H S Hurd

Summary

Affiliation: Iowa State University
Country: USA

Publications

  1. pmc An outcomes model to evaluate risks and benefits of Escherichia coli vaccination in beef cattle
    H Scott Hurd
    Department of Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa 50011, USA
    Foodborne Pathog Dis 9:952-61. 2012
  2. doi request reprint Lesion severity at processing as a predictor of Salmonella contamination of swine carcasses
    H Scott Hurd
    Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA
    Am J Vet Res 73:91-7. 2012
  3. doi request reprint Risk-based analysis of the Danish pork Salmonella program: past and future
    H Scott Hurd
    College of Veterinary Medicine, Iowa State University, USA
    Risk Anal 28:341-51. 2008
  4. pmc Swine health impact on carcass contamination and human foodborne risk
    H Scott Hurd
    Iowa State University, College of Veterinary Medicine, Ames, IA 50011, USA
    Public Health Rep 123:343-51. 2008
  5. ncbi request reprint Variable abattoir conditions affect Salmonella enterica prevalence and meat quality in swine and pork
    H S Hurd
    Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, Iowa 50011, USA
    Foodborne Pathog Dis 2:77-81. 2005
  6. doi request reprint Quantitative risk from fluoroquinolone-resistant Salmonella and Campylobacter due to treatment of dairy heifers with enrofloxacin for bovine respiratory disease
    H Scott Hurd
    Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa 50011, USA
    Foodborne Pathog Dis 7:1305-22. 2010
  7. doi request reprint A stochastic assessment of the public health risks of the use of macrolide antibiotics in food animals
    H Scott Hurd
    College of Veterinary Medicine, Iowa State University, Iowa, USA
    Risk Anal 28:695-710. 2008
  8. doi request reprint Food systems veterinary medicine
    H Scott Hurd
    Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, USA
    Anim Health Res Rev 12:187-95. 2011
  9. ncbi request reprint Effect of short-term lairage on the prevalence of Salmonella enterica in cull sows
    S T Larsen
    Iowa State University, College of Veterinary Medicine, Ames, Iowa 50011, USA
    J Food Prot 67:1489-93. 2004
  10. ncbi request reprint Impact of commercial preharvest transportation and holding on the prevalence of Salmonella enterica in cull sows
    S T Larsen
    Iowa State University, College of Veterinary Medicine, Ames, Iowa 50011, USA
    J Food Prot 66:1134-8. 2003

