Hubert Deluyker

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The objective of this study was to investigate sero-epidemiological aspects of Mycoplasma hyopneumoniae (Mh), influenza H1N1 and H3N2 viruses and Aujeszky disease virus (ADV) in fattening pigs from 150 randomly selected farrow-to-finish pig herds. Different herd factors were examined as potential risk indicators for the percentage of pigs with antibodies(More)
BACKGROUND Safety assessment for repeated dose toxicity is one of the largest challenges in the process to replace animal testing. This is also one of the proof of concept ambitions of SEURAT-1, the largest ever European Union research initiative on alternative testing, co-funded by the European Commission and Cosmetics Europe. This review is based on the(More)
Missing values are often a problem in data analysis. Simple elimination of observations with missing values from the study may lead to unacceptable loss of information. Instead, missing values may be estimated. Procedures for estimation of the parameters in linear models allow for missing observations in the dependent and independent variables. In serially(More)
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