TABLE 3.
Classification of E. coli isolates by source based on MAR profiles and DA analysis
| Source | % of isolates classified asa:
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Human (n = 96) | Beef (n = 25) | Dairy (n = 32) | Chicken (n = 10) | Pig (n = 19) | Turkey (n = 34) | Deer (n = 81) | Goose (n = 20) | Moose (n = 2) | |
| Human | 48.96 | 5.21 | 1.04 | 2.08 | 9.38 | 3.13 | 2.08 | 1.04 | 27.08 |
| Beef cattle | 0 | 24.00 | 0 | 8.00 | 0 | 4.00 | 0 | 0 | 64.00 |
| Dairy cattle | 3.13 | 6.25 | 0 | 0 | 9.38 | 3.13 | 9.38 | 0 | 68.75 |
| Chicken | 0 | 10.00 | 0 | 80.00 | 10.00 | 0 | 0 | 0 | 0 |
| Pig | 0 | 5.26 | 5.26 | 0 | 63.16 | 26.32 | 0 | 0 | 0 |
| Turkey | 2.94 | 0 | 0 | 5.88 | 14.71 | 61.76 | 2.94 | 0 | 11.76 |
| Deer | 1.23 | 7.41 | 0 | 1.23 | 1.23 | 1.23 | 14.81 | 2.47 | 70.37 |
| Goose | 5.00 | 10.00 | 0 | 0 | 0 | 0 | 15.00 | 0 | 70.00 |
| Moose | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100.00 |
When human, livestock, and wildlife species groups were distinguished, 55.21% of the isolates in the human species group (n = 96) were classified as human isolates, 10.42% of the isolates were classified as livestock isolates, and 34.38% of the isolates were classified as wildlife isolates; in the livestock species group (n = 120), 6.67% of the isolates were classified as human isolates, 45.83% of the isolates were classified as livestock isolates, and 47.50% of the isolates were classified as wildlife isolates; and in the wildlife species group (n = 103), 1.94% of the isolates were classified as human isolates, 2.91% of the isolates were classified as livestock isolates, and 95.15% of the isolates were classified as wildlife isolates. When human and nonhuman species groups were distinguished, 56.25% of the isolates in the human species group (n = 96) were classified as human isolates and 43.75% of the isolates were classified as nonhuman isolates; in the nonhuman species group (n = 223), 7.62% of the isolates were classified as human isolates and 92.38% of the isolates were classified as nonhuman isolates.