Table 1 Means and standard deviations for histological traits measured in pectoralis major muscle cross-sections.

From: Differential expression and co-expression gene network analyses reveal molecular mechanisms and candidate biomarkers involved in breast muscle myopathies in chicken

Traits

SG (N = 8)

FG-C (N = 8)

FG-WSWB (N = 8)

p-value

Collagen VI,%*

2.13 ± 0.73a

9.06 ± 2.96b

14.73 ± 4.14c

1.58 × 10−7

Adipose tissue, %*

0.05 ± 0.12a

0.36 ± 0.27a

1.10 ± 0.82b

1.29 × 10−3

Number of fibres per field

203.7 ± 21.2a

51.1 ± 11.4b

45.1 ± 9.5b

2.50 × 10−15

Number of capillaries per field

36.7 ± 8.2a

24.0 ± 7.2b

17.0 ± 5.3c

3.44 × 10−4

Number of fibres per capillary

6.3 ± 2.3a

2.3 ± 0.9b

2.9 ± 1.2b

1.20 × 10−4

Fibre surface per capillary, µm2

12961 ± 3985a

20169 ± 4248b

22150 ± 5681b

3.89 × 10−3

Fibre size, µm**

25.0 ± 1.8a

55.2 ± 8.5b

48.2 ± 11.4b

5.22 × 10−6

Coefficient of variation of fibre size, %

25.5 ± 2.0a

37.8 ± 7.9a

50.5 ± 10.7b

3.14 × 10−3

  1. *Relative area (%) occupied by collagen VI or adipose tissue.
  2. **Calculated from the Feret’s minimum diameter.
  3. a,b,cAnalysis of variance performed with the group factor for each trait. Different superscripts in each line indicate significant differences between groups, as determined by pairwise comparison (p-values ≤ 0.05).