Table 3. The effect of gestation feeding frequency on colostrum and milk composition of lactating sows

Criteria	Treatment		SEM	p-value
Criteria	OF	TF	SEM	p-value
Fat (%)
Colostrum	6.78	6.77	0.567	0.995
Milk (d 21)	7.17	6.76	0.289	0.642
Lactose (%)
Colostrum	4.02^a	4.42^b	0.168	0.049
Milk (d 21)	5.82	5.95	0.074	0.954
Protein (%)
Colostrum	8.96^a	6.94^b	0.936	0.041
Milk (d 21)	4.80	4.59	0.107	0.891
Solid-not-fat (%)
Colostrum	13.43^a	11.84^b	0.785	0.049
Milk (d 21)	10.83	10.76	0.084	0.974
Total solid (%)
Colostrum	21.71^c	20.22^d	0.915	0.081
Milk (d 21)	19.26	18.65	0.362	0.746

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.