Detail Information

Publications30

  1. pmc An outcomes model to evaluate risks and benefits of Escherichia coli vaccination in beef cattle
    H Scott Hurd
    Department of Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa 50011, USA
    Foodborne Pathog Dis 9:952-61. 2012
    ..The analysis shows that resulting reduction in the number of shedding animals and the reduced concentration of E. coli on carcasses can combine to reduce human illnesses and cost to beef packers...
  2. doi request reprint Lesion severity at processing as a predictor of Salmonella contamination of swine carcasses
    H Scott Hurd
    Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA
    Am J Vet Res 73:91-7. 2012
    ....
  3. doi request reprint Risk-based analysis of the Danish pork Salmonella program: past and future
    H Scott Hurd
    College of Veterinary Medicine, Iowa State University, USA
    Risk Anal 28:341-51. 2008
    ..Carcass decontamination was shown as the most effective means of reducing human risk, reducing PAHC to about 10% of the simulated 2004 level...
  4. pmc Swine health impact on carcass contamination and human foodborne risk
    H Scott Hurd
    Iowa State University, College of Veterinary Medicine, Ames, IA 50011, USA
    Public Health Rep 123:343-51. 2008
    ..This study measured the relationship between lesions suggestive of subclinical pig illness at harvest to carcass contamination and human foodborne risk...
  5. ncbi request reprint Variable abattoir conditions affect Salmonella enterica prevalence and meat quality in swine and pork
    H S Hurd
    Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, Iowa 50011, USA
    Foodborne Pathog Dis 2:77-81. 2005
    ..From this and other studies, it appears that elimination of the holding process is not feasible S. enterica control option, given current U.S. harvesting systems...
  6. doi request reprint Quantitative risk from fluoroquinolone-resistant Salmonella and Campylobacter due to treatment of dairy heifers with enrofloxacin for bovine respiratory disease
    H Scott Hurd
    Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa 50011, USA
    Foodborne Pathog Dis 7:1305-22. 2010
    ..8 billion (one case every 13 years) for Campylobacter...
  7. doi request reprint A stochastic assessment of the public health risks of the use of macrolide antibiotics in food animals
    H Scott Hurd
    College of Veterinary Medicine, Iowa State University, Iowa, USA
    Risk Anal 28:695-710. 2008
    ..Risks from C. jejuni in poultry or beef are even less. Reduced antibiotic use can adversely impact animal health. These low human risks should be weighed against the alternative risks...
  8. doi request reprint Food systems veterinary medicine
    H Scott Hurd
    Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, USA
    Anim Health Res Rev 12:187-95. 2011
    ..The challenge is to adopt and apply this systems framework to veterinary medicine and food production. The result will be a rigorous new approach to solving the complex food and health problems of the 21st century...
  9. ncbi request reprint Effect of short-term lairage on the prevalence of Salmonella enterica in cull sows
    S T Larsen
    Iowa State University, College of Veterinary Medicine, Ames, Iowa 50011, USA
    J Food Prot 67:1489-93. 2004
    ..Results of this study suggest that holding pens contribute to increased S. enterica carriage in cull sows. Abattoir holding pens might be an important control point for S. enterica in the ground pork production chain...
  10. ncbi request reprint Impact of commercial preharvest transportation and holding on the prevalence of Salmonella enterica in cull sows
    S T Larsen
    Iowa State University, College of Veterinary Medicine, Ames, Iowa 50011, USA
    J Food Prot 66:1134-8. 2003
    ..The results of this study demonstrate that transport and holding practices may contribute to an increase in S. enterica infection prior to slaughter to levels much higher than those found on the farm...
  11. ncbi request reprint The effect of lairage on Salmonella isolation from market swine
    H S Hurd
    Pre Harvest Food Safety and Enteric Diseases, National Animal Disease Center, USDA, Agricultural Research Service, Ames, Iowa 50010, USA
    J Food Prot 64:939-44. 2001
    ..This study suggests that pigs became internally contaminated with Salmonella after leaving the farm, possibly while in the abattoir holding pens, and that 18 h lairage, in clean facilities, does not increase shedding...
  12. ncbi request reprint Impact of commercial pre-harvest processes on the prevalence of Salmonella enterica in cull sows
    J D McKean
    Iowa State University, College of Veterinary Medicine, Ames, Iowa, USA
    Berl Munch Tierarztl Wochenschr 114:353-5. 2001
    ..Transport and lairage practices may contribute to an increased S. enterica contamination immediately prior to slaughter...
  13. pmc Estimation of the Salmonella enterica prevalence in finishing swine
    H S Hurd
    Pre Harvest Food Safety and Enteric Diseases Research Unit, USDA, Agricultural Research 2 Unit, Ames, IA 50010 0070, USA
    Epidemiol Infect 132:127-35. 2004
    ..enterica prevalence. For most herds, serology overestimated the on-farm culture prevalence...
  14. ncbi request reprint Experimental rapid infection in market swine following exposure to a Salmonella contaminated environment
    H S Hurd
    Pre Harvest Food Safety and Enteric Diseases Research Unit, National Animal Disease Center, USDA, Agricultural Research Service, PO Box 70, Ames, IA 50010, USA
    Berl Munch Tierarztl Wochenschr 114:382-4. 2001
    ..They also demonstrate the high risk of holding pigs longer than six hours. Intervention at this step in the swine production process may have a significant impact on the safety of pork products...
  15. ncbi request reprint Quantity and distribution of Salmonella recovered from three swine lairage pens
    A M O'Connor
    Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, Iowa 50010, USA
    J Food Prot 69:1717-9. 2006
    ..However, this variation suggests that numeroussamples are required to adequately describe the concentration of Salmonella in a lairage pen...
  16. ncbi request reprint Rapid infection in market-weight swine following exposure to a Salmonella typhimurium-contaminated environment
    H S Hurd
    National Animal Disease Center, USDA, Agricultural Research Service, Ames, IA 50010, USA
    Am J Vet Res 62:1194-7. 2001
    ..Intervention at this step of the production process may have a major impact on the safety of pork products...
