Table 4.

Statistical analysis regarding psychrotrophic bacteria (* denotes statistical significance).

Source	SS	MS Num	DF Num	F Ratio	Prob > F
time	2.08921	1.0446	2	717.3254	<0.0001 *
treatment × time	0.6966	0.17415	4	119.5880	<0.0001 *
treatment	0.04136	0.02068	2	2.6390	0.1893
subjects (treatment) and random	0.06179	0.0206	3	14.1430	0.0040 *