Koen Grijspeerdt

Summary

Affiliation: Scientific Institute of Public Health
Country: Belgium

Publications

  1. ncbi request reprint Detection of residues of the coccidiostat diclazuril in poultry tissues by liquid chromatography-tandem mass spectrometry after withdrawal of medicated feed
    Leen Mortier
    Department of Animal Product Quality and Transformation Technology DVK, Agricultural Research Centre Ghent CLO, Ministry of the Flemish Community, Brusselsesteenweg 370, 9090 Melle, Belgium
    J Agric Food Chem 53:905-11. 2005
  2. ncbi request reprint Inactivation of Salmonella enteritidis during boiling of eggs
    Koen Grijspeerdt
    Center of Agricultural Research, Department of Animal Product Quality, Ministry of Small Enterprises, Traders and Agriculture, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 82:13-24. 2003
  3. ncbi request reprint Practical application of dynamic temperature profiles to estimate the parameters of the square root model
    Koen Grijspeerdt
    Ministry of the Flemish Community, Centre of Agricultural Research, Department of Animal Product Quality, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 101:83-92. 2005
  4. ncbi request reprint Individual-based modelling of growth and migration of Salmonella enteritidis in hens' eggs
    K Grijspeerdt
    Ministry of the Flemish Community, Centre of Agricultural Research Gent, Department of Animal Product Quality, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 100:323-33. 2005
  5. ncbi request reprint Eggshell penetration of various types of hens' eggs by Salmonella enterica serovar Enteritidis
    Winy Messens
    Institute for Agricultural and Fisheries Research ILVO, Technology and Food Unit, Brusselsesteenweg 370, B 9090 Melle, Belgium
    J Food Prot 70:623-8. 2007
  6. ncbi request reprint Influence of eggshell condensation on eggshell penetration and whole egg contamination with Salmonella enterica serovar enteritidis
    Koen De Reu
    Department of Animal Product Quality and Transformation Technology, Ministry of the Flemish Community, Agricultural Research Centre, Brusselsesteenweg 370, 9090 Melle, Belgium
    J Food Prot 69:1539-45. 2006
  7. doi request reprint Toxinogenic and spoilage potential of aerobic spore-formers isolated from raw milk
    Valerie De Jonghe
    Institute for Agricultural and Fisheries Research ILVO, Technology and Food Science Unit, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 136:318-25. 2010
  8. ncbi request reprint Real-time reverse transcription PCR for the quantification of the mntH expression of Salmonella enterica as a function of growth phase and phagosome-like conditions
    Nadine Botteldoorn
    Centre for Agricultural Research Ghent, Department for Animal Product Quality and Transformation Technology, Brusselsesteenweg 370, 9090 Melle, Belgium
    J Microbiol Methods 66:125-35. 2006
  9. ncbi request reprint Eggshell factors influencing eggshell penetration and whole egg contamination by different bacteria, including Salmonella enteritidis
    K De Reu
    Department of Animal Product Quality and Transformation Technology, Agricultural Research Centre Ghent, Ministry of the Flemish Community, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 112:253-60. 2006
  10. doi request reprint Bacteriological contamination, dirt, and cracks of eggshells in furnished cages and noncage systems for laying hens: an international on-farm comparison
    K De Reu
    Institute for Agricultural and Fisheries Research ILVO, Technology and Food Science Unit, Brusselsesteenweg 370, 9090 Melle, Belgium
    Poult Sci 88:2442-8. 2009

