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[Page generation failure. The bibliography processor requires a browser with Javascript enabled.] Cattle herds (N=26,639) were classified as having persistently infected (PI) animals (PI-herds) or not (non-PI-herds) with 4,519 PI-herds (17.0%). Regional differences in occurrence of BVDV infections were identified. The K-function indicated clustering at 250 m and 1 km. The semivariogram indicated... |
