protozoa exhibited differential rates of engulfment ( 150 b. megaterium gw1 and 4,290 e. coli w7-m5 organisms per protozoan per h ) , and they extensively degraded [ 3h ] dap-labeled b. megaterium gw1 at rates up to nine times greater than those of ruminal bacteria .
C0029235
organisms
C0004611
bacteria