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Table 1 Mean retrieval rates of the three sampling methods investigated

From: Development and evaluation of a standardised sampling protocol to determine the effect of cleaning in the pig sty

Sampling method

No. of samples

Mean RR (%)

SD (%)

CV (%)

Cloth

10

13.0

4.5

34.3

Sponge

10

4.2

2.5

58.6

ATP swab

10

44.6

6.7

15.1

  1. Mean retrieval rate (RR), standard deviation (SD) and coefficient of variance (CV) for each sampling method (cloth, sponge and swab), calculated on the absolute number of total aerobic bacteria or relative light units in the spiked slurry before spreading, compared to the corresponding amounts after drying overnight