Table 5.
Concentration of retinol, insulin and leptin of plasma in Hanwoo steers
| Item | Treatments1),2) | p value | |
|---|---|---|---|
|
| |||
| CON | TMR | ||
| Retinol (IU/mL) | |||
| Growing period3) | 252.98±37.56 | 385.88±34.53 | 0.021 |
| Fattening period3) | 280.13±49.01 | 365.05±36.62 | 0.192 |
| Finishing pWeriod3) | 294.58±35.61 | 367.57±34.61 | 0.185 |
| Insulin (ng/mL) | |||
| Growing period | 0.72±0.25 | 0.69±0.34 | 0.963 |
| Fattening period | 2.18±0.38 | 1.94±0.30 | 0.652 |
| Finishing period | 2.56±0.44 | 2.55±0.29 | 0.992 |
| Leptin (ng/mL) | |||
| Growing period | 0.87±0.10 | 1.52±0.38 | 0.291 |
| Fattening period | 2.42±0.38 | 3.47±0.34 | 0.770 |
| Finishing period | 4.93±0.42 | 4.52±0.23 | 0.356 |
TMR, total mixed ration; SE, standard error.
1)
Mean±SE.
2)
CON, steers fed concentrate and rice straw separately; TMR, steers fed a TMR.
3)
Growing period, 8–12 month of age; fattening period,13–23 month of age; finishing period, 24–30 month of age.