Table 6.
Effects of star anise, essential oil, and leavings on intestinal histology in broilers.1
| Items | Control | Star anise | Essential oil | Leavings | SEM | P-value |
|---|---|---|---|---|---|---|
| Villus height, μm | ||||||
| Duodenum | 1,122.5 | 1,125.7 | 1,111.9 | 1,116.2 | 41.330 | 0.964 |
| Jejunum | 1,053.2c | 1,110.5b | 1,155.2a | 1,049.4c | 26.411 | <0.001 |
| Ileum | 879.7b | 882.8b | 947.5a | 882.3b | 35.110 | 0.049 |
| Crypt depth, μm | ||||||
| Duodenum | 202.0a | 197.6a | 181.5b | 193.7a | 5.607 | 0.002 |
| Jejunum | 157.8 | 154.0 | 158.8 | 157.5 | 5.512 | 0.637 |
| Ileum | 136.5 | 137.0 | 141.1 | 138.6 | 7.279 | 0.803 |
| Villus height/Crypt depth ratio, μm/μm | ||||||
| Duodenum | 5.569b | 5.706b | 6.128a | 5.776b | 0.247 | 0.042 |
| Jejunum | 6.678b | 7.184a | 7.296a | 6.662b | 0.299 | 0.019 |
| Ileum | 6.452b | 6.447b | 6.730a | 6.398b | 0.136 | 0.019 |
a-cMeans within a row with different letters differ significantly (P < 0.05).
1
Data are means for 8 replicates per treatment.