As Denmark has nationally banned the use of cephalosporins in poultry production, the presence of ESBL bacteria in poultry is assumed to originate from the import of grandparent stock from other countries.
Taani on siseriiklikult keelanud tsefalosporiinide kasutamise linnuliha tootmisel, eeldatavalt pärinevad ESBL-bakterid linnulihas teistest riikidest imporditud aretuskarjast.