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Table 1 Means and standard deviation for body composition and meat quality traits measured at 6 weeks

From: Mapping QTL for white striping in relation to breast muscle yield and meat quality traits in broiler chickens

Traits*

Number

pHu +

pHu -

Male

Female

Male

Female

(N = 135)

(N = 143)

(N = 118)

(N = 162)

BW (g)

558

2990 ± 298

2588 ± 222

2995 ± 327

2631 ± 186

PMY (%)

558

8.45 ± 0.85

8.73 ± 0.67

8.28 ± 0.64

8.36 ± 0.55

PmY (%)

555

1.86 ± 0.15

2.00 ± 0.16

1.83 ± 0.13

1.94 ± 0.12

BMY (%)

555

20.63 ± 1.84

21.46 ± 1.43

20.21 ± 1.43

20.61 ± 1.24

TY (%)

556

23.08 ± 1.31

22.40 ± 1.13

22.67 ± 1.13

22.10 ± 0.97

AFP (%)

556

1.73 ± 0.34

2.06 ± 0.38

1.70 ± 0.31

2.03 ± 0.34

L*

556

44.98 ± 3.90

44.75 ± 3.41

53.09 ± 2.91

52.65 ± 3.10

a*

556

−0.28 ± 0.61

−0.19 ± 0.64

0.03 ± 0.63

0.06 ± 0.49

b*

554

10.79 ± 1.37

10.72 ± 1.28

12.84 ± 1.20

12.70 ± 1.10

DL (%)

558

2.14 ± 1.52

1.91 ± 1.08

4.42 ± 1.49

4.19 ± 1.40

CL (%)

555

9.40 ± 2.40

8.80 ± 1.81

11.19 ± 2.18

10.34 ± 1.76

CCY (%)

536

85.81 ± 3.86

86.73 ± 3.36

83.26 ± 4.10

83.72 ± 4.10

SF (N/cm2)

556

11.44 ± 2.14

10.85 ± 2.08

16.44 ± 2.78

15.77 ± 2.77

IFP (%)

555

1.54 ± 0.47

1.37 ± 0.37

1.58 ± 0.39

1.33 ± 0.35

TBA-RS

554

0.35 ± 0.42

0.28 ± 0.34

0.57 ± 0.42

0.45 ± 0.37

WS (%)

557

61.5

73.4

42.7

42.6

  1. aBW body weight, PMY Pectoralis major yield, PmY Pectoralis minor yield, BMY breast meat yield, TY thigh yield, AFP abdominal fat percentage, L* lightness, a* redness, b* yellowness, DL drip loss, CL cooking losses, CCY curing-cooking yield, SF shear force, IFP intramuscular fat content, TBA-RS thiobarbituric acid-reactive substance, WS white striping