TABLE 4.
S. aureus isolates from herd II and their PFGE types grouped according to sample origin
| Origin of samples | No. of samples with S. aureus/total no. of samples (%) | No. (%) of PFGE-typed isolates | PFGE type(s) (no. of isolates) |
|---|---|---|---|
| Milk | 21a (NDb) | 21 (100) | D (17), F (2), A2 (1), E2 (1) |
| Teat wall | 131/204 (64) | 43 (34) | D (38), E1 (2), A2 (1), B (1), F (1) |
| Teat orifice | 130/192 (68) | 37 (28) | D (33), F (2), A2 (1), B (1) |
| Teat canal | 35/191 (18) | 20 (57) | D (16), B (2), A2 (1), F (1) |
| Skin lesion | 26/33 (79) | 26 (100) | D (24), E1 (1), F (1) |
| Liner before milking | 0/32 (0) | 0 | |
| Liner after milking | 48/186 (26) | 40 (83) | D (38), B (1), E1 (1) |
| Milkers' hands | 0/2 (0) | 0 | |
| Milkers' nostrils | 3/4 (75) | 3 | D (2), G (1) |
| Total | 390a(ND) | 192 (49) | D (168), F (7), B (5), A2 (4), E1 (4), E2 (1), G (1) |
a
Number of samples with S. aureus; includes follow-up samples taken after treatments.
b
ND, not determined.