From: Bulk milk ELISA and the diagnosis of parasite infections in dairy herds: a review
Country (region) | Number of herds | Prevalence | Reference |
---|---|---|---|
Thailand (North and Northeast) | 220 | 46% | [72] |
Sweden | 2,978 | 8.3% (95% CI, 7.3–9.3%) | [70] |
Norway | 1,657 | 0.7% (95% CI, 0.3–1.2%) | [81] |
Canada | 235- May 04 | 6.4% | [68] |
189- May 05 | 10.1% | ||
235- June 05 | 10.2% | ||
Australia (South) | 122 | 2.5% (95% CI, 1.4–3.6%) | [71] |
Spain (Galicia) | 276 | 56% | [23] |