Table 5. Distribution and prevalence of Infrequent S. aureus clonal complexes Isolated from 2008, and 2013–2015 from dairy herds in Pennsylvania.
| Clonal Complex (Sequence Type) | Year | No. of herds | Samplea | Anti-microbial resistanceb | Toxin gene profile | Leucocidin profile |
|---|---|---|---|---|---|---|
| CC1 (ST1) | 2015 | 1 | BTM | - | seh | lukAB-lukED |
| CC15 (ST15) | 2013 | 1 | MM (2) | PEN | - | lukAB-lukED |
| CC45 (ST45) | 2008 | 1 | MM (1) | PEN | seg, sei, sem, seo, sen, | lukAB |
| CC72 (ST72) | 2015 | 1 | MM (1) | PEN | seg, sei, sem, seo, sen, seq | lukAB-lukED |
| CC350 (ST350) | 2008 | 1 | MM (1) | - | sei, sem | lukAB |
| 2014 | 1 | MM (1) | - | sei, sem | lukAB | |
| 2015 | 1 | MM (1) | - | seg, sei, sem | lukMF’-lukAB-lukED | |
| CC398 (ST398) | 2014 | 1 | MM (1) | DA, ERY, TET, PEN | - | - |
| 2015 | 1 | BTM | DA, ERY, TET, PEN | - | lukAB |
a Sample: BTM, bulk tank milk; MM, Mastitic milk.
b Antimicrobial: DA Clindamycin; ERY, Erythromycin; PEN, Penicillin; TET, Tetracycline.