4 concepts
Direct Counting
Direct counting methods are used to determine bacterial concentration without the need for advanced equipment.
Viable Cell Counting
Plate counting is used to estimate the number of viable cells that are present in a sample.
Measurements of Microbial Mass
Changes in the number of bacteria can be calculated by a variety of methods that focus on microbial mass.
Detecting Acid and Gas Production
Culture media can be used to differentiate between different kinds of bacteria by detecting acid or gas production.