Microbiology of food and animal feeding stuffs - horizontal method for the enumeration of b - glucuronidase - positive escherichia coli - part 2 : colony - count technique at 44 oc using 5 - bromo - 4 - chloro - 3 - indolyl b - d - glucuronate 食品和动物饲料的微生物学. b -葡糖苷酸-阳性大肠杆菌计数的水平方法.第2部分: 44时使用5 -溴代- 4 -氯- 3 -吲哚b - d -葡糖苷酸的计群技术