Treatment 1 = tmr + enzyme 0 g/kg ,teatment2 = tmr + enzyme 2 g/ kg dm, treatment3= tmr +enzyme 4 g/kg dm and treatment 4 = tmr + enzyme 6 g/kg dm;2/ sem =standard error of the the mean ; 3/ using a five point-scale when 1=very thin,2 =thin,4 = good condition ,4 = fat and 5 = obese