Bovine fetus isolated
<b><i>Brucella abortus</i> bv. 4 str. 292</B>. <i>Brucella abortus</i> bv. 4 str. 292 (NCTC 10503) was isolated from a bovine fetus in 1960. This is a biovar 4 strain and will be used for comparative analysis.