Table 5.
Effects of different nutrient level on hormone profiles of lactating sows during summer season
| Items | ST1) | HE11) | HE21) | SEM | p-value |
|---|---|---|---|---|---|
| FSH (nmol/L)* | |||||
| Post farrowing | 6.55 | 6.52 | 6.49 | 0.13 | 0.892 |
| Weanling (24 d old) | 9.60 | 9.82 | 9.89 | 0.10 | 0.204 |
| LH (nmol/L)* | |||||
| Post farrowing | 1.68 | 1.62 | 1.56 | 0.06 | 0.217 |
| Weanling (24 d old) | 1.94 | 2.07 | 2.16 | 0.06 | 0.098 |
| Cortisol (nmol/L)* | |||||
| Post farrowing | 17.51 | 16.66 | 17.05 | 1.20 | 0.879 |
| Weanling (24 d old) | 12.41 | 11.83 | 11.39 | 0.56 | 0.444 |
| Insulin (pmol/L)* | |||||
| Post farrowing | 143.1 | 141.9 | 145.6 | 6.31 | 0.913 |
| Weanling (24 d old) | 121.1 | 125.4 | 128.2 | 4.39 | 0.538 |
SEM, standard error of means; FSH, follicle stimulating hormone; LH, luteinizing hormone.
1)
ST, standard diet, NRC [19]; HE1, high nutrient level 1, ST+3% higher energy and 16.59% protein; HE2, high nutrient level 2, ST+6% higher energy and 17.04% protein.
*
Significant difference in values between post farrowing and weanling (p<0.05).