Table 2 Neomycin resistance
Resistant isolates | Susceptible isolates | One-factorial log. Reg. | Multi-factorial log. Reg. | ||||||
|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | OR | p | OR | p | ||
Time period | 2006–2011 (Ref.) | 280 | 15.77 | 1496 | 84.23 | 1 | – | 1 | – |
2012–2017 | 148 | 12.85 | 1004 | 87.15 | 0.79 | 0.029 | 0.60 | 0.011 | |
Age-group | Sow (Ref.) | 0 | 0 | 35 | 100 | 1 | – | 1 | – |
Piglet | 17 | 12.98 | 114 | 87.02 | – | 0.949 | – | 0.951 | |
Nursery | 100 | 14.66 | 582 | 85.34 | – | 0.949 | – | 0.950 | |
Fattening | 4 | 9.09 | 40 | 90.91 | – | 0.949 | – | 0.953 | |
Sampling site | GIT (Ref.) | 363 | 15.35 | 2002 | 84.65 | 1 | – | 1 | – |
GUT | 25 | 7.69 | 300 | 92.31 | 0.46 | 0.0003 | – | 0.958 | |
others | 40 | 16.81 | 198 | 83.19 | 1.11 | 0.554 | – | 0.857 | |