Table 3. Effects of different farrowing facilities on gestation length, farrowing duration and farrowing interval in primiparous sows

Items	CON	LFP	SEM	p-value
Gestation length (d)	115.27	114.91	0.60	0.676
Farrowing duration (min)	326.2	151.0	40.3	0.017
Farrowing interval (min)	25.9	12.6	2.89	0.011

Data represents means based on eleven replicates primiparous sows per treatment.
CON, conventional farrowing facilities; LFP, loosed farrowing pens; SEM, standard error of means.