Table 4.
Effects of inclusion of black soldier fly larva meal (BSFLM) in corn–soybean meal diet fed to laying pullets (19 to 27 wk of age) on egg production, average egg weight, egg mass, and FCR.
| Item | Hen day egg production (%) | Average egg weight (g) | Egg mass (g/d) | Feed intake (g/bird/d) | FCR |
|---|---|---|---|---|---|
| Main effect of BSFLM inclusion (%) | |||||
| 0.0 | 89.4a | 50.5a | 45.8a | 92.2b | 2.256b |
| 5.0 | 84.8b | 50.1b | 43.0b | 92.0b | 2.385a,b |
| 7.5 | 87.8a | 50.4a,b | 44.8a,b | 95.7a | 2.430a |
| SEM | 0.642 | 0.123 | 0.327 | 0.350 | 0.042 |
| Main effect of age (wk) | |||||
| 19 | 46.0d | 42.3g | 19.4g | 63.8f | 4.250a |
| 20 | 73.9c | 44.2f | 32.7f | 89.4d | 3.050b |
| 21 | 89.0b | 46.5e | 41.4e | 76.7e | 1.904c |
| 22 | 94.4a | 49.8d | 47.0d | 94.6c | 2.044c |
| 23 | 96.3a | 51.8c | 49.9c | 96.5c | 1.954c |
| 24 | 96.0a | 53.4b | 51.3b | 97.0c | 1.905c |
| 25 | 96.2a | 54.4a,b | 52.3a,b | 102.2b | 1.973c |
| 26 | 96.6a | 54.9a | 53.1a | 110.2a | 2.089c |
| 27 | 97.2a | 55.3a | 53.7a | 109.1a | 2.045c |
| SEM | 1.029 | 0.197 | 0.511 | 0.561 | 0.067 |
| Probabilities | |||||
| BSFLM | <0.01 | 0.038 | <0.01 | <0.01 | 0.010 |
| Week | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 |
| BSFLM*wk | 0.089 | 0.237 | 0.031 | <0.01 | 0.797 |
| Response to BSFLM inclusion | |||||
| Linear | 0.005 | 0.263 | 0.002 | <0.01 | 0.003 |
| Quadratic | <0.01 | 0.021 | <0.01 | <0.01 | 0.794 |
Note: Means assigned different letters (a–f) within a factor of analysis (BSFLM, wk) are significantly different, P < 0.05.