Table 6. Effects of environmental enrichment on skin lesion score in weanling pigs

Item	Control	EE-1	EE-2	EE-4	SEM	p-value
Phase 1 (d 14)
Skin lesion score	45.40a	43.80ab	40.74ab	37.23b	2.41	0.015
Phase 2 (d 28)
Skin lesion score	78.76	75.50	75.90	78.09	3.02	0.644

Means with different superscripts in the same row differ significantly (p < 0.05).
EE-1, inclusion of play object until one week after weaning; EE-2, inclusion of play object until two weeks after weaning; EE-4, inclusion of play object until four weeks after weaning.