Table 3. Rumen fermentation of finishing steers fed a total mixed ration supplemented with ensiled mulberry leaves (EML) or sun-dried mulberry fruit pomace (SMFP).
Item | Experimental diet1 | SEM | P-value | ||
CONT | EML | SMFP | |||
pH value | 5.51 | 5.65 | 5.71 | 0.08 | 0.2024 |
Ammonia N (mg/dL) | 17.82a | 17.93a | 11.95b | 1.44 | 0.0076 |
Total VFA (mM) | 83.16a | 83.87a | 70.65b | 3.88 | 0.0427 |
Individual VFA (mM/100 mM)) | |||||
Acetate | 68.26b | 69.13b | 70.78a | 0.43 | 0.0015 |
Propionate | 20.07a | 19.40a,b | 18.57b | 0.30 | 0.0085 |
Isobutyrate | 0.77a,b | 0.80a | 0.63b | 0.05 | 0.0466 |
Butyrate | 8.14 | 7.99 | 7.86 | 0.25 | 0.7361 |
Isovalerate | 1.38a | 1.43a | 1.12b | 0.06 | 0.0053 |
Valerate | 1.38a | 1.25a | 1.04b | 0.05 | 0.0008 |
Acetate/Propionate | 3.41b | 3.58b | 3.82a | 0.07 | 0.0022 |
1 CONT = control; EML = ensiled mulberry leaves; SMFP = sun-dried mulberry fruit pomace.
a,b Values in the same row with different superscripts are significantly different (P<0.05).