The economic viability of a commercial oral anthelmintic suspension containing 10% fenbendazole was evaluated in Angus x Nelore cattle feedlot. Two groups 37 animals (treated and non-treated) were formed. A random-block design used based on initial weight, egg count per gram feces (EPG) carcass grade. EPG counts the determination weight performed Days 0, 42 122. Carcass grade yield determined d...