TABLE 8.
Relative amounts (% of total) that bacterial communities found in infant oral, maternal feces, and maternal oral may contribute to the bacterial composition of milk from day 2 to 6 mo of life1
| d 2 | d 5 | d 10 | mo 1 | mo 2 | mo 3 | mo 4 | mo 5 | mo 6 | |
|---|---|---|---|---|---|---|---|---|---|
| Infant oral | 21.1 ± 9.2 | 42.6 ± 7.8 | 39.8 ± 8.5 | 56.7 ± 8.5 | 65.3 ± 7.0 | 65.2 ± 7.9 | 55.8 ± 8.8 | 66.3 ± 7.2 | 50.0 ± 8.3 |
| Maternal feces | 0.3 ± 0.1 | 0.6 ± 0.3 | 0.6 ± 0.2 | 0.6 ± 0.1 | 0.7 ± 0.2 | 0.9 ± 0.4 | 1.2 ± 0.5 | 1.8 ± 0.7 | 1.0 ± 0.4 |
| Maternal oral | 26.0 ± 7.7 | 10.8 ± 3.3 | 15.9 ± 4.8 | 2.1 ± 0.3 | 2.8 ± 0.4 | 2.6 ± 0.3 | 2.8 ± 0.4 | 3.8 ± 0.6 | 6.7 ± 2.4 |
| Unknown | 52.6 ± 9.2 | 46.1 ± 8.8 | 43.6 ± 9.4 | 40.7 ± 8.6 | 31.2 ± 7.1 | 31.3 ± 8.0 | 40.2 ± 9.1 | 28.0 ± 7.2 | 42.3 ± 8.3 |
1
Values are means ± SEM; infant feces, n = 149; infant oral, n = 151; maternal feces, n = 162; maternal oral, n = 182; milk, n = 147. d, day; mo, month.