title: Effect of zeranol implantation on bodyweight changes in zebu crossbred cattle grazing tropical pasture.
mesh_terms: D000367:Age Factors; D000818:Animals; D001835:Body Weight / Q000187:drug effects*; D002417:Cattle / Q000254:growth & development*; D004343:Drug Implants; D005260:Female; D008297:Male; D012118:Resorcinols / Q000494:pharmacology*; D012621:Seasons; D012737:Sex Factors; D015029:Zeranol / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D004343:Drug Implants; D012118:Resorcinols; D015029:Zeranol