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1·It was isolated from Streptococcus agalactiae from 17.

这是从17株无乳链球菌中分离得到。

2·While Sta. aureus was isolated from 13 milk samples and Streptococcus agalactiae from 17.

常规细菌鉴定法检浏出金黄色葡萄球菌感染奶样13份，多乳链球菌感染奶样17份。