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Effects of dietary Forsythia suspensa extract (FSE) supplement on serum growth hormone and IGF- I concentrations (ng/ml) in broilers
| Items | Treatments | SEM | p value | ||
|---|---|---|---|---|---|
|
| |||||
| NC | FC | PC | |||
| Growth hormone (ng/ml) | |||||
| d 21 | 6.20 | 6.27 | 5.85 | 0.39 | 0.91 |
| d 42 | 4.24 | 5.01 | 4.19 | 3.63 | 0.63 |
| Insulin-like growth factor-I (ng/ml) | |||||
| d 21 | 209.63 | 209.04 | 217.22 | 0.37 | 0.61 |
| d 42 | 206.31 | 228.48 | 180.66 | 9.48 | 0.12 |
