Derald J Holtkamp

Summary

Affiliation: Iowa State University
Country: USA

Publications

  1. pmc Investigation of strategies for the introduction and transportation of replacement gilts on southern Ontario sow farms
    Kate Bottoms
    Department of Population Medicine, Ontario Veterinary College, University of Guelph, Ontario, Canada
    BMC Vet Res 8:217. 2012
  2. doi request reprint Identifying questions in the American Association of Swine Veterinarian's PRRS risk assessment survey that are important for retrospectively classifying swine herds according to whether they reported clinical PRRS outbreaks in the previous 3 years
    Derald J Holtkamp
    Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA
    Prev Vet Med 106:42-52. 2012
  3. doi request reprint A prospective study evaluating duration of swine breeding herd PRRS virus-free status and its relationship with measured risk
    Derald J Holtkamp
    Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, 1600 S 16th St, Ames, IA 50011, USA
    Prev Vet Med 96:186-93. 2010
  4. ncbi request reprint [Terminology for classifying the porcine reproductive and respiratory syndrome virus (PRRSV) status of swine herds]
    D J Holtkamp
    Iowa State University, 2233 Lloyd Veterinary Medical Center, Ames, IA 50011, USA
    Tierarztl Prax Ausg G Grosstiere Nutztiere 39:101-12. 2011

Collaborators

Detail Information

Publications4

  1. pmc Investigation of strategies for the introduction and transportation of replacement gilts on southern Ontario sow farms
    Kate Bottoms
    Department of Population Medicine, Ontario Veterinary College, University of Guelph, Ontario, Canada
    BMC Vet Res 8:217. 2012
    ..Two subsets of variables were retained for analysis; one subset pertained to how replacements were managed upon arrival to the farm, and the other pertained to the transportation of genetic animals...
  2. doi request reprint Identifying questions in the American Association of Swine Veterinarian's PRRS risk assessment survey that are important for retrospectively classifying swine herds according to whether they reported clinical PRRS outbreaks in the previous 3 years
    Derald J Holtkamp
    Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA
    Prev Vet Med 106:42-52. 2012
    ..Sections with a high percentage of questions identified as unimportant included (1) characteristics of the site, (2) disposal of dead animals and waste management and (3) employee and visitors...
  3. doi request reprint A prospective study evaluating duration of swine breeding herd PRRS virus-free status and its relationship with measured risk
    Derald J Holtkamp
    Department of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University, 1600 S 16th St, Ames, IA 50011, USA
    Prev Vet Med 96:186-93. 2010
    ..The association between the risk of becoming positive to the PRRS virus and the external risk score was confounded by the method the site was established PRRS virus-free...
  4. ncbi request reprint [Terminology for classifying the porcine reproductive and respiratory syndrome virus (PRRSV) status of swine herds]
    D J Holtkamp
    Iowa State University, 2233 Lloyd Veterinary Medical Center, Ames, IA 50011, USA
    Tierarztl Prax Ausg G Grosstiere Nutztiere 39:101-12. 2011
    ..Growing-pig herds are categorized as Positive or Negative. Recommended testing procedures and decision rules for herd classification are detailed...