Chinese Agricultural Science Bulletin ›› 2010, Vol. 26 ›› Issue (17): 129-131.
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Abstract: [OBJECTIVE] Compare two bacteriological inspection methods in detecting the bacterias in cow’s milk, and to find a better detection method. [METHOD] The microscope count and the standard plating count methods were performed on the determination of the number of bacteria in the fresh cow's milk.[RESULTS] Microorganism microscope direct count method had big randomness. It can not obtain macroscopic and comprehensive evaluation of the milk quantity, but it was high-efficient. The plating colony count methods was relatively slow and needed a period of time for the bacteria to grow on the plate.[CONCLUSION] The plating count method usually performs the gradient dilution and therefore the counting linear scope is broad. Additionally, the bacterium suspended solution can be distributed uniformly on the plate, so the density of the bacterial colony can be well reflected. The plating count method is a classical method of counting bacteria.
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https://www.casb.org.cn/EN/Y2010/V26/I17/129