Table 1.

The body damage, feather condition, tibia size, and body weight of focal hens in different tier-groups.

		Tier-groups				P value
Site		Group 1 (n = 12)	Group 2 (n = 12)	Group 3 (n = 12)	Group 4 (n = 12)
Body damage	Rear part of body	3.83 ± 0.39	3.92 ± 0.29	3.83 ± 0.58	3.83 ± 0.58	0.914
	Comb	3.67 ± 0.49	3.75 ± 0.62	3.67 ± 0.49	3.75 ± 0.45	0.842
	Total score	7.50 ± 0.67	7.67 ± 0.65	7.50 ± 0.90	7.58 ± 0.67	0.896
Feather condition	Neck	2.50 ± 0.67	2.83 ± 0.58	2.67 ± 0.49	3.08 ± 0.67	0.129
	Breast	1.92 ± 1.00	2.42 ± 0.90	2.42 ± 1.00	3.00 ± 0.95	0.071
	Back	1.58 ± 1.00A	1.92 ± 0.51AB	2.42 ± 0.90AB	2.75 ± 0.87B	0.005
	Tail	1.58 ± 1.00	1.50 ± 0.67	2.00 ± 1.13	2.50 ± 1.17	0.091
	Cloaca	2.25 ± 0.75	2.58 ± 0.51	2.83 ± 0.94	3.00 ± 0.85	0.140
	Wings	2.17 ± 0.58A	2.67 ± 0.49AB	3.33 ± 0.49B	3.33 ± 0.49B	0.000
	Total score	12.00 ± 4.37A	13.92 ± 2.43AB	15.67 ± 4.23AB	17.67 ± 3.85B	0.006
Tibia size	Tibia length (mm)	94.23 ± 3.33A	97.82 ± 1.59B	96.05 ± 1.26B	96.59 ± 1.99B	0.002
	Tibia width (mm)	8.23 ± 0.50	8.08 ± 0.27	8.07 ± 0.32	8.02 ± 0.27	0.496
Weight	Body weight (kg)	1.72 ± 0.13	1.83 ± 0.11	1.77 ± 0.16	1.73 ± 0.16	0.224

Different superscripts of uppercase letters in the same line indicate significant difference of P < 0.01.

Six body parts for feather condition and body damage—all at scores of 1 to 4, with higher scores indicating better integument status.