Detail Information

Publications21

  1. ncbi request reprint Detection of residues of the coccidiostat diclazuril in poultry tissues by liquid chromatography-tandem mass spectrometry after withdrawal of medicated feed
    Leen Mortier
    Department of Animal Product Quality and Transformation Technology DVK, Agricultural Research Centre Ghent CLO, Ministry of the Flemish Community, Brusselsesteenweg 370, 9090 Melle, Belgium
    J Agric Food Chem 53:905-11. 2005
    ..Average steady-state concentrations of 94, 135, and 722 microg/kg in breast, thigh, and liver were obtained, respectively. Nine days after withdrawal of the medicated feed, diclazuril was still present in the different sample types...
  2. ncbi request reprint Inactivation of Salmonella enteritidis during boiling of eggs
    Koen Grijspeerdt
    Center of Agricultural Research, Department of Animal Product Quality, Ministry of Small Enterprises, Traders and Agriculture, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 82:13-24. 2003
    ..The statistical properties of the calibrated model are satisfactory, and a cross-validation shows that it can be used for egg boiling conditions outside its calibration range...
  3. ncbi request reprint Practical application of dynamic temperature profiles to estimate the parameters of the square root model
    Koen Grijspeerdt
    Ministry of the Flemish Community, Centre of Agricultural Research, Department of Animal Product Quality, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 101:83-92. 2005
    ..cloacae. Therefore, a limited series of static experiments had to be conducted to obtain usable prior model parameters estimates. Only one dynamic experiment was then needed to achieve a good estimation...
  4. ncbi request reprint Individual-based modelling of growth and migration of Salmonella enteritidis in hens' eggs
    K Grijspeerdt
    Ministry of the Flemish Community, Centre of Agricultural Research Gent, Department of Animal Product Quality, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 100:323-33. 2005
    ..The simulation results illustrate the need for more detailed knowledge on the subject of bacterial migration in hens' eggs. Our model can easily incorporate this knowledge when it becomes available...
  5. ncbi request reprint Eggshell penetration of various types of hens' eggs by Salmonella enterica serovar Enteritidis
    Winy Messens
    Institute for Agricultural and Fisheries Research ILVO, Technology and Food Unit, Brusselsesteenweg 370, B 9090 Melle, Belgium
    J Food Prot 70:623-8. 2007
    ..Eggshell penetration was observed more frequently in the absence of cuticle spots and for eggs having lower dynamic stiffness values. Shell contamination at the end of storage was highly correlated with SE penetration...
  6. ncbi request reprint Influence of eggshell condensation on eggshell penetration and whole egg contamination with Salmonella enterica serovar enteritidis
    Koen De Reu
    Department of Animal Product Quality and Transformation Technology, Ministry of the Flemish Community, Agricultural Research Centre, Brusselsesteenweg 370, 9090 Melle, Belgium
    J Food Prot 69:1539-45. 2006
    ..Condensation on the eggshell seemed to encourage bacterial penetration of the eggshell but had a smaller impact on whole egg contamination...
  7. doi request reprint Toxinogenic and spoilage potential of aerobic spore-formers isolated from raw milk
    Valerie De Jonghe
    Institute for Agricultural and Fisheries Research ILVO, Technology and Food Science Unit, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 136:318-25. 2010
    ..Moreover, we demonstrated that some strains are capable of growing at room temperature and staying stable at refrigeration temperatures...
  8. ncbi request reprint Real-time reverse transcription PCR for the quantification of the mntH expression of Salmonella enterica as a function of growth phase and phagosome-like conditions
    Nadine Botteldoorn
    Centre for Agricultural Research Ghent, Department for Animal Product Quality and Transformation Technology, Brusselsesteenweg 370, 9090 Melle, Belgium
    J Microbiol Methods 66:125-35. 2006
    ..A similar induction was obtained for Salmonella in porcine peripheral blood monocytes (PBM)...
  9. ncbi request reprint Eggshell factors influencing eggshell penetration and whole egg contamination by different bacteria, including Salmonella enteritidis
    K De Reu
    Department of Animal Product Quality and Transformation Technology, Agricultural Research Centre Ghent, Ministry of the Flemish Community, Brusselsesteenweg 370, 9090 Melle, Belgium
    Int J Food Microbiol 112:253-60. 2006
    ....
  10. doi request reprint Bacteriological contamination, dirt, and cracks of eggshells in furnished cages and noncage systems for laying hens: an international on-farm comparison
    K De Reu
    Institute for Agricultural and Fisheries Research ILVO, Technology and Food Science Unit, Brusselsesteenweg 370, 9090 Melle, Belgium
    Poult Sci 88:2442-8. 2009
    ..Although statistically significant, the average differences in bacteriological contamination of nest eggs between both housing systems have limited microbiological relevancy...
  11. ncbi request reprint Bacterial shell contamination in the egg collection chains of different housing systems for laying hens
