Table 8.
Abundance of bacterial 16S rDNA sequences (n = 307,792) isolated from the jejunum microbiota of Omani chicken.
| Phylum | Class | Abundance of Sequence (No. of Sequence [%]) at Day: | |||
|---|---|---|---|---|---|
| Day 5 | Day 15 | Day 25 | Day 35 | ||
| Acidobacteria | Acidobacteriia | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Blastocatellia | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
| Actinobacteria | Acidimicrobiia | 1 (0.001) | 0 (0) | 0 (0) | 0 (0) |
| Actinobacteria | 3971 (5.25) | 412 (0.612) | 750 (0.890) | 4369 (5.42) | |
| Coriobacteriia | 14 (0.019) | 5 (0.007) | 21 (0.025) | 13 (0.016) | |
| Rubrobacteria | 12 (0.016) | 9 (0.013) | 7 (0.008) | 18 (0.022) | |
| Thermoleophilia | 3 (0.004) | 10 (0.015) | 3 (0.004) | 8 (0.01) | |
| Armatimonadetes | Fimbriimonadia | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Bacteroidetes | Bacteroidia | 5 (0.007) | 212 (0.315) | 128 (0.152) | 77 (0.096) |
| Chitinophagia | 1 (0.001) | 1 (0.001) | 0 (0) | 0 (0) | |
| Cytophagia | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
| Flavobacteriia | 2 (0.003) | 1 (0.001) | 0 (0) | 1 (0.001) | |
| Sphingobacteriia | 3 (0.004) | 0 (0) | 0 (0) | 0 (0) | |
| Chlamydiae | Chlamydiia | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Chloroflexi | Anaerolineae | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Ktedonobacteria | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
| Thermomicrobia | 22 (0.029) | 3 (0.004) | 1 (0.001) | 2 (0.002) | |
| Deinococcus-Thermus | Deinococci | 4 (0.005) | 0 (0) | 2 (0.002) | 14 (0.017) |
| Firmicutes | Bacilli | 67,339 (89.06) | 60,051 (89.16) | 80,018 (94.92) | 69,329 (86.09) |
| Clostridia | 3393 (4.49) | 5796 (8.61) | 3081 (3.65) | 6210 (7.71) | |
| Erysipelotrichia | 81 (0.107) | 98 (0.146) | 33 (0.039) | 50 (0.062) | |
| Negativicutes | 5 (0.006) | 4 (0.006) | 9 (0.011) | 83 (0.103) | |
| Tissierellia | 8 (0.010) | 3 (0.004) | 0 (0) | 1 (0.001) | |
| Fusobacteria | Fusobacteriia | 0 (0) | 3 (0.004) | 0 (0) | 0 (0) |
| Gemmatimonadetes | Gemmatimonadetes | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Planctomycetes | Planctomycetia | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Proteobacteria | Alphaproteobacteria | 300 (0.397) | 247 (0.368) | 112 (0.133) | 91 (0.113) |
| Betaproteobacteria | 48 (0.064) | 83 (0.123) | 29 (0.034) | 65 (0.081) | |
| Deltaproteobacteria | 0 (0) | 12 (0.018) | 3 (0.004) | 4 (0.005) | |
| Epsilonproteobacteria | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
| Gammaproteobacteria | 399 (0.528) | 398 (0.591) | 98 (0.116) | 123 (0.153) | |
| Spirochaetes | Spirochaetia | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Tenericutes | Mollicutes | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Verrucomicrobia | Opitutae | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Verrucomicrobiae | 0 (0) | 0 (0) | 1 (0.001) | 74 (0.092) | |
| Unclassified | Unclassified | 2 (0.003) | 1 (0.001) | 1 (0.001) | 1 (0.001) |
| Total | 75,613 | 67,349 | 84,297 | 80,533 | |