Table 2.
The effect of dietary Ca level on performance of laying White King pigeons.
| Item | Ca Supplemental Level (%) | SEM | p-Value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3.00 | 2.40 | 1.80 | 1.20 | 0.90 | 0.60 | ANOVA | Linear | Quadratic | ||
| Body weight gain (g) | −2.38 | −14.67 | −8.67 | −14.17 | −3.14 | 9.68 | 2.635 | 0.065 | 0.110 | 0.014 |
| Daily feed intake (g/day) | 36.85 | 36.74 | 35.65 | 37.29 | 36.00 | 35.74 | 2.347 | 0.833 | 0.520 | 0.878 |
| Laying rate (%) | 6.35 a | 6.57 a | 8.04 b | 9.76 c | 8.67 bc | 7.60 ab | 0.250 | 0.000 | 0.001 | 0.000 |
| Average egg weight (g) | 22.34 abc | 22.05 bc | 22.45 abc | 21.28 b | 22.47 ac | 23.42 a | 0.173 | 0.023 | 0.113 | 0.018 |
| Feed to egg ratio (g/g) | 13.71 a | 11.64 ab | 9.87 b | 9.73 b | 10.16 b | 10.71 b | 0.332 | 0.002 | 0.004 | 0.002 |
Different letters indicate significant differences (p < 0.05).