title: An apparent synergy between copper sulphate and Payzone in improving the performance of growing pigs.
mesh_terms: D000818:Animals; D001835:Body Weight; D003300:Copper / Q000378:metabolism*; D004357:Drug Synergism; D005503:Food Additives; D006146:Guanidines / Q000378:metabolism*; D013552:Swine / Q000254:growth & development*
chemical_list: D005503:Food Additives; D006146:Guanidines; D003300:Copper