Table 4.
Effect of chlorine dioxide on chemical composition of chicken feces after 10 days incubation (Experiment 1)

Items	CON¹	PC²	T2000³	T3000⁴	SEM⁵	P-value
Dry matter (%)	6.89^a	19.58^c	11.42^b	11.65^b	0.288	<0.01
pH	7.60^c	3.07^a	5.86^b	6.06^b	0.143	<0.01
Ammonia-N (mg/100 mL)	138.31^b	18.22^a	25.02^a	20.66^a	2.576	<0.01
Total VFA⁶ (mM)	520.9^b	10.32^a	11.07^a	7.11^a	3.124	<0.01
Acetate (mM)	369.9^b	3.39^a	8.00^a	5.59^a	4.726	<0.01
Propionate (mM)	110.6^b	0.20^a	0.91^a	1.04^a	2.055	<0.01
Iso-butyrate (mM)	2.92^b	0.06^a	ND	0.05^a	0.083	<0.01
Butyrate (mM)	34.34^b	0.32^a	2.09^a	0.37^a	3.858	<0.01
Iso-valerate (mM)	2.50^b	ND	0.08^a	0.07^a	0.038	<0.01
Valerate (mM)	0.73^a	6.37^b	ND	ND	1.403	<0.01
AP ratio⁸	3.35^a	17.22^b	16.32^b	7.13^a	2.618	<0.01

CON=distilled water.
PC=commercial germicide.
T2000=ClO₂ (2,000 ppm) solution.
T3000=ClO₂ (3,000 ppm) solution.
SEM=standard error of the mean.
Total VFA=total volatile fatty acids.
ND=not detected.
A:P ratio=acetate:propionate ratio.
Different superscripts within row are significantly different (P<0.05).