Automatic incubator for use with modified A-1 test for enumerating fecal coliform bacteria in shellfish growing waters.
An automatic water bath incubator which can be constructed from easily obtainable materials is described. This incubator provides temperatures necessary for both the 35 +/- 0.5 degrees C resuscitation period and the 44.5 +/- 0.2 degrees C final incubation period as required in the AOAC method for enumerating fecal coliforms by the modified A-1 test. Statistical analysis of experimental data indicated no significant differences (P greater than 0.50) in fecal coliform counts obtained by using the automatic incubator and the AOAC incubation method.
D000818:Animals; D001431:Bacteriological Techniques / Q000295:instrumentation; D003470:Culture Media; D004926:Escherichia coli; D005243:Feces / Q000382:microbiology*; D012758:Shellfish; D013696:Temperature; D014871:Water Microbiology
D003470:Culture Media