Skip to main content

Table 1 Bacteriological results of all samples collected in both the herds of primiparous Mediterranean buffalo during the first 90 days in milk of investigation. Percentages represent the proportion calculate on the total number bacteriological results

From: Efficacy of a polyvalent mastitis vaccine against Staphylococcus aureus on a dairy Mediterranean buffalo farm: results of two clinical field trials

 

Herd A

Herd B

 

VG1

N-VG1

VG2

N-VG2

Pathogens

No.

Percent

No.

Percent

No.

Percent

No.

Percent

Staphylococcus aureus

49

30.2

52

32.5

55

41.9

61

50.4

Coagulase-negative staphylococci

32

19.9

32

19.3

41

31.3

16

13.1

Enterococcus faecalis

2

1.2

2

1.3

1

0.8

1

0.8

Aerococcus viridans

4

2.5

4

2.5

2

1.5

4

3.3

Streptococcus dysgalactiae

2

1.2

1

0.6

0

0

2

1.7

Streptococcus thoraltensis

2

1.2

2

1.3

0

0

1

0.8

Other gram-positive pathogens (not S. aureus)

2

1.2

5

3.1

3

2.3

2

1.7

Escherichia coli

0

0

0

0

1

0.8

2

1.7

Acinetobacter lwoffii

4

2.5

3

1.9

0

0

2

1.7

Bacillus spp.

0

0

0

0

0

0

1

0.8

Culture negative

65

40.1

59

36.9

28

21.4

29

24.0

Total

162

100

160

100

131

100

121

100

  1. No = number; VG1 and N-VG1 = Vaccinate Group1 and Not-Vaccinated Group1, respectively; VG2 and N-VG2 = Vaccinate Group1 and Not-Vaccinated Group2, respectively. Herd A: received two doses of vaccine pre-calving; Herd B: received two doses of vaccine pre-calving and one post-calving