Biochemical Changes and Biological Origin of Key Odor Compound Generations in Pig Slurry during Indoor Storage Periods: A Pyrosequencing Approach

Table 5

Correlation between key odorants generations and physiochemical parameters.

	PhAl	P-C	ACA	IBA	BTA	IVA	SCFA	BCFA	Phenols
BOD (mg/L)	0.732	0.432	0.472	0.370	0.457	0.348	0.442	0.357	0.464
COD (mg/L)	0.659	0.432	0.548	0.448	0.498	0.425	0.497	0.433	0.457
SS (mg/L)	0.676	0.379	0.583	0.434	0.552	0.403	0.533	0.415	0.409
P2O5(%)	0.741	0.508	0.668	0.524	0.666	0.493	0.647	0.505	0.535
TKN(%)	0.819	0.572	0.641	0.545	0.625	0.523	0.609	0.531	0.600
NH4-N(%)	0.904	0.765	0.658	0.643	0.633	0.633	0.623	0.637	0.785
Moisture (%)	-0.670	-0.412	-0.551	-0.422	-0.529	-0.399	-0.509	-0.408	-0.440
OM (%)	0.651	0.397	0.528	0.403	0.505	0.381	0.485	0.389	0.424

Underline numbers: 60% positive correlation (p<0.05).
Italic numbers: 70% positive correlation (p<0.05).
Bold numbers: 80% positive correlation (p<0.05).
Bold italic numbers: 90% positive correlation (p<0.05).