The paper introduced classification and metabolism of carbohydrate in rumen, meanwhile summaried effects of supplementing starter differing in carbohydrate composition in calves.

• 介绍了碳水化合物的分类及在瘤胃中的消化代谢情况,并就近年来不同类型碳水化合物在犊牛开食料中的应用进行综述。