  17. ncbi request reprint Low prevalence of Listeria monocytogenes in cull sows and pork
    Irene V Wesley
    US Department of Agriculture, Agricultural Research Service, National Animal Disease Center, Ames, Iowa 50010, USA
    J Food Prot 71:545-9. 2008
    ..2%; 2 positive of 165 samples). In trial 2, L. monocytogenes was only detected in a single chopped meat block sample (0.15%; 1 positive of 688 total samples). These data indicate the low prevalence of L. monocytogenes in the cull sow...
  18. pmc Preslaughter holding environment in pork plants is highly contaminated with Salmonella enterica
    M H Rostagno
    Pre Harvest Food Safety and Enteric Diseases Research Unit, National Animal Disease Center, USDA Agricultural Research Service, Ames, Iowa 50010, USA
    Appl Environ Microbiol 69:4489-94. 2003
    ..This study identifies the abattoir holding pens as a significant hazard and a potential control point for Salmonella contamination in the preharvest pork production chain...
  19. pmc Salmonella enterica infections in market swine with and without transport and holding
    H S Hurd
    Pre Harvest Food Safety and Enteric Diseases Research Unit, National Animal Disease Center, Agricultural Research Service, U S Department of Agriculture, Ames, Iowa 50010, USA
    Appl Environ Microbiol 68:2376-81. 2002
    ..enterica prevalence in swine. This finding identifies the holding pen as an important S. enterica control point in the pork production chain...
  20. ncbi request reprint Prevalence of Campylobacter jejuni and Campylobacter coli in market-weight turkeys on-farm and at slaughter
    Irene V Wesley
    Pre Harvest Food Safety and Enteric Diseases Unit, National Animal Disease Center, U S Department of Agriculture, Agricultural Research Service, Ames, Iowa 50010, USA
    J Food Prot 72:43-8. 2009
    ..recovered from the crops of birds at the abattoir (24%) was significant (P < 0.05), which may be associated with a detectable decline in lactic acid in the emptied crop...
  21. ncbi request reprint Rapid aerosol transmission of Salmonella among turkeys in a simulated holding-shed environment
    E Harbaugh
    Preharvest Food Safety and Enteric Diseases Research Unit, National Animal Disease Center, Agricultural Research Service, US Department of Agriculture, Ames, Iowa 50011, USA
    Poult Sci 85:1693-9. 2006
    ..Processes that generate significant dust prior to slaughter should be regarded as critical control points for Salmonella...
  22. ncbi request reprint Comparison of culture, multiplex, and 5' nuclease polymerase chain reaction assays for the rapid detection of Yersinia enterocolitica in swine and pork products
    S Boyapalle
    Pre-Harvest Food Safety and Enteric Diseases Research Unit, National Animal Disease Center, USDA, Agriculture Research Service, Ames, Iowa 50010, USA
    J Food Prot 64:1352-61. 2001
    ..The results suggest that pork products harbor more ail-bearing Y. enterocolitica than selected organs of freshly slaughtered hogs and that the TaqMan assay is more sensitive than either the multiplex PCR or traditional culture methods...
  23. ncbi request reprint Effect of preslaughter events on the prevalence of Salmonella in market-weight turkeys
    Irene V Wesley
    Pre Harvest Food Safety and Enteric Diseases Research Unit, National Animal Disease Center, U S Department of Agriculture, Agricultural Research Service, Ames, Iowa 50010, USA
    J Food Prot 69:1785-93. 2006
    ..01). This suggests that transport to and holding at the abattoir do not increase the prevalence of Salmonella in turkeys. This observation contrasts with the increase in Salmonella prevalence reported for hogs and some broilers...
  24. ncbi request reprint The association between cleaning and disinfection of lairage pens and the prevalence of Salmonella enterica in swine at harvest
    Peggy L Schmidt
    College of Veterinary Medicine, Iowa State University, Ames, Iowa 50011, USA
    J Food Prot 67:1384-8. 2004
    ..enterica in lairage pens, but the ability of cleaned and disinfected pens to reduce the prevalence of S. enterica in market-weight pigs remains inconclusive...
  25. ncbi request reprint Detection of multiresistant Salmonella typhimurium DT104 using multiplex and fluorogenic PCR
    S A Carlson
    Enteric Diseases and Food Safety Research Unit, National Animal Disease Center, Ames, Iowa 50010, USA
    Mol Cell Probes 13:213-22. 1999
    ..These results provide a method by which multiresistant S. typhimurium DT104, or potentially the next emerging multiresistant Salmonella, can be accurately detected in only 3-4 h...
  26. ncbi request reprint Modeling the relationship between food animal health and human foodborne illness
    Randall S Singer
    Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, 1971 Commonwealth Avenue, St Paul, MN 55108, USA
    Prev Vet Med 79:186-203. 2007
    ....
  27. ncbi request reprint Culture methods differ on the isolation of Salmonella enterica serotypes from naturally contaminated swine fecal samples
    Marcos H Rostagno
    National Animal Disease Center, USDA, Ames, IA 50010, USA
    J Vet Diagn Invest 17:80-3. 2005
    ..Depending on the objective(s) of investigations on the ecology and epidemiology of S. enterica in swine populations, a method or a combination of methods should be considered for more reliable results...
  28. pmc Effect of preslaughter events on prevalence of Campylobacter jejuni and Campylobacter coli in market-weight turkeys
    Irene V Wesley
    Pre Harvest Food Safety and Enteric Diseases Research Unit, USDA, Agricultural Research Service, National Animal Disease Center, P O Box 70, Ames, Iowa 50010, USA
    Appl Environ Microbiol 71:2824-31. 2005
    ..isolates recovered from flock 5 indicated that C. coli was more diverse than C. jejuni at both time 1 and time 2 (P < 0.01), based on a comparison of the Shannon indices of diversity and evenness...
  29. ncbi request reprint Public health consequences of macrolide use in food animals: a deterministic risk assessment
    H Scott Hurd
    Hurd Health Consulting, Roland, Iowa 50236, USA
    J Food Prot 67:980-92. 2004
    ..faecium-derived risk...
  30. ncbi request reprint Detection of Listeria monocytogenes in pigs and pork
    Sreenivas R Kanuganti
    Tuskegee University, Alabama 36088, USA
    J Food Prot 65:1470-4. 2002
    ..05) improved the detection of L. monocytogenes (50.2%) but not that of other Listeria species (1.7%). L. monocytogenes isolates (n = 243) were assigned to serotype 1 (53.5%), serotype 4 (25%), and serotypes other than 1 and 4 (21.4%)...