Preventing Prussic Acid Poisoning
Dr. John Andrae
Southeast Cattle Advisor
A significant risk of grazing certain species of drought or frost-damaged forages is hydrocyanic acid poisoning. This is more commonly known as prussic acid or cyanide poisoning. While prussic acid toxicity occurs less frequently than nitrate poisoning, cases are not uncommon in South Carolina. This bulletin will review causes of prussic acid poisoning and offer management strategies to help prevent animal losses.