Scott J Wells

Summary

Affiliation: University of Minnesota
Country: USA

Publications

  1. doi request reprint Efficacy of feeding plasma-derived commercial colostrum replacer for the prevention of transmission of Mycobacterium avium subsp paratuberculosis in Holstein calves
    Patrick Pithua
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    J Am Vet Med Assoc 234:1167-76. 2009
  2. pmc Evaluation of a rapid fecal PCR test for detection of Mycobacterium avium subsp. paratuberculosis in dairy cattle
    Scott J Wells
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 136 Andrew Boss Laboratory Meat Science, 1354 Eckles Avenue, St Paul, MN 55108, USA
    Clin Vaccine Immunol 13:1125-30. 2006
  3. doi request reprint Use of epidemiologic information in targeted surveillance for population inference
    Scott J Wells
    Department of Veterinary Population Medicine, University of Minnesota, 136 ABLMS, 1354 Eckles Avenue, St Paul, MN 55108, USA
    Prev Vet Med 89:43-50. 2009
  4. ncbi request reprint Evaluation of antimicrobial susceptibility patterns in Campylobacter spp isolated from dairy cattle and farms managed organically and conventionally in the midwestern and northeastern United States
    Lisa W Halbert
    Population Medicine Center, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824 1314, USA
    J Am Vet Med Assoc 228:1074-81. 2006
  5. ncbi request reprint Antimicrobial susceptibility of Shiga toxin-producing Escherichia coli isolated from organic dairy farms, conventional dairy farms, and county fairs in Minnesota
    Seongbeom Cho
    Department of Veterinary Population Medicine, University of Minnesota, Minneapolis, Minnesota 55108, USA
    Foodborne Pathog Dis 4:178-86. 2007
  6. ncbi request reprint Prevalence of shiga toxin-encoding bacteria and shiga toxin-producing Escherichia coli isolates from dairy farms and county fairs
    Seongbeom Cho
    Department of Veterinary Population Medicine, University of Minnesota, St Paul, MN 55108, USA
    Vet Microbiol 118:289-98. 2006
  7. pmc Cattle-level risk factors associated with fecal shedding of Shiga toxin-encoding bacteria on dairy farms, Minnesota, USA
    Seongbeom Cho
    Department of Veterinary Population Medicine, University of Minnesota, Minneapolis, Minnesota, USA
    Can J Vet Res 73:151-6. 2009
  8. doi request reprint Evaluation of the risk of paratuberculosis in adult cows fed Mycobacterium avium subsp paratuberculosis DNA-positive or -negative colostrum as calves
    Patrick Pithua
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    Am J Vet Res 72:1456-64. 2011
  9. ncbi request reprint The association between Mycobacterium avium subsp. paratuberculosis fecal shedding or clinical Johne's disease and lactation performance on two Minnesota, USA dairy farms
    Eran A Raizman
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108, USA
    Prev Vet Med 78:179-95. 2007
  10. ncbi request reprint The associations between culling due to clinical Johne's disease or the detection of Mycobacterium avium subsp. paratuberculosis fecal shedding and the diagnosis of clinical or subclinical diseases in two dairy herds in Minnesota, USA
    Eran A Raizman
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108, United States
    Prev Vet Med 80:166-78. 2007

