采用平板凝集和试管凝集试验对布氏杆菌病进行检测，牛群的阳性率为2 48%（4/161）。
Brucellosis was detected by plate agglutination and test tube agglutination, the positive rate of the herd reached 2.48%(4/161).
用试管凝集试验检测布氏杆菌病为阴性。
With tube agglutination assay, all the samples were negative in Brucella antibody.
用试管凝集试验检测布氏杆菌病为阴性。
With tube agglutination assay, all the samples were negative in Brucella antibody.
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