Question

What are the advantages and disadvantages of Direct microscopic Count (DMC)?

Answer 1

Answer:

direct count has the disadvantages that both living and dead cells are counted. Only dense suspensions can be counted , but samples can be concentrated by centrifugation or filtration to increase sensitivity. It is not sensitive to population of fewer than 1 million cells

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Answer 2

Answer:

Although rapid, a direct count has the disadvantages that both living and dead cells are counted. Only dense suspensions can be counted (>107 cells per ml), but samples can be concentrated by centrifugation or filtration to increase sensitivity. It is not sensitive to populations of fewer than 1 million cells.