In general, spores of B. cereus, B. megaterium, B. Sphaericus and B. subtilis strains germinated uniformly within a short time of incubation in a germination medium. In contrast, spores of B, circulans, B. brevis, B. laterosporus, B. pulvifaciens, B. polymyxa, B. pumilus, B. licheniformis and B. coagulans strains were usually slow and/or uneven germinators under the same conditions of incubatio...