Reference | Andersen_2015_VeteJour (10242) (Excluded)

The study compared the occurrence of ESC-Ec in herds having high numbers of cephalosporins-III/IV prescriptions (exposed) with herds where cephalosporins-III/ IV had not been prescribed (non-exposed) within a specified period.The number of sampled herds was set at 20 in each group. Data regarding prescribed antimicrobials in pig herds were obtained from VetStat,1in which data-input are obtained from veterinary prescriptions. In order to comparethe selection pressure from antimicrobials between different herds, the biomass of animals in the herds was taken into account (treatment incidence). Herds included in the study were then con-venience sampled depending on the owner’s willingness to participate, resulting in19 exposed herds and 20 non-exposed herds

Faecal material was collected from the floors of pens with (1) farrowing sows,(2) weaners and (3) finishers. Fifteen samples were collected randomly from eachage of pig; these were then combined into three pooled samples (each containingmaterial from five samples)

AST Method: None

Reference explicitly reports AST breakpoints: True

Reference reports using a MIC table: False