Table 3

Bacterial species isolated from milk samples from heifers and multiparous cows having clinical mastitis at parturition


Heifers
Cows

Pathogens
%
n
%
n


E.coli*
22.1
15
6.6
20
Str. uberis*
19.1
13
9.9
30
CNS
8.8
6
7.3
22
Lactococcus lactis
4.4
3
5.0
15
Klebisella spp.
4.4
3
2.3
7
Str. spp
2.9
2
3
9
Enterococcus spp
2.9
2
2.3
7
Pseudomonas spp
2.9
2
0.7
2
S.aureus*
1.5
1
11.2
34
Arcanobacterium spp
1.5
1
2.6
8
Str.dysgalactiae
1.5
1
3.6
11
Corynebacterium spp
0
0
2.0
6
Str. agalactiae
0
0
3.3
10
Candida spp
0
0
1.3
4
No growth
25
17
29.4
89
Mixed culture
2.9
2
9.6
29
Total
100.0
68
100.0
303

* The difference between heifers and multiparous cows is statistically significant (

Kalmus et al. Acta Veterinaria Scandinavica 2006 48:21   doi:10.1186/1751-0147-48-21