1In this study, Cs<0.60 is regarded as significant difference (**); 0.6 ≤ Cs<0.80 is
marginal difference (*); Cs ≥ 0.80 is very similar (ns).
Table 2: Pairwise similarity coefficients (Cs) matrix for gut bacterial community of
polycultured grass carp, bluntnose black bream and gibel carp based on 16S rDNA
PCR- DGGE fingerprints1.