Table 1.

Pre-weaning performance of piglets reared by restrictedly-fed sows (RES) or full-fed sows (FF) and their creep feed presented in a control feeder (CON) or play-feeder (PL) prior to weaning.

	RES		FF		Significance
	CON	PL	CON	PL	SF	PF	SF × PF
Creep feed intake, g/piglet
d 17–22	18.0 ± 5.2	35.8 ± 17.1	23.8 ± 11.4	17.9 ± 6.8	0.44	0.54	0.52
d 22–24	38.9 ± 13.8	59.4 ± 24.7	13.7 ± 4.5	16.4 ± 7.3	0.01	0.74	0.80
d 10–24a	61.5 ± 18.1	101.1 ± 41.8	44.6 ± 17.5	38.4 ± 13.8	0.09	0.58	0.66
ADG, g/piglet/d
d 10–17	145 ± 7	149 ± 8	192 ± 7	185 ± 8	<0.0001	0.97	0.35
d 17–24	205 ± 8	212 ± 9	263 ± 10	260 ± 11	<0.0001	0.74	0.50
d 10–24	208 ± 9	219 ± 9	259 ± 9	249 ± 10	<0.0001	0.87	0.19
Body weight, kg
d 0	1.37 ± 0.06	1.41 ± 0.06	1.36 ± 0.04	1.41 ± 0.08	0.95	0.51	0.81
d 4	1.80 ± 0.12	1.87 ± 0.08	1.80 ± 0.12	1.91 ± 0.11	0.55	0.90	0.78
d 24	5.70 ± 0.23	6.15 ± 0.19	6.91 ± 0.42	6.54 ± 0.32	0.01	0.87	0.21
Litter CV in BW, %
d 4	14.6 ± 1.3	15.5 ± 2.1	15.0 ± 1.4	14.6 ± 0.8	0.99	0.65	0.92
d 24	15.7 ± 1.8	17.1 ± 1.7	14.9 ± 1.9	16.4 ± 1.5	0.63	0.42	0.93

SF = sow feeding. PF = piglet feeding. Data are expressed as means ± SEM based on pen averages and were analysed with mixed models.

^aCreep feed intake was low from d 10–17 and therefore not analysed separately.