Table 2.
Hatching performance of yellow-feathered breeder hens.
| CL | CBH | CBL | SB | BAG | SEM | Value of p | |
|---|---|---|---|---|---|---|---|
| Fertility, % | 85.33 | 80.00 | 81.33 | 82.00 | 86.67 | 1.76 | 0.823 |
| Hatch of feritile eggs, % | 95.59ab | 97.50a | 89.53b | 90.89ab | 96.05ab | 1.08 | 0.029 |
| Chick weight, g | 44.14 | 44.79 | 43.67 | 42.91 | 42.65 | 0.31 | 0.061 |
ab
Means within a row lacking a common superscript differ significantly (p<0.05).
CL, control; CBL, low-level Clostridium butyricum; CBH, high-level Clostridium butyricum; SB, sodium butyrate; BAG, butyric acid glycerides; and SEM, standard error.