Table 4.
Rumen pH, NH3-N, and VFA of Murciano-Granadina goats (n = 10) during mid-lactation according to the type of diet.
| Itema | Dietb | SEM | P-value | |
|---|---|---|---|---|
| ALF | LEM | |||
| Rumen pH | 7.1 | 7.0 | 0.06 | 0.893 |
| NH3-N, mg/dL | 20.5 | 10.4 | 2.52 | 0.041 |
| Total VFA, mM | 45.1 | 40.6 | 2.70 | 0.103 |
| Individual VFA, mol/100 mol | ||||
| Acetic acid | 56.1 | 54.4 | 1.02 | 0.457 |
| Propionic acid | 20.3 | 16.8 | 1.06 | 0.104 |
| Iso-butyric acid | 1.5 | 2.1 | 0.28 | 0.349 |
| Butyric acid | 17.7 | 18.4 | 1.38 | 0.825 |
| Isovaleric acid | 1.8 | 2.6 | 0.35 | 0.313 |
| N-valeric acid | 1.7 | 2.8 | 0.32 | 0.103 |
| N-caproic acid | 0.5 | 1.3 | 0.35 | 0.334 |
| Heptanoic acid | 0.4 | 1.7 | 0.52 | 0.246 |
aNH3-N = ammonia nitrogen.
bALF = Alfalfa; LEM = Lemon leaves.