Rocuronium is a neuromuscular blocker with potential to provide advantages in surgeries that require shortterm muscular relaxation. A sample consisting of 20 female canines submitted to ovaryhysterectomy was randomly divided into two equally sized groups. All the animals received acepromazine (0,1 mg.kg-1, IV), propofol (6,0 mg.kg-1, IV) and maintenance with isofluorane. Rocuronium (0,1 ...