Detail Information

Publications39

  1. doi request reprint Efficacy of feeding plasma-derived commercial colostrum replacer for the prevention of transmission of Mycobacterium avium subsp paratuberculosis in Holstein calves
    Patrick Pithua
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    J Am Vet Med Assoc 234:1167-76. 2009
    ..To estimate the relative risk of paratuberculosis (Johne's disease [JD]) in calves fed a plasma-derived colostrum-replacement (CR) product versus raw bovine maternal colostrum (MC)...
  2. pmc Evaluation of a rapid fecal PCR test for detection of Mycobacterium avium subsp. paratuberculosis in dairy cattle
    Scott J Wells
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 136 Andrew Boss Laboratory Meat Science, 1354 Eckles Avenue, St Paul, MN 55108, USA
    Clin Vaccine Immunol 13:1125-30. 2006
    ..This assay can be used as a quick test for detection of cattle with heavy fecal shedding, those cattle with the highest risk of transmitting infection to susceptible cattle...
  3. doi request reprint Use of epidemiologic information in targeted surveillance for population inference
    Scott J Wells
    Department of Veterinary Population Medicine, University of Minnesota, 136 ABLMS, 1354 Eckles Avenue, St Paul, MN 55108, USA
    Prev Vet Med 89:43-50. 2009
    ..Targeted surveillance is appropriate for prevalence estimation when one has representative and justifiable estimates of key epidemiologic parameters...
  4. ncbi request reprint Evaluation of antimicrobial susceptibility patterns in Campylobacter spp isolated from dairy cattle and farms managed organically and conventionally in the midwestern and northeastern United States
    Lisa W Halbert
    Population Medicine Center, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824 1314, USA
    J Am Vet Med Assoc 228:1074-81. 2006
    ..To describe antimicrobial susceptibility patterns in Campylobacter spp isolated from dairy cattle and farms managed organically and conventionally in the midwestern and northeastern United States...
  5. ncbi request reprint Antimicrobial susceptibility of Shiga toxin-producing Escherichia coli isolated from organic dairy farms, conventional dairy farms, and county fairs in Minnesota
    Seongbeom Cho
    Department of Veterinary Population Medicine, University of Minnesota, Minneapolis, Minnesota 55108, USA
    Foodborne Pathog Dis 4:178-86. 2007
    ..Systematic surveillance of STEC from cattle could potentially detect emergence of antimicrobial resistance that may be spread to humans through the food chain...
  6. ncbi request reprint Prevalence of shiga toxin-encoding bacteria and shiga toxin-producing Escherichia coli isolates from dairy farms and county fairs
    Seongbeom Cho
    Department of Veterinary Population Medicine, University of Minnesota, St Paul, MN 55108, USA
    Vet Microbiol 118:289-98. 2006
    ..The presence of these potentially pathogenic bacteria in county fairs may pose a risk to the public who have contact with cattle or their environment...
  7. pmc Cattle-level risk factors associated with fecal shedding of Shiga toxin-encoding bacteria on dairy farms, Minnesota, USA
    Seongbeom Cho
    Department of Veterinary Population Medicine, University of Minnesota, Minneapolis, Minnesota, USA
    Can J Vet Res 73:151-6. 2009
    ..0, 95%CI: 1.0, 4.4) were more likely to shed STB than calves less than 28 days of age. This information may be helpful for identifying potential control strategies such as targeted vaccination or management practices...
  8. doi request reprint Evaluation of the risk of paratuberculosis in adult cows fed Mycobacterium avium subsp paratuberculosis DNA-positive or -negative colostrum as calves
    Patrick Pithua
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    Am J Vet Res 72:1456-64. 2011
    ....
  9. ncbi request reprint The association between Mycobacterium avium subsp. paratuberculosis fecal shedding or clinical Johne's disease and lactation performance on two Minnesota, USA dairy farms
    Eran A Raizman
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108, USA
    Prev Vet Med 78:179-95. 2007
    ..The negative economic impact implied by decreased lactation performance in cows shedding Map or with clinical JD may motivate producers to implement programs to control Map infection and subsequent JD...
  10. ncbi request reprint The associations between culling due to clinical Johne's disease or the detection of Mycobacterium avium subsp. paratuberculosis fecal shedding and the diagnosis of clinical or subclinical diseases in two dairy herds in Minnesota, USA
    Eran A Raizman
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108, United States
    Prev Vet Med 80:166-78. 2007
    ..0, 95% CI=5.3-30.0; moderate: OR=34.0, 95% CI=13.0-89.0; heavy: OR=66.0, 95% CI=26.0-171.0). Detection of fecal shedding at the end of the lactation (n=79) was associated only with event of pneumonia (OR=2.0, 95% CI=1.0-4.0)...
  11. ncbi request reprint Prevalence and characterization of Escherichia coli O157 isolates from Minnesota dairy farms and county fairs
    Seongbeom Cho
    Department of Veterinary Population Medicine, University of Minnesota, St Paul 55108, USA
    J Food Prot 69:252-9. 2006
    ..Four PFGE patterns matched those of isolates previously found in humans. The presence of E. coli O157 at county fairs suggests the potential for transmission to the public, who may have contact with cattle or their environment...
