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Use of measurement of cytochrome oxidase activity for estimation of psychrotrophic flora in raw milk on delivery to the dairy factory



Use of measurement of cytochrome oxidase activity for estimation of psychrotrophic flora in raw milk on delivery to the dairy factory



Lait Lyon 72(2): 221-232



120 milk tanker samples were collected from 4 French dairy plants to evaluate the analytical performances of the cytochrome oxidase activity assay used to assess the bacteriological quality of raw milk. The samples were agitated in an Ultra-turrax for 30 s and then psychrotrophic flora were enumerated using the Spiral method.

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