Other numbers: ATCC 7468, CNCTC Sar 6/63, DSM 1605, LMG 14459, NCIMB 8942, NRRL B-2619, PCI 1009, WHO 1, W.C. Tobie strain Mercedita. History: < NCIB (Sarcina subflava) < ATCC < W.C. Tobie. Additional information: Cylinder-plate assay of bacitracin in body fluids, feeds, milk and pharmaceutic preparations (1233,1236,1450); cylinder-plate assay of chloramphenicol in serum (1233). Cultivation conditions: Medium 71, 30°C.