Poisoning of domestic animals, especially cattle and sheep, caused by eating white snakeroot or rayless goldenrod and characterized by muscular tremors and weakening.

• 乳毒症家畜中毒，尤指牛和羊，由食用白色蛇根草或无边花的黄花引起，表现为肌肉颤抖和虚弱等症状