80 strains were isolated from feces of 10 infants and 25 cows in Huhhot by applying selective culture medium and technique of anaerobic incubation of Bifidobacterium.

• 用双歧杆菌选择性培养基和厌氧培养技术,从呼和浩特市区的10个婴儿和25头乳牛粪便中分离得到80株菌。