Table 5.
Effect of in ovo injected and supplemental Zn breast meat quality in broilers at 35 days of age.
| Parameters | Con | In Ovo | Added Zn (mg/kg) | SEM 1 | p-Value | |
|---|---|---|---|---|---|---|
| 100 | 200 | |||||
| Proximate composition (%) | ||||||
| Moisture | 75.9 | 76.0 | 74.6 | 75.0 | 0.26 | 0.05 |
| Crude protein | 22.3 | 22.0 | 23.0 | 22.87 | 0.50 | 0.46 |
| Crude fat | 2.10 | 2.24 | 2.61 | 2.14 | 0.31 | 0.65 |
| Crude ash | 1.18 | 1.19 | 1.23 | 1.26 | 0.04 | 0.51 |
| pH | 5.92 ab | 6.01 a | 5.91 b | 5.81 c | 0.03 | <0.05 |
| Cooking lose (%) | 18.8 | 18.0 | 17.2 | 15.87 | 0.86 | 0.12 |
| WHC 2 (%) | 62.1 | 61.3 | 61.7 | 62.35 | 0.85 | 0.84 |
| Shear force (N) | 25.3 | 22.9 | 26.0 | 21.10 | 1.83 | 0.25 |
1 SEM, standard error of means. 2 WHC, water holding capacity. a–c Means in the same rows with different superscripts are significantly different (p < 0.05).