Rape seed and meal can be used to feed stuff, but several anti-nutrient factors that exist in it limited the amount in feed material, such as erucic, glocosinolate and its metabolite including isothiocyanate and oxazolidine . For this reason, experts have selected some excellent variety with double-low gene. Today, these breeding can be used into feed stuff. The objectives of this study investigated the effect of difference ratios of rape seed and rape meal on dairy cattle to determine the best...