Table 7.
Abundance of bacterial 16S rDNA sequences (n = 391,488) isolated from the duodenum microbiota of local Omani chicken.
| Phylum | Class | Abundance of Sequence (No. of Sequence [%]) at Day: | |||
|---|---|---|---|---|---|
| Day 5 | Day 15 | Day 25 | Day 35 | ||
| Acidobacteria | Acidobacteriia | 0 (0) | 6 (0.007) | 1 (0.001) | 0 (0) |
| Blastocatellia | 0 (0) | 0 (0) | 3 (0.003) | 0 (0) | |
| Actinobacteria | Acidimicrobiia | 4 (0.004) | 0 (0) | 1 (0.001) | 0 (0) |
| Actinobacteria | 363 (0.400) | 506 (0.548) | 550 (0.497) | 2360 (2.42) | |
| Coriobacteriia | 5 (0.006) | 4 (0.004) | 33 (0.030) | 1 (0.001) | |
| Rubrobacteria | 5 (0.006) | 3 (0.003) | 6 (0.005) | 8 (0.008) | |
| Thermoleophilia | 1 (0.001) | 0 (0) | 8 (0.007) | 1 (0.001) | |
| Armatimonadetes | Fimbriimonadia | 0 (0) | 0 (0) | 5 (0.005) | 0 (0) |
| Bacteroidetes | Bacteroidia | 115 (0.127) | 587 (0.636) | 334 (0.302) | 65 (0.067) |
| Chitinophagia | 81 (0.089) | 30 (0.032) | 107 (0.097) | 25 (0.026) | |
| Cytophagia | 10 (0.011) | 0 (0) | 17 (0.015) | 22 (0.022) | |
| Flavobacteriia | 46 (0.051) | 11 (0.011) | 404 (0.365) | 74 (0.076) | |
| Sphingobacteriia | 0 (0) | 6 (0.007) | 23 (0.020) | 0 (0) | |
| Chlamydiae | Chlamydiia | 0 (0) | 0 (0) | 3 (0.003) | 0 (0) |
| Chloroflexi | Anaerolineae | 11 (0.012) | 0 (0) | 0 (0) | 0 (0) |
| Ktedonobacteria | 0 (0) | 2 (0.002) | 0 (0) | 0 (0) | |
| Thermomicrobia | 9 (0.010) | 0 (0) | 1 (0.001) | 3 (0.003) | |
| Deinococcus-Thermus | Deinococci | 16 (0.018) | 61 (0.066) | 27 (0.024) | 38 (0.039) |
| Firmicutes | Bacilli | 62,254 (68.52) | 80,193 (86.91) | 67,760 (61.19) | 90,628 (92.83) |
| Clostridia | 23,473 (25.84) | 6131 (6.64) | 29,626 (26.75) | 871 (0.892) | |
| Erysipelotrichia | 511 (0.562) | 87 (0.094) | 171 (0.154) | 15 (0.015) | |
| Negativicutes | 13 (0.014) | 40 (0.043) | 15 (0.014) | 66 (0.068) | |
| Tissierellia | 5 (0.006) | 3 (0.003) | 69 (0.062) | 48 (0.049) | |
| Fusobacteria | Fusobacteriia | 0 (0) | 6 (0.007) | 43 (0.039) | 11 (0.011) |
| Gemmatimonadetes | Gemmatimonadetes | 0 (0) | 0 (0) | 40 (0.036) | 0 (0) |
| Planctomycetes | Planctomycetia | 3 (0.003) | 0 (0) | 15 (0.016) | 0 (0) |
| Proteobacteria | Alphaproteobacteria | 1503 (1.65) | 1677 (1.82) | 1576 (1.42) | 1986 (2.03) |
| Betaproteobacteria | 799 (0.879) | 818 (0.887) | 1576 (1.42) | 746 (0.764) | |
| Deltaproteobacteria | 32 (0.053) | 76 (0.082) | 43 (0.039) | 66 (0.068) | |
| Epsilonproteobacteria | 0 (0) | 1 (0.001) | 6 (0.005) | 0 (0) | |
| Gammaproteobacteria | 1551 (1.71) | 1970 (2.14) | 8237 (7.44) | 550 (0.563) | |
| Spirochaetes | Spirochaetia | 0 (0) | 0 (0) | 3 (0.003) | 0 (0) |
| Tenericutes | Mollicutes | 0 (0) | 0 (0) | 21 (0.019) | 0 (0) |
| Verrucomicrobia | Opitutae | 0 (0) | 0 (0) | 2 (0.002) | 0 (0) |
| Verrucomicrobiae | 10 (0.011) | 15 (0.016) | 0 (0) | 0 (0) | |
| Unclassified | Unclassified | 33 (0.036) | 34 (0.037) | 14 (0.013) | 47 (0.048) |
| Total | 90,853 | 92,267 | 11,0737 | 97,631 | |