Table 3 Sampling sites and isolation rates and MDR rates
Sampling Sites | Sampling Time | Sample Amount | Positive samples | Total | MDR rate |
|---|---|---|---|---|---|
Tai’an Farm 1 | 2016 | 72 | Embryos (11/72) | 15.3% (11/72) | 36.3% (4/11) |
Tai’an Farm 2 | 2017 | 541 | Feces(9/466), Feed(1/41), Drinking water(0/34) | 1.9% (10/541) | 100% (10/10) |
Tai’an Farm 3 | 2017 | 562 | Feces(4/459), Feed(0/66), Livers(4/37) | 1.4% (8/562) | 75% (6/8) |
Jinan Farm 4 | 2016 | 450 | Feces(12/406), Livers(6/44) | 4.0% (18/450) | 83.3% (15/18) |
Tai’an Slaughterhouse | 2017 | 717 | Leg meat(0/74), Livers(1/83), Water samples from Duck-washing pool(1/29), Cotton swabs from table surface(0/13), Intestine (0/518) | 0.3% (2/717) | 0% (0/2) |