Table 4. Effect of different TMR diets on the blood parameters of growing Hanwoo heifers.
| Parameters | Treatments1) | p-value | ||
|---|---|---|---|---|
| CON | L-IRGS | H-IRGS | ||
| Albumin (g/dL) | 3.10 ± 0.21 | 3.01 ± 018 | 3.09 ± 0.16 | 0.6539 |
| AST (U/L) | 103.20 ± 27.62 | 92.70 ± 13.90 | 103.67 ± 17.40 | 0.4657 |
| Glucose (mg/dL) | 92.00 ± 6.91 | 95.70 ± 6.83 | 91.44 ± 11.06 | 0.0558 |
| Total cholesterol (mg/dL) | 100.00 ± 18.89 | 105.20 ± 13.68 | 112.44 ± 34.98 | 0.7052 |
| BUN (mg/dL) | 14.50 ± 2.01a | 13.50 ± 1.27ab | 12.44 ± 1.88b | 0.0453 |
| Total protein (mg/dL) | 7.16 ± 0.39 | 6.90 ± 0.29 | 7.09 ± 0.39 | 0.2901 |
1)
Treatments: CON, total mixed ration containing oat hay, timothy, and alfalfa hay; L-IRGS, total mixed ration containing 19% of Italian ryegrass silage; H-IRGS, total mixed ration containing 36% of Italian ryegrass silage.
a–c
Means with different superscripts in a row differ significantly (p < 0.05). Results are presented as mean ± SEM.
AST, aspartate aminotransferase; BUN, blood urea nitrogen.