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% | 50% | 70% | ||||
| Meat color | ||||||
| L*45min | 49.67 | 48.08 | 47.91 | 50.95 | 0.49 | 0.061 |
| a*45min | 13.54 | 14.22 | 13.78 | 13.47 | 0.20 | 0.606 |
| b*45min | 6.34 | 6.12 | 6.18 | 6.94 | 0.19 | 0.462 |
| L*24h | 52.38 | 51.44 | 55.17 | 53.07 | 0.70 | 0.309 |
| a*24h | 13.68 | 13.49 | 13.49 | 13.34 | 0.25 | 0.980 |
| b*24h | 4.96 | 5.84 | 6.05 | 5.90 | 0.29 | 0.608 |
| pH value | ||||||
| pH45min | 6.65 | 6.66 | 6.76 | 7.07 | 0.10 | 0.402 |
| pH24h | 5.58b | 5.63b | 6.31a | 6.59a | 0.14 | 0.002 |
| Drip loss | ||||||
| Shear force, N | 78.36 | 73.97 | 67.59 | 51.47 | 5.09 | 0.278 |
| Moisture, % | 0.71 | 0.72 | 0.72 | 0.80 | 0.02 | 0.275 |
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.