Table 2.

Effects of pen location (L) and recording period (P)^a on growth parameters in grow-to-finish pigs during late summer

	P1		P2		P3			P-value
Parameters	PPb	IPc	PP	IP	PP	IP	SEM	L	P	L × P
ADFI, kg	2.12	2.11	2.21	2.17	2.50	2.45	0.08	0.71	<0.01	0.96
ADG, kg	0.68	0.69	0.68	0.74	0.80	0.81	0.03	0.28	<0.01	0.78
G:F, kg/kg	0.32	0.33	0.32	0.35	0.32	0.33	0.01	0.02	0.40	0.18

^aMeasurement once every 2 weeks

^bPeripheral pens, located 0.70 ± 0.29 m to either side of the closest fan

^cInternal pens, located in direct line of sight between the fans and the air inlets