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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
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) |