Table 1. The effect of feeding frequency on body weight and backfat thickness in gestating sows

Criteria	Treatment		SEM	p-value
	OF	TF
No. sows	10	10	-	-
Body weight (kg)
d 35	202.0	201.7	2.96	0.948
d 90	228.4c	222.2d	2.93	0.068
d 110	243.1c	237.3d	3.19	0.076
Body weight gains (kg)
d 35–90	26.4c	20.6d	1.23	0.054
d 90–110	14.6	15.1	0.74	0.922
d 35–110	41.1c	35.7d	1.45	0.067
Back-fat thickness (mm)
d 35	19.0	19.0	0.99	1.000
d 90	20.2	20.7	0.92	0.747
d 110	21.1	22.0	0.91	0.562
Back-fat changes (mm)
d 35–90	1.2	1.7	0.48	0.747
d 90–110	0.9	1.3	0.43	0.797
d 35–110	2.1	3.0	0.60	0.562
ADWC (L / day)
d 35–90	9.5a	12.4b	0.75	0.028
d 90–110	11.9a	14.8b	0.79	0.034
d 35–110	10.7a	13.6b	0.63	0.029

Means with different superscripts in the same row significantly differ (p < 0.05).
Means with different superscripts in the same row numerically differ (p < 0.10).
OF, once daily feeding; TF, twice daily feeding; ADWC, average daily water consumption.