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Spiking produce - bacteria spiking (Jul/22/2011 )

Hi there,
I have an experimental outline that states sampling from Day 0, 3, 6, 9 etc. On day 0, am I plating the samples before I spike them? Or does Day 0 take into consideration the spiking?


The way I would understand that would be to spike, and then the day 0 would be plated immediately after spiking.