Abstract
The aim of this study is to evaluate the replacement of monensin by functional oils(Cashew + Copaiba) on digestibility, ruminal fermentation and efficiency of N for dairy cows. In the experiment, four dry cows cannulated in the rumen will be used in randomized 4x4 Latin square. Each period will last for 20 days with 14 days for adaptation and 6 days of collection. The treatments are: a) T…