Pyrrolizidine alkaloid poisoning in calves due to contamination of straw by Heliotropium europeum.
D000821:Animal Feed / Q000506:poisoning*; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D010939:Plant Poisoning / Q000662:veterinary*; D011763:Pyrrolizidine Alkaloids / Q000506:poisoning*
D011763:Pyrrolizidine Alkaloids