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World dairy expo 2014 results11/19/2023 In contrast, the clusters with a low risk of observing test-positive herds persisted in the same area throughout the study period. bovis did not tend to persist upon emergence in dairy herds. The clusters with a high risk of observing test-positive herds did not remain between sampling rounds, indicating that M. These findings were supported to some extent by the local clustering analysis, which found significant high- and low-risk spatial clusters in rounds one and three in the north and south of the mainland. bovis test-positive herds were spatially correlated in rounds one, three and four. The global clustering analysis showed that M. bovis test-positive herds had a dynamic pattern in space. The spatial global clustering was evaluated through a modified K-function method, and local clusters were identified by scan statistics. bovis status for each herd was determined as test-positive or test-negative using a cut-off of 50 optical density coefficient %. Based on a previous diagnostic test evaluation study, the M. Descriptive and spatial analyses were performed for the four screening rounds. Repeated bulk tank milk samples were used as a proxy for the herd-level diagnosis. bovis in the Danish dairy herd population throughout the study period. The objective of this study was to investigate the evolution of the spatial distribution of M. bovis enzyme-linked immunosorbent assay (ELISA) (Bio-X, Belgium) in bulk tank milk from all dairy herds between June 2013 and July 2014. bovis on four occasions, using the indirect BIO K 302 M. The dairy cattle industry performed cross-sectional antibody screening for M. bovis outbreaks among Danish dairy cattle herds. Since 2011, there has been an apparent increase in M. Mycoplasma bovis is an important pathogen causing severe disease outbreaks in cattle farms.
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