首页>Animal Feed Science and Technology>Effect of dietary nitrate on enteric methane emissions, production performance and rumen fermentation of dairy cows grazing ryegrass pasture during spring
Effect of dietary nitrate on enteric methane emissions, production performance and rumen fermentation of dairy cows grazing ryegrass pasture during spring
作者单位:Univ Pretoria, Dept Anim & Wildlife Sci, Private Bag X20, ZA-0028 Hatfield, South Africa[1]Outeniqua Res Farm, Dept Agr, POB 249, ZA-6530 George, South Africa[2]