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Table 2 Distribution of bacterial isolates [number (%)] from 285 milk samples collected from dairy cows in herds with either adequate or suboptimal housing

From: Prevalence of pathogens causing subclinical mastitis in 15 dairy herds in the Republic of Ireland

Farm No. of samples No. of Growth Staph. aureus Strep. uberis Strep. agalactiae Strep dysgalactiae. Mixed Coagulase-negative Staph. Coliforms Minor pathogens
Adequate housing          
B 12 0 6 (50) 0 0 0 4 (33) 1 (13) 1 (13) 0
E 33 5 (15) 10 (30) 6 (18) 0 0 2 (6) 6 (18) 0 4 (12)
F 20 3 (15) 11 (55) 2 (10) 0 0 0 3 (15) 0 1 (5)
K 24 6 (25) 7 (29) 0 0 0 0 8 (33) 0 3 (13)
L 16 3 (19) 6 (38) 3 (19) 0 1 (6) 1 (6) 0 0 2 (13)
M 11 0 0 0 7 (64) 0 2 (18) 0 0 2 (18)
O 19 7 (37) 0 0 0 0 3 (16) 1 (5) 4 (21) 4 (21)
Total 135 24(17) 40 (30) 11 (8) 7 (11) 1 (1) 12 (9) 19 (14) 5 (4) 16 (12)
Suboptimal housing          
A 36 14 (39) 1 (3) 13 (36) 0 1 (3) 0 1 (3) 0 6 (18)
C 13 3 (23) 0 9 (69) 0 0 0 0 1 (8) 0
D 10 2 (20) 2 (20) 4 (40) 0 0 1 (10) 0 0 1 (10)
G 6 3 (50) 1 (16) 1 (16) 0 0 1 (16) 0 0 0
H 6 1 (16) 3 (50) 0 0 0 1 (16) 1 (16) 0 0
I 31 13 (42) 5 (16) 8 (26) 0 0 0 0 2 (6) 3 (10)
J 37 14 (38) 7 (19) 7 (19) 0 2 (5) 2 (5) 1 (3) 2 (5) 2 (5)
N 11 3 (27) 2 (18) 0 0 2 (18) 1 (9) 1 (9) 0 2 (18)
Total 150 53 (35) 21 (14) 42 (28) 0 5 (3) 6 (4) 4 (3) 5 (3) 14 (9)
Total 285 77 (28) 61 (21) 53 (19) 7 (2) 6 (2) 16 (6) 26 (9) 9 (3) 26 (9)