Table 5. Effects of dietary modifications with boron and phytase on the ash and mineral content of breast muscle (Pectoralis major) and liver in broiler chickens.
| Breast muscle |
Liver |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diet1 | Control | Boron | Phytase | Boron + Phytase | SEM2 | P-value | Control | Boron | Phytase | Boron + Phytase | SEM2 | P-value |
| Ash (%) | 4.18 | 4.33 | 4.32 | 4.26 | 0.07 | 0.4108 | 4.67 | 4.61 | 4.43 | 4.43 | 0.12 | 0.3760 |
| Ca (µ g/g) | 173 | 178 | 163 | 164 | 6.6 | 0.3488 | 0.36 | 0.38 | 0.33 | 0.31 | 0.02 | 0.1939 |
| P (mg/g) | 9.59 | 9.92 | 9.91 | 9.80 | 0.23 | 0.7572 | 11.7 | 11.8 | 11.8 | 11.7 | 0.26 | 0.9970 |
| Mg (mg/g) | 1.18 | 1.16 | 1.17 | 1.18 | 0.02 | 0.8995 | 0.99 | 1.06 | 1.03 | 0.96 | 0.04 | 0.3520 |
| Fe (µ g/g) | 42.0 | 44.3 | 37.9 | 35.0 | 5.8 | 0.6901 | 0.53 | 0.48 | 0.49 | 0.44 | 0.03 | 0.4187 |
| Cu (µ g/g) | 4.93 | 4.54 | 3.40 | 3.84 | 0.66 | 0.3703 | 21.4 | 21.9 | 20.8 | 18.8 | 1.62 | 0.5429 |
| Zn (µ g/g) | 22.2 | 21.2 | 22.9 | 22.5 | 0.50 | 0.1327 | 95.9 | 97.4 | 95.1 | 96.6 | 2.70 | 0.9424 |
1
The broilers were fed a control diet that was formulated to meet the requirements for the strain (Ross 308) recommended by the breeder or a diet supplemented with preparations of boron (20 mg/kg), phytase (500 FTU g/kg phytase), or boron + phytase (20 mg/kg boron + 500 FTU g/kg phytase).
2
Data are means of 12 measurements each per treatment.