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Table 1 Bacterial findings during the survey.

From: A study of bovine mastitis, milking procedures and management practices on 25 Estonian dairy herds

Bacterial isolate

No of samples N = 11,640

% of all samples

% of isolates N = 3,581

SCC *103/ml (SD)

Streptococcus agalactiae

110

0.9

3.1

3,263 (5,596)

Streptococcus dysgalactiae

68

0.6

1.9

2,576 (4,041)

Streptococcus uberis

86

0.7

2.4

2,431 (4,452)

Other streptococci, Enterococci

208

1.8

5.8

1,706 (3,100)

Staphylococcus aureus

752

6.5

21.0

1,026 (2,070)

Coagulase-negative staphylococci

568

4.9

15.8

508 (1,765)

Corynebacterium bovis

1,694

14.5

47.3

303 (956)

Coliforms

20

0.2

0.6

5,401 (5,423)

Actinomyces spp.

7

0.1

0.2

12,579 (9,262)

Other bacteria

68

0.6

1.9

565 (2,165)

No growth

8,059

69.2

 

221 (961)

  1. The figures in the first two columns are the numbers and percentages of all quarter milk samples. The third column represents percentages of bacterial isolates. Mean SCC (SD) for each group are also presented.