Keywords pectin;rumen metabolic parameters;serum urea nitrogen;growing performance;alfalfa;sugar beet pulp;processing way;lamb;shee;

• 关键词果胶;瘤胃代谢参数;血清尿素氮;生产性能;苜蓿;甜菜渣;加工处理;羔羊;绵羊;