Table 4.
Grain2 | Forage2 | P-value | ||||||
---|---|---|---|---|---|---|---|---|
Item | Angus | Holstein | Angus | Holstein | SEM | Diet | Breed | Diet × Breed |
Animals, n | 5 | 6 | 6 | 6 | — | — | — | — |
Reticulorumen contents, 0 h | ||||||||
Wet, kg | 88.1 | 85.1 | 102.4 | 108.3 | 6.26 | <0.01 | 0.80 | 0.45 |
Dry, kg3 | 12.6 | 11.6 | 13.4 | 14.4 | 1.48 | 0.08 | 0.99 | 0.35 |
Reticulorumen contents, 3 h | ||||||||
Wet, kg | 105.8 | 109.6 | 114.1 | 139.4 | 7.11 | 0.01 | 0.04 | 0.12 |
Dry, kg3 | 19.3 | 19.0 | 17.0 | 20.3 | 1.54 | 0.70 | 0.31 | 0.22 |
1Total rumen evacuation was conducted prior to animal feeding (0 h) and 3 h post-feeding on two consecutive days.
2Grain = diet contained 71% cracked corn, 20% grass hay, 7% soybean meal, and 2% mineral and vitamin supplement; Forage = diet contained 9.25% cracked corn, 80% grass hay, 8.75% soybean meal, and 2% mineral and vitamin supplement.
3Calculated on DM basis.