Table 2.
Effects of dietary betaine on laying performance of goose breeders
| Items4 | CON1 | LBT2 | HBT3 | SEM5 | P-value |
|---|---|---|---|---|---|
| Laying rate, % | 30.96 | 36.40 | 34.88 | 1.012 | 0.065 |
| Egg mass (g/bird/d) | 45.52 | 50.93 | 49.54 | 0.987 | 0.059 |
| ADFI (g/bird/d) | 249.15 | 248.51 | 248.29 | 0.222 | 0.277 |
| FCR (feed/egg, g/g) | 5.60 | 5.00 | 5.16 | 0.111 | 0.065 |
| Average egg weight, g | 142.49 | 141.92 | 142.02 | 0.659 | 0.938 |
| Qualified egg rate, % | 87.36 | 89.60 | 89.82 | 0.551 | 0.128 |
1CON, control received only the basal diet.
2LBT, basal diet supplemental with 2.5 g/kg betaine.
3HBT, basal diet supplemental with 5 g/kg betaine.
4ADFI, average daily feed intake; FCR, feed conversion ratio.
5SEM, standard error of the mean (n = 5).