Y
Sort by
CONDITION HORSE Yellow Star Thistle Poisoning (Nigropallidal Encephalomalacia or Chewing Disease) in Horses

Yellow star thistle poisoning, also called nigropallidal encephalomalacia or “chewing disease”, occurs when a horse eats a toxic amount of the yellow star thistle plant. Yellow star thistle is an annual weed commonly found in western North America, the Mediterranean, Argentina, and Australia. 

· 4 min read