Abstract
The work will be developed in Bariri - SP and the Faculty of Agrarian and Veterinary Science - FCAV / UNESP, Jaboticabal - SP. Will be used 80 animals (not castrated) of bovine (Nellore) and buffalo (Mediterranean and Murrah crossed). The animals will be finished in a feedlot in collective pens, according to the species receiving the finishing period, 11.98% crude protein and 24.68% total…