Table 1.
Chemical composition of the diet substrates and main Herbmix phytochemicals
| Substrate | DM | NDF | ADF | CP | N | Ash | Zinc | Phenolic acids |
Diterpenes | Flavonoids |
|---|---|---|---|---|---|---|---|---|---|---|
| (g/kg) | (g/kg DM) | (g/kg DM) | (g/kg DM) | (g/kg DM) | (g/kg DM) | (mg/kg) | (mg/g DM) | (mg/g DM) | (mg/g DM) | |
| Herbmix | 905 | 532 | 452 | 207 | 33 | 84 | 26.2 | 3.55 | 4.89 | 9.96 |
| Meadow hay | 900 | 651 | 556 | 163 | 27 | 91 | 66.3 | n.d. | n.d. | n.d. |
| Concentrate | 878 | 136 | 83 | 309 | 49 | 29 | 41.1 | n.d. | n.d. | n.d. |
| Concentrate + zinc |
876 | 254 | 93 | 352 | 56 | 30 | 88.8 | n.d. | n.d. | n.d. |
DM dry matter, NDF neutral-detergent fiber, ADF acid-detergent fiber, CP crude protein, N nitrogen, Ash mineral matter present in feed, n.d. not determined