Table 1 Results of longitudinal MRSA-sampling of pigs in a Norwegian pig herd (case farm A) sampled with an interval of 25 days
Number of samples from pigs | Number of samples from the environment | Number (percent) of MRSA positive samples from pigs | Number (percent) MRSA positive samples from the environment | Number (percent) MRSA positive samples in total | |
|---|---|---|---|---|---|
First sampling | 61 | 7 | 23 (38%) | 2 (29%) | 25 (37%) |
Second sampling original sample size | 61 | 7 | 29 (48%) | 3 (43%) | 32 (47%) |
Second sampling original sample size plus four new samples | 64 | 8 | 32 (50%) | 3 (38%) | 35 (49%) |