Table 1. Effects of isoflavones and fescue seed type on neutral detergent fiber (aNDFD), acid detergent fiber (ADF) and crude protein (CP) disappearance after rumen fluid incubation (48 h).
| Measurement (%) | Isoflavone Treatment1 | SEM | P-value | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Control | Powder | Tablet | |||||||||
| Fescue Seed2 | |||||||||||
| E+ | E- | E+ | E- | E+ | E- | Seed | Isoflavone Treatment | Seed × Isoflavone Treatment | |||
| aNDF | 9.11 | 12.52 | 12.72 | 15.84 | 12.74 | 13.68 | 1.24 | 0.003 | 0.005 | 0.432 | |
| ADF | 1.72c | 3.21bc | 7.01a | 2.19c | 1.27c | 5.91b | 1.03 | 0.36 | 0.009 | < 0.001 | |
| CP | 2.44d | 12.23a | 6.98bc | 7.33bc | 4.01cd | 9.08ab | 0.93 | < 0.001 | 0.689 | 0.0002 | |
1Treatment: control, isoflavone powder, or isoflavone pulverized tablet.
2Seed type: KY 31 endophyte-infected (E+) tall fescue seed, KY 32 endophyte-free (E-) tall fescue seed.
abcd Within an isoflavone treatment, seed types with like superscripts are not different at P = 0.05