Description    Acute Selenium Toxicity in ruminants can cause death several hours to a few days following administration or ingestion; signs of respiratory failure are prominent. There might be a garlic-like odor in the breath.
Species   Bovine, Caprine, Ovine
Signs   Abnormal breath odor, Agalactia, Anorexia, Arrhythmia, Ataxia, Blindness, Cold skin, Cyanosis, Diarrhea, Dullness, Dysmetria, Dyspnea, Excessive salivation, Fever, Generalized weakness, Head pressing, Inability to stand, Increased respiratory rate, Mydriasis, Opisthotonus, Paraparesis, Reluctant to move, Seizures or syncope, Sudden death, Tachycardia, Tetany, Trembling, Tremor
References   Cowan V. Characterizing 1341 cases of veterinary toxicoses confirmed in western Canada: A 16-year retrospective study. Can Vet J 2016;57:53 [Web Reference]
Davis TZ. Toxicokinetics and pathology of plant-associated acute selenium toxicosis in steers. J Vet Diagn Invest 2012;24:319 [Web Reference]
Amini K. Sudden Death Associated With Myocardial Contraction Band Necrosis in Boer Goat Kids. Vet Pathol 2011;48:1212 [Web Reference]
Finnie J. Neurological diseases of ruminant livestock in Australia. II: toxic disorders and nutritional deficiencies. Aust Vet J 2011;89:247 [Web Reference]
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