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Annual variation in seroprevalence of major pasture-borne parasitoses in BTM samples from German dairy cattle.
| 2017 | 2018 | 2019 | ||||
|---|---|---|---|---|---|---|
| % (Pos./Total) | 95% CI | % (Pos./Total) | 95% CI | % (Pos./Total) | 95% CI | |
| O. ostertagia | 36.5 (73/200) | 29.9–43.6% | 41.7 (98/235) | 35.4–48.3% | 45.0 (95/211) | 38.2–52.0% |
| F. hepatica | 15.0 (30/200) | 10.5–20.9% | 11.5 (27/235) | 7.8–16.4% | 18.5 (39/211) | 13.6–24.5% |
| D. viviparus | 2.5 (5/200) | 0.9–6.0% | 1.3 (3/235) | 0.3–4.0% | 3.3 (7/211) | 1.5–7.0% |
a O. ostertagi-positive defined as ODR ≥ 0.5.
