Table 1 Influence of dietary fibre on microbial degradation of tryptophan (TRP) to indole, indole propionic acid (IPA) and skatole in the hind gut of male pigs.
From: Prevention of boar taint in pig production. Factors affecting the level of skatole
| Â | Indole*) | IPA*) | Skatole*) | Total indoles*) | ||||
|---|---|---|---|---|---|---|---|---|
Fibre content | Low | High | Low | High | Low | High | Low | High |
Basic production in the hind gut, 12 h | 960 | 290 | 10 | 30 | 480 | 230 | 1450 | 550 |
Total production following infusion of TRP, 12 h | 4360 | 2000 | 370 | 800 | 1760 | 540 | 6490 | 3340 |
Production caused by infusion of TRP | 3400 | 1710 | 360 | 770 | 1280 | 310 | 5040 | 2790 |
Infused TRP | 4900 | 4900 | 4900 | 4900 | 4900 | 4900 | 4900 | 4900 |
Percent of infused TRP converted | 69% | 35% | 7% | 16% | 26% | 6% | 103% | 57% |