title: Some aspects of the use of the growth promoter zeranol in ewe lambs retained for breeding. I. effect on liveweight gain and puberty.
mesh_terms: D000822:Animal Husbandry / Q000379:methods*; D000818:Animals; D001835:Body Weight / Q000187:drug effects; D004343:Drug Implants; D005260:Female; D012118:Resorcinols / Q000494:pharmacology*; D012741:Sexual Maturation / Q000187:drug effects; D012756:Sheep / Q000254:growth & development*; D015029:Zeranol / Q000494:pharmacology*
chemical_list: D004343:Drug Implants; D012118:Resorcinols; D015029:Zeranol