TABLE 3.
Least square means of body weight, nutrient intake and apparent total tract digestibility (%) of Hanwoo and Holstein steers fed by the TMR and SF systems.
| Item |
Hanwoo |
Holstein |
SEM |
P-value |
||||
| TMR | SF | TMR | SF | Breed | FS | Breed × FS | ||
| Initial BW, kg | 297.2 | 292.7 | 305.2 | 338.2 | 26.9 | – | – | – |
| Final BW, kg | 313.7 | 297.2 | 338.2 | 367.2 | 29.9 | – | – | – |
| ADG, kg/d | 0.6 | 0.6 | 1.1 | 1.0 | 0.26 | 0.014 | 0.411 | 0.591 |
| Intake (kg/d) | ||||||||
| DM | 5.7 | 5.1 | 6.4 | 7.6 | 0.65 | 0.093 | 0.401 | 0.026 |
| OM | 5.3 | 4.6 | 6.0 | 6.9 | 0.60 | 0.093 | 0.841 | 0.031 |
| NDF | 2.2 | 1.9 | 2.5 | 2.7 | 0.28 | 0.161 | 0.540 | 0.058 |
| ADF | 1.1 | 0.9 | 1.2 | 1.3 | 0.15 | 0.184 | 0.736 | 0.073 |
| CP | 0.8 | 0.7 | 0.9 | 1.1 | 0.09 | 0.067 | 0.008 | 0.013 |
| GEI, MJ/d | 103.4 | 100.1 | 116.4 | 149.2 | 12.50 | 0.088 | 0.028 | 0.015 |
| Digestibility (%) | ||||||||
| DM | 50.2 | 40.1 | 52.8 | 53.9 | 5.07 | 0.127 | 0.466 | 0.319 |
| OM | 54.1 | 41.3 | 55.9 | 52.3 | 6.29 | 0.310 | 0.169 | 0.399 |
| NDF | 37.6 | 37.9 | 39.9 | 44.3 | 4.69 | 0.437 | 0.677 | 0.717 |
| ADF | 30.2 | 32.0 | 30.9 | 41.8 | 5.06 | 0.391 | 0.304 | 0.459 |
| CP | 41.9 | 34.0 | 43.0 | 51.6 | 6.14 | 0.132 | 0.954 | 0.181 |
| GE | 56.1 | 44.5 | 58.1 | 55.0 | 5.93 | 0.325 | 0.125 | 0.322 |
ADF, acid detergent fibre; ADG, average daily gain; BW, body weight; CP, crude protein; DM, dry matter; FS, feeding system; GEI, gross energy intake; NDF, neutral detergent fibre; OM, organic matter; SF, separate feeding; TMR, total mixed ration. Number of steers = 8.