Table 1 Distribution of methicillin-resistant Staphylococcus aureus genotypes in slaughterhouses and pig farms in Switzerland.
2009 | 2010 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Abattoir | Total no. of samples | No. of MRSA positive samples | Percentage of MRSA positive samples | Origina | Genotype (n) | Total no. of samples | No. of MRSA positive samples | Percentage of MRSA positive samples | Origina | Genotype (n) |
A | 84 | 2 | 2.4 | TG1, LU2 | ST398-t011-V (2) | 68 | 11 | 16.2 | LU4, LU5, SG3, SG5, TG5, TG8, TG9, BE3, BE4 ZH1, JU1 | ST398-t034-V (11) |
B | 90 | 1 | 1.1 | SG1 | ST398-t011-V | 101 | 2 | 2.0 | AG2, SG6 | ST49-t208-V (2) |
C | 63 | 1 | 1.6 | BE1 | ST398-t034-V | 65 | 4 | 6.2 | TG6 BE2, TG7, LU6 | ST49-t208-V ST398-t034-V (3) |
D | 62 | 0 | 0 | - | - | 58 | 2 | 3.4 | AG1, TG10 | ST398-t034-V (2) |
E | 39 | 1 | 2.6 | LU1 | ST398-t1451-V | 37 | 0 | 0 | - | - |
F | 28 | 0 | 0 | - | - | 22 | 0 | 0 | - | - |
G | 19 | 3 | 15.8 | TG3, TG2, SG2 | ST1-t2279-IVc ST49-t208-V (2) | 15 | 2 | 13.3 | TG4, SG4 | ST49-t208-V (2) |
H | 10 | 0 | 0 | - | - | 14 | 1 | 7.1 | LU3 | ST398-t034-V |
I | 10 | 0 | 0 | - | - | 12 | 1 | 8.3 | AI1 | ST398-t011-V |
A-I (all) | 405 | 8 | 2.0 | 392 | 23 | 5.9 | ||||