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. 2016 Mar 19;2(2):79–85. doi: 10.1016/j.aninu.2016.03.004

Table 4.

Effect of dietary treatments1 on carcass and meat quality.

Item Control
Diet 2
Diet 3
P-value2
B G x¯ B G x¯ B G x¯ T S T × S
Hot carcass weight, kg 78.25 76.16 77.21 78.25 76.16 77.21 75.98 75.91 75.95 ns ns ns
Carcass yield, % 76.99 75.16 76.08 77.21 75.16 76.19 74.76 74.83 74.80 ns ns ns
Carcass length, cm 76.33 77.98 77.17 76.33 77.98 77.17 77.32 80.01 78.66 ns ns ns
Back-fat thickness, cm 2.59 2.54 2.57 2.59 2.54 2.57 2.72 2.34 2.54 ns ns ns
Loin eye area, cm2 45.68b 52.85a 49.28B 45.68b 52.85a 49.28B 54.41b 59.48a 56.94A * ** ns
Longissimus dorsi muscle pH
pH45 (at 45 min post–slaughter) 5.89b 6.41a 6.15 6.17 6.15 6.16 5.83b 6.41a 6.12 ns * ns
pH24 h (at 24 h post–slaughter) 5.23 5.52 5.38 5.44 5.30 5.37 5.14 5.38 5.26 ns ns ns
Color parameters
Lightness (L) 46.39 46.08 46.24A 41.61b 43.04a 42.33B 40.99b 43.27a 42.13B * * *
Redness (a) 8.99b 11.91a 10.45 11.81 10.54 11.18 9.49 9.32 9.41 ns * ns
Yellowness (b) 7.46b 9.35a 8.41B 8.90 8.56 8.73A 7.55 8.34 7.96B * * *
Water holding capacity
Drip loss, % 5.48b 7.36a 6.42 4.81b 6.13a 5.47 7.00a 6.15b 6.58 ns * ns
Cooking loss, % 30.96b 33.40a 32.18A 32.16 33.04 32.60A 29.99 30.10 30.05B * * *
Thawing loss, % 11.71 12.90 12.31 11.89 11.65 11.77 10.66b 13.89a 12.28 ns * ns
Shear force, kg/cm2 6.24 7.34 6.79 6.21 6.57 6.39 6.64 6.76 6.70 ns ns ns

B = Barrows; G = Gilts.

a,b,A,B Means within rows with different superscripts differ (P < 0.05).

1

Control, diet contained without oil supplementation; Diets 2 and 3 consisted of the control diet supplemented with 3% oil, which contained a mixture of coconut and canola oil to UFA:SFA ratios of 2.5:1 and 5:1, respectively.

2

T = effect of treatment diet; S = effect of the gender of the pigs * (P < 0.05), **(P < 0.01).