Table 2.

Correlation heat map showing the Pearson’s correlation coefficients (r) of normalized difference between time points of different external and internal DNA fractions (i, b, fDNA) and ratios tested against common activity testing methods

^aSignificance level at p < 0.05

^bSignificance level at p < 0.01

^cCattle manure-borne consortium (CBC)

^dRumen-borne consortium (RBC)

^eDehydrogenase activity (DHA)

^fQuantification of specific RNA

^gInternal DNA

^hBound external DNA

ⁱFree external DNA

^jfDNA + bDNA

^kfDNA + bDNA + iDNA