TABLE 1.
Bacteria cultured from TW fluid of foals with pneumonia
| Bacterium | No. (%) with indicated bacteriuma
|
||
|---|---|---|---|
| VP-positive foals (n = 17) | VP-negative foals (n = 36) | All foals (n = 53) | |
| Streptococcus zooepidemicus | 6 (35.3) | 20 (55.6) | 26 (49.1) |
| R. equi | 9 (52.9)* | 1 (2.8)* | 10 (18.9) |
| Other streptococci | 3 (17.6) | 6 (16.7) | 9 (16.7) |
| Enterobacter sp. | 2 (11.8) | 6 (16.7) | 8 (15.1) |
| Pseudomonas sp. | 2 (11.8) | 5 (13.9) | 7 (13.2) |
| Escherichia coli | 3 (17.6) | 2 (5.6) | 5 (9.4) |
| Pasteurella or Actinobacillus sp. | 1 (5.9) | 4 (11.1) | 5 (9.4) |
| Bordetella bronchiseptica | 1 (5.9) | 3 (8.3) | 4 (7.5) |
| Corynebacterium sp. | 1 (5.9) | 3 (8.3) | 4 (7.5) |
| Klebsiella sp. | 0 (0.0) | 3 (8.3) | 3 (5.7) |
| Enterococcus sp. | 1 (5.9) | 2 (5.6) | 3 (5.7) |
| None isolated | 1 (5.9) | 2 (5.6) | 3 (5.7) |
| Not reported | 0 (0.0) | 2 (5.6) | 2 (3.8) |
a
VP positivity and negativity are defined by PCR results. ∗, difference between results for VP-positive foals and VP-negative foals is statistically significant (P < 0.0001).