Table 5. Effect of dietary illite supplementation on backfat thickness in growing - finishing pig

Items	CON1)	IL	SEM	p-value
Back fat thickness (mm)
Initial	6.00	6.10	0.07	0.563
Day 14	6.50	6.70	0.09	0.394
Day 28	7.20	7.30	0.08	0.465
Day 42	7.80	8.00	0.08	0.369
Day 56	9.30	9.50	0.09	0.393
Day 70	11.10	11.10	0.09	0.953
Day 84	12.80	13.10	0.12	0.207
Day 98	14.40b	15.00a	0.13	0.020
Day 112	16.30	16.70	0.15	0.162
Day 126	18.70	18.90	0.24	0.655
Lean muscle percentage (%)
Day 126	55.9	55.4	0.30	0.240

CON, basal diet; IL, 0.5% illite.
Means in the same row with different superscripts differ (p < 0.05).