Table 3 Number and frequency of Enterococcus spp. isolated from bulk tank samples and clinical mastitis cases obtained from ten Brazilian dairy herds from September 2017 to September 2019

A

19 (45.2%)

23 (54.8%)

42 (100%)

0.3810

B

14 (63.6%)

8 (36.4%)

22 (100%)

0.3612

C

54 (81.8%)

12 (18.2%)

66 (100%)

0.0001

D

54 (96.4%)

2 (3.6%)

56 (100%)

< 0.0001

E

14 (42.4%)

19 (57.6%)

33 (100%)

0.5402

F

22 (71%)

9 (29%)

31 (100%)

0.0890

G

27 (87.1%)

4 (12.9%)

31 (100%)

0.0016

H

13 (86.7%)

2 (13.3%)

15 (100%)

0.0291

I

31 (75.6%)

10 (24.4%)

41 (100%)

0.0170

J

10 (71.4%)

4 (28.6%)

14 (100%)

0.2457

Total

258 (73.5%)

93 (26.5%)

351 (100%)

< 0.0001