title: Performance promoters in animal nutrition. I. Quantitative factorial analysis of effectiveness.
mesh_terms: D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D000829:Animals, Domestic / Q000254:growth & development*; D000890:Anti-Infective Agents / Q000494:pharmacology*; D001835:Body Weight / Q000187:drug effects; D002645:Chickens / Q000254:growth & development; D004305:Dose-Response Relationship, Drug; D005163:Factor Analysis, Statistical; D005503:Food Additives; D013552:Swine / Q000254:growth & development
chemical_list: D000890:Anti-Infective Agents; D005503:Food Additives