Table 3.

Mean fecal pH and metabolite concentrations of cats fed GNU100-supplemented diets¹

	CT		LD		MD		HD			P-value
Item	Week 2	Week 4	Week 2	Week 4	Week 2	Week 4	Week 2	Week 4	SEM	Diet	Period	Diet * Period
Fecal score	3.20	2.81	2.56	2.69	2.88	2.97	3.00	2.75	0.20	0.48	0.29	0.19
Fecal pH	6.08	6.49	6.57	6.88	6.48	6.18	6.37	6.56	0.19	0.12	0.25	0.24
Fecal DM (%)	35.07	36.89	38.55	38.24	36.24	36.22	38.12	38.66	1.66	0.51	0.49	0.75
	umole/g (DM basis)
Phenol	1.29	1.42	1.80	1.72	1.11	0.99	1.27	1.85	0.34	0.42	0.33	0.21
Indole	1.08	0.85	2.06	2.26	1.22	0.92	0.85	0.80	0.31	0.02	0.20	0.20
Total phenol + indole	2.37	2.27	3.86	3.98	2.33	1.90	2.12	2.65	0.55	0.07	0.89	0.44
Acetate	222	197	171	186	212	206	189	161	19.92	0.36	0.23	0.32
Propionate	74.7	73.5	61.1	65.0	81.6	82.3	67.0	70.6	9.24	0.38	0.73	0.98
Butyrate	65.7	68.3	49.3	66.1	55.6	57.1	72.2	81.0	6.63	0.02	0.12	0.63
Total SCFA	361	339	282	317	349	347	328	312	28.81	0.44	0.93	0.49
Isobutyrate	6.54	7.41	8.30	8.98	6.55	6.65	7.31	8.69	1.19	0.53	0.15	0.85
Isovalerate	9.74	11.5	12.9	13.9	9.67	9.57	10.8	14.1	2.00	0.47	0.08	0.55
Valerate	17.8	18.4	17.9	19.0	15.5	15.6	16.8	18.0	3.40	0.85	0.16	0.78
Total BCFA	34.1	37.3	39.1	41.9	31.8	31.8	34.9	40.8	5.92	0.71	0.23	0.87
Ammonia	135.3	159.2	180.6	194.9	159.8	139.9	131.5	166.4	17.81	0.25	0.08	0.08

¹CT, control diet containing (0% GNU); HD, high dose (1.5% GNU); LD, low dose (0.5% GNU); MD, medium dose (1.0% GNU). P-values < 0.05 are listed in bold.