Table 5.

Event and miscellaneous data (mean ± SE) collected on groups of piglets during Experiment 2.

Variable 1	CO2	N2O	p-Value
Average Day of Age	2.28 ± 0.64	1.71 ± 0.45	0.480
Average Weight (kg)	0.67 ± 0.07	0.61 ± 0.03	0.825
Squeals/Minute	0.48 ± 0.25	4.90 ± 1.41	0.004 *
Escape Attempts/Piglet	0.17 ± 0.12	0.79 ± 0.32	0.021 *
Righting Responses/Piglet	0.36 ± 0.06	1.41 ± 0.39	0.084 †
CO2 Total Time (min)	8.56 ± 0.18	6.56 ± 0.34	<0.001 *
Procedure Total Time (min)	11.56 ± 0.59	14.54 ± 0.50	0.001 *

¹ min = minute, kg = kilogram; * p < 0.05 significant statistical difference; ^† 0.05 < p < 0.10 trend.