Bacterial contamination of hen's table eggs and its influencing by housing systems.

K. De Reu*, W. Messens, K. Grijspeerdt, M. Heyndrickx, B. Rodenburg, M. Uyttendaele, L. Herman Institute for Agricultural and Fisheries Research (ILVO), Technology and Food Science Unit, Brusselsesteenweg 370, 9090 Melle, Belgium Animal Breeding and Genomics Centre, Wageningen University, P.O. Box 338, 6700 AH Wageningen, The Netherlands 3 Department of Food Safety and Food Quality, Laboratory of Food Microbiology and Food Preservation, University of Ghent, Coupure Links 653, 9000 Ghent, Belgium.