Table 1. Perimysium widths and collagen content in the ITL muscle.

		Chicken groups
		Control	0.15% Col-Pep	0.3% Col-Pep
Perimysium width (µm)
	Thick perimysium	4.41 ± 1.5a	4.22 ± 1.2a	4.74 ± 1.4b
	style="pading-left:10pt"Thin perimysium	17.33 ± 6.1a	16.47 ± 6.5a	19.87 ± 7.6b
Collagen content (mg/g)		1.51 ± 0.18	1.67 ± 0.20	1.64 ± 0.16

Data are shown as the mean ± standard deviation. a,b: Significant differences among the three groups (P<0.01).