Harrington R, Brown G M
Am J Vet Res. 1976 Oct;37(10):1241-2.
During 1975 (FY), isolation or typing procedures (or both) were performed on 2,799 specimens for brucellae. Of the 517 brucellae isolated or typed from cattle, 447 (86.4%) were Brucella abortus, biotype 1.
在1975财政年度，对2799份布鲁氏菌样本进行了分离或分型程序（或两者皆有）。从牛身上分离或分型的517株布鲁氏菌中，447株（86.4%）为流产布鲁氏菌生物型1。
