Suspected chocolate poisoning of calves.
D000818:Animals; D002099:Cacao / Q000009:adverse effects*; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology; D005517:Foodborne Diseases / Q000662:veterinary*; D008881:Migraine Disorders / Q000209:etiology; D011201:Poultry Diseases / Q000209:etiology; D012756:Sheep; D012757:Sheep Diseases / Q000209:etiology