Table 5.
Effects of star anise, essential oil, and leavings on relative organ weights and intestinal lengths of broilers.1
| Items | Control | Star anise | Essential oil | Leavings | SEM | P-value |
|---|---|---|---|---|---|---|
| Relative weight, g/kg BW | ||||||
| Duodenum | 5.465 | 5.305 | 5.339 | 5.227 | 1.034 | 0.987 |
| Jejunum | 11.190 | 11.608 | 10.910 | 10.579 | 1.582 | 0.769 |
| Ileum | 7.905 | 7.996 | 7.949 | 7.964 | 1.357 | 1.000 |
| Liver | 17.42 | 17.50 | 17.62 | 17.43 | 0.771 | 0.975 |
| Spleen | 1.152c | 1.232a,b | 1.259a | 1.160b,c | 0.057 | 0.020 |
| Thymus | 5.111b | 5.360a | 5.347a | 5.088b | 0.142 | 0.010 |
| Bursa of Fabricius | 0.657 | 0.659 | 0.638 | 0.647 | 0.033 | 0.738 |
| Relative length, cm/kg BW | ||||||
| Duodenum | 14.961 | 14.727 | 14.660 | 14.511 | 1.719 | 0.980 |
| Jejunum | 33.913 | 32.956 | 33.396 | 33.755 | 5.064 | 0.991 |
| Ileum | 33.546 | 33.497 | 33.707 | 34.351 | 4.780 | 0.991 |
a-cMeans within a row with different letters differ significantly (P < 0.05).
1
Data are means for 8 replicates per treatment.