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. 2013 Jul 25;66(1):14. doi: 10.1186/2046-0481-66-14

Table 2.

Ostertagia ostertagi prevalence based on bulk milk assay

Country (region) Number of herds Prevalence Reference
Belgium
 Conventional 1,800
 59.1% (95% CI, 56.8-61.4%)
 [39]
Sweden
 Organic 113
 0.82% (95% CI, 0.78-0.86%)
 [36]
  Conventional 113 0.66% (95% CI, 0.61-0.71%)