Table 6.
Effects of the dietary replacement of inorganic trace minerals with lower levels of organic trace minerals on the meat quality traits of growing-finishing pigs.
Items | 100% ITMs | OTMs | SEM | P-value | ||
---|---|---|---|---|---|---|
30% | 45% | 60% | ||||
Meat color | ||||||
L | 43.75 | 45.39 | 44.26 | 44.81 | 0.313 | 0.290 |
a | 16.66 | 15.72 | 15.84 | 16.35 | 0.225 | 0.428 |
b | 6.17 | 5.97 | 5.91 | 6.25 | 0.109 | 0.666 |
L | 57.02 | 57.53 | 57.19 | 56.43 | 0.349 | 0.750 |
a | 15.83 | 15.54 | 15.46 | 15.62 | 0.169 | 0.894 |
b | 4.83 | 4.60 | 5.37 | 5.53 | 0.452 | 0.884 |
L | 57.15 | 57.88 | 57.87 | 56.93 | 0.356 | 0.724 |
a | 16.20 | 15.95 | 16.16 | 16.46 | 0.168 | 0.787 |
b | 3.05 | 2.50 | 2.68 | 3.05 | 0.118 | 0.263 |
pH value | ||||||
pH45min | 6.36 | 6.34 | 6.26 | 6.34 | 0.025 | 0.562 |
pH24h | 5.44 | 5.46 | 5.43 | 5.47 | 0.011 | 0.508 |
pH48h | 5.46 | 5.46 | 5.44 | 5.48 | 0.010 | 0.494 |
Drip loss | ||||||
Drip loss24h | 3.12 | 2.92 | 3.11 | 2.93 | 0.077 | 0.713 |
Drip loss48h | 3.75 | 3.86 | 3.93 | 3.84 | 0.123 | 0.970 |
Shear force, N | 52.15 | 57.96 | 59.45 | 59.88 | 2.082 | 0.555 |
Marbling score | 2.659 | 2.603 | 2.619 | 2.691 | 0.131 | 0.996 |
Moisture, % | 73.73 | 74.35 | 74.39 | 74.09 | 0.116 | 0.403 |
Values are presented as mean and pooled SEM, n = 6.
Data in the same row with no or the same letter indicate no significant difference (P > 0.05), while with different letters mean a significant difference (P < 0.05).
ITMs, inorganic trace minerals; OTMs, organic trace minerals; L*, lightness; a*, redness; b*, yellowness.