Table 6.
Effect of glycerol tributyrate on blood hormone levels of broiler breeders with different egg-laying rate.1
| Item | E2, pmol/L | FSH, U/L | Testosterone, nmol/L | AMH, pg/mL | Progesterone, pmol/L | |
|---|---|---|---|---|---|---|
| Laying | TRI | |||||
| AR | − | 63.12 | 7.34 | 197.12 | 229.11a | 1811.07 |
| AR | + | 69.34 | 7.17 | 191.54 | 244.45a | 1827.62 |
| LR | − | 64.11 | 6.69 | 174.1 | 164.98b | 1817.08 |
| LR | + | 66.54 | 7.51 | 188.64 | 147.41b | 1724.34 |
| SEM | 3.47 | 0.39 | 13.49 | 16.6 | 114.27 | |
| P-value | 0.85 | 0.13 | 0.69 | 0.01 | 0.27 | |
| P-value | ||||||
| Laying | 0.65 | 0.61 | 0.85 | 0.02 | 0.23 | |
| TRI | 0.84 | 0.08 | 0.92 | 0.17 | 0.26 | |
| Laying × TRI | 0.47 | 0.12 | 0.24 | 0.57 | 0.26 | |
Abbreviations: AMH, anti-Müllerian hormone; AR, average egg laying rate; E2, estradiol; FSH, follicle stimulating hormone; LR, low egg laying rate; TRI, 1,000 mg/kg tributyrin.
Means with different superscripts within a column differ significantly (P ≤ 0.05).
Each mean represents 2 layers/replicate, 8 replicates/treatment.