Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 414459
Title Estimating the proportion of clinical mastitis attributable to subclinical mastitis in dairy cattle using two multivariable statistical approaches
Author(s) Borne, B.H.P. van den; Vernooij, J.C.M.; Lupindu, A.M.; Schaik, G. van; Frankena, K.; Lam, T.J.G.M.; Nielen, M.
Source In: Proceedings of the Society for Veterinary Epidemiology and Preventive Medicine Annual Meeting, Leipzig, Germany, 23 - 25 March, 2011. - - p. 51 - 59.
Event Proceedings of the Society for Veterinary Epidemiology and Preventive Medicine Annual Meeting, Leipzig, Germany, 2011-03-23/2011-03-25
Department(s) Quantitative Veterinary Epidemiology
Publication type Contribution in proceedings
Publication year 2011
Abstract The aim of this study was to quantify the proportion of first bovine CM cases attributable to high composite somatic cell counts (CSCC). Cows were followed from the first CSCC measurement postpartum until CM or censoring, using survival analysis. A conditional logistic regression model was also fitted to the data with CM cows being matched to cows without CM. Both models identified high CSCC cows to have a higher risk for subsequent CM cases than low CSCC cows. The population attributable fraction was 0.22 for primiparae and 0.17 for multiparae according to the logistic regression model, while it was 0.25 in the survival analysis. The latter approach also identified that the proportion of cows without CM would increase from 89% to 93%. Both multivariable statistical approaches showed that a substantial reduction in CM can be achieved by decreasing the prevalence of high CSCC in the dairy population.
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