Item | Diet with | SE |
---|
Rye straw | BF-based silage2)
|
---|
Ruminal pH | 6.6 | 6.6 | 0.1 |
Ruminal VFA (mM/ℓ) |
Acetate | 105.6 | 107.5 | 16.1 |
Propionate | 16.9 | 22.9 | 3.0 |
Butyrate | 4.5 | 4.7 | 1.1 |
Acetate/propionate | 5.9 | 4.7 | 0.7 |
NH3-N (mg/dl) | 13.2a
| 22.6b
| 1.0 |
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1)Means of 6 observations
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2)BF-based silage was by-product feed-based silage, which was composed of 45 % spent mushroom substrate, 21 % recycled poultry bedding, 11 % rye straw, 10.8 % rice bran, 10 % corn taffy residue, 1.0 % protected fat, 0.6 % bentonite, and 0.6 % microbial additive, and ensiled for 30 d
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a,bMeans with different superscripts within the same row are significantly different (p < 0.05)