    K De Reu
    Ministry of the Flemish Community, Agricultural Research Centre, Department of Animal Product Quality and Transformation Technology, Melle, Belgium
    Br Poult Sci 47:163-72. 2006
    ..Storing shell eggs, whether temporarily refrigerated or not, for 9 d or more, resulted in a decrease in bacterial eggshell contamination for both bacterial variables...
  12. ncbi request reprint The effect of a commercial UV disinfection system on the bacterial load of shell eggs
    K De Reu
    Department of Animal Product Quality and Transformation Technology, Ministry of the Flemish Community, Agricultural Research Centre, Melle, Belgium
    Lett Appl Microbiol 42:144-8. 2006
    ..To study the effect of UV irradiation on the bacterial load of shell eggs and of a roller conveyor belt...
  13. ncbi request reprint Eggshell characteristics and penetration by Salmonella enterica serovar Enteritidis through the production period of a layer flock
    W Messens
    Department of Animal Product Quality and Transformation Technology, Agricultural Research Centre Ghent Ministry of the Flemish Community, Melle, Belgium
    Br Poult Sci 46:694-700. 2005
    ..The growth of SE on the shell is of major importance because shell contamination at 20 d of storage and SE penetration were highly correlated...
  14. ncbi request reprint Bacterial eggshell contamination in conventional cages, furnished cages and aviary housing systems for laying hens
    K De Reu
    Ministry of the Flemish Community, Agricultural Research Centre, Department of Animal Product Quality and Transformation Technology, Melle, Belgium
    Br Poult Sci 46:149-55. 2005
    ..For the total count of aerobic bacteria a restricted positive correlation (r2 = 0.66) was found between the concentration of total bacteria in the air of the poultry houses and initial shell contamination...
  15. ncbi request reprint Distribution and depletion of flubendazole and its metabolites in edible tissues of guinea fowl
    H De Ruyck
    Department of Animal Product Quality and Transformation Technology DVK, Agricultural Research Centre Ghent CLO, Brusselsesteenweg 370, 9090 Melle, Belgium
    Br Poult Sci 45:540-9. 2004
    ..After this withdrawal period following treatment of the guinea fowl, the residues were approximately constant, very low and far below the established safe MRL level for other bird species...
  16. ncbi request reprint Salmonella on pig carcasses: positive pigs and cross contamination in the slaughterhouse
    N Botteldoorn
    Department for Animal Product Quality and Transformation Technology, Centre for Agricultural Research Ghent, Brusselsesteenweg, Melle, Belgium
    J Appl Microbiol 95:891-903. 2003
    ..The purpose of this study was to investigate the prevalence of Salmonella in pigs at the moment of slaughter and in the slaughterhouse environment...
  17. ncbi request reprint Determination of flubendazole and its metabolites in eggs and poultry muscle with liquid chromatography-tandem mass spectrometry
    H De Ruyck
    Agricultural Research Centre Ghent Ministry of Small Enterprises, Traders and Agriculture, Department of Animal Product Quality and Transformation Technology, Brusselsesteenweg 370, 9090 Melle, Belgium
    J Agric Food Chem 49:610-7. 2001
    ..6 and 54.1 microg kg(-1). The corresponding values with the higher dose of 29.6 mg kg(-1) were, respectively, 101.7 and 119.7 microg kg(-1)...
  18. pmc Routes for Campylobacter contamination of poultry meat: epidemiological study from hatchery to slaughterhouse
    L Herman
    Agricultural Research Centre, Department of Animal Product Quality, Brusselsesteenweg 370, B 9090 Melle, Belgium
    Epidemiol Infect 131:1169-80. 2003
    ..Moreover, six negatively delivered flocks yielded positive carcasses, the result of a supplementary contamination, which occurred during transport and slaughtering...
  19. pmc Differential inlA and inlB expression and interaction with human intestinal and liver cells by Listeria monocytogenes strains of different origins
    Hadewig Werbrouck
    Institute for Agricultural and Fisheries Research, Unit Technology and Food Product Quality and Food Safety, Brusselsesteenweg 370, 9090 Melle, Belgium
    Appl Environ Microbiol 72:3862-71. 2006
    ..monocytogenes strains. The lower capacity of clinical strains to invade HepG2 cells and to induce IL-8 is possibly a mechanism of immune evasion used by specific L. monocytogenes strains...
  20. ncbi request reprint Economics of reducing Campylobacter at different levels within the Belgian poultry meat chain
    Xavier Gellynck
    Department Agricultural Economics Agecon, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
    J Food Prot 71:479-85. 2008
    ..The cost to reach consumers is large, while only a very limited fraction of the consumers is willing to change its behavior. The outcome of this study poses valuable information for future risk-management decisions in Belgium...
  21. doi request reprint Human salmonellosis: estimation of dose-illness from outbreak data
    Kaatje Bollaerts
    Center for Statistics, Hasselt University, Belgium
    Risk Anal 28:427-40. 2008
    ..Furthermore, the analyses suggest that immunity exists in the normal population but not in the susceptible population...