title: Evaluating copper and zinc in dairy rations.
authors.forename: D E
authors.initials: DE
authors.lastname: Sanders
mesh_terms: D000821:Animal Feed / Q000009:adverse effects*; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000139:chemically induced*; D003300:Copper / Q000172:deficiency*; D005260:Female; D015032:Zinc / Q000009:adverse effects*
chemical_list: D003300:Copper; D015032:Zinc