title: Copper poisoning in sheep grazing pastures fertilized with chicken litter.
mesh_terms: D000818:Animals; D002645:Chickens; D003300:Copper / Q000032:analysis / Q000097:blood / Q000506:poisoning*; D005260:Female; D008372:Manure; D006109:Poaceae / Q000032:analysis; D012756:Sheep; D012757:Sheep Diseases / Q000139:chemically induced*
chemical_list: D008372:Manure; D003300:Copper