Table 6.
Microbiological results from routine monitoring of raw drinking milk
| ACC | Coliforms | E. coli | Campylobacter | L. monocytogenes | Listeria species | CPS | Salmonella | E. coli O157 | STEC | |
|---|---|---|---|---|---|---|---|---|---|---|
| Cow's milk samples (2017–19) | ||||||||||
| Total tested | 660 | 654 | 8 | 635 | 642 | 642 | 641 | 622 | 58 | 304 |
| Satisfactory | 548 | 557 | 5 | 617 | 637 | 642 | 551 | 619 | 0 | 301 |
| Borderline | 0 | 0 | 2 | NA | 4 | 0 | 90 | NA | NA | NA |
| Unsatisfactorya | 112 | 97 | 1 | 18 | 1 | 0 | 0 | 3 | 0 | 3b |
| Goat's milk samples (2013–19) | ||||||||||
| Total tested | 516 | 385 | 29 | 459 | 472 | 472 | 515 | 464 | 18 | 18 |
| Satisfactory | 410 | 399 | 27 | 459 | 472 | 471 | 432 | 464 | 18 | 18 |
| Borderline | 1 | 1 | 1 | NA | 0 | 1 | 81 | NA | NA | NA |
| Unsatisfactorya | 105 | 85 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 |
| Sheep's milk samples (2013–19) | ||||||||||
| Total tested | 15 | 12 | 1 | 12 | 15 | 15 | 15 | 12 | 1 | 1 |
| Satisfactory | 15 | 0 | 1 | 12 | 15 | 15 | 12 | 12 | 1 | 1 |
| Borderline | 0 | 0 | 0 | NA | 0 | 0 | 3 | NA | NA | NA |
| Unsatisfactorya | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Milk from other species (2013–19) | ||||||||||
| Total tested | 35 | 35 | 1 | 32 | 32 | 32 | 33 | 33 | 1 | 0 |
| Satisfactory | 31 | 29 | 1 | 0 | 0 | 0 | 31 | 33 | 1 | – |
| Borderline | 0 | 0 | 0 | NA | 0 | 0 | 2 | NA | NA | – |
| Unsatisfactorya | 4 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | – |
NA, not applicable; STEC, Shiga toxin-producing E. coli; CPS, coagulase positive staphylococci.
a
Includes unsatisfactory: potentially injurious to health.
b
STEC detected but not isolated from a further two samples.