stand, Lack of growth or weight gain, Opisthotonus, Paraparesis, Seizures or syncope, Tachycardia, Trembling, Tremor, Underweight, Weak pulse, Weight loss |
| References | Stegelmeier BL. Plants that Contaminate Feed and Forage and Poison Horses: Equine Toxicology. Veterinary Clinics of North America: Equine Practice 2023 [https://doi.org/10.1016/j.cveq.2023.11.003] |