  12. ncbi request reprint Characterization of Minnesota dairy herds participating in a Johne's disease control program and evaluation of the program risk assessment tool
    Eran A Raizman
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St Paul 55108, USA
    Prev Vet Med 75:22-33. 2006
    ..The most recent ELISA test results were positively associated with postweaned heifer score and JD culling rate. The RA score was not found to be an effective tool for the prediction of ELISA seroprevalence...
  13. doi request reprint Lack of evidence for fecal shedding of Mycobacterium avium subsp. paratuberculosis in calves born to fecal culture positive dams
    Patrick Pithua
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, United States
    Prev Vet Med 93:242-5. 2010
    ..Findings of the present study suggest lack of evidence for fecal excretion of MAP in calves born to fecal culture positive (vs. negative) dams in a heavily infected herd...
  14. doi request reprint Clinical trial on type of calving pen and the risk of disease in Holstein calves during the first 90 d of life
    Patrick Pithua
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, United States
    Prev Vet Med 89:8-15. 2009
    ..paratuberculosis in Holstein calves...
  15. ncbi request reprint Evaluation of bacteriologic culture of individual and pooled fecal samples for detection of Mycobacterium paratuberculosis in dairy cattle herds
    Scott J Wells
    Department of Clinical and Population Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108, USA
    J Am Vet Med Assoc 223:1022-5. 2003
    ..To determine the sensitivity of bacteriologic culture of pooled fecal samples in detecting Mycobacterium paratuberculosis, compared with bacteriologic culture of individual fecal samples in dairy cattle herds...
  16. ncbi request reprint Sensitivity of test strategies used in the Voluntary Johne's Disease Herd Status Program for detection of Mycobacterium paratuberculosis infection in dairy cattle herds
    Scott J Wells
    Department of Clinical and Population Sciences, College of Veterinary Medicine, University of Minnesota, St Paul 55108, USA
    J Am Vet Med Assoc 220:1053-7. 2002
    ..To evaluate sensitivities at the herd level of test strategies used in the Voluntary Johne's Disease Herd Status Program (VJDHSP) and alternative test strategies for detecting dairy cattle herds infected with Mycobacterium paratuberculosis...
  17. pmc Estimated within-herd prevalence (WHP) of Mycobacterium avium subsp. paratuberculosis in a sample of Minnesota dairy herds using bacterial culture of pooled fecal samples
    Eran A Raizman
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota 55108, USA
    Can J Vet Res 75:112-6. 2011
    ..As Map is the causative agent of Johne's disease (JD), the results of this study could contribute to the success of a nationwide control program for this disease...
  18. pmc Mycobacterium avium subsp. paratuberculosis from free-ranging deer and rabbits surrounding Minnesota dairy herds
    Eran A Raizman
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota 55108, USA
    Can J Vet Res 69:32-8. 2005
    ..Although the MAP prevalence among rabbits and deer is low, their role as MAP reservoirs should be considered...
  19. doi request reprint Evaluation of the association between fecal excretion of Mycobacterium avium subsp paratuberculosis and detection in colostrum and on teat skin surfaces of dairy cows
    Patrick Pithua
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    J Am Vet Med Assoc 238:94-100. 2011
    ..To evaluate the association between fecal excretion of Mycobacterium avium subsp paratuberculosis (MAP) by dairy cows in the periparturient period and detection of MAP DNA in colostrum specimens and on teat skin surfaces...
  20. ncbi request reprint Effect of a plasma-derived colostrum replacement feeding program on adult performance and longevity in Holstein cows
    Patrick Pithua
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    J Am Vet Med Assoc 236:1230-7. 2010
    ..To evaluate longevity, milk production, and breeding performance in adult Holstein cows fed either a plasma-derived commercial colostrum replacer (CR) or raw bovine maternal colostrum (MC) at birth...
  21. ncbi request reprint Evaluation of progress made by dairy and beef herds enrolled in the Minnesota Johne's Disease Control Program
    Scott J Wells
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    J Am Vet Med Assoc 233:1920-6. 2008
    ..To evaluate progress made by cattle herds in the control of paratuberculosis (Johne's disease) through participation in the Minnesota Johne's Disease Control Program (MNJDCP)...
  22. doi request reprint Effect of delayed exposure of cattle to Mycobacterium avium subsp paratuberculosis on the development of subclinical and clinical Johne's disease
    Luis A Espejo
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108
    Am J Vet Res 74:1304-10. 2013
    ..To evaluate the effect of delayed exposure of dairy cattle to Mycobacterium avium subsp paratuberculosis (MAP) on the incidence of those cows testing positive for MAP and developing clinical Johne's disease (CJD)...
  23. ncbi request reprint Experimental validation of a nested polymerase chain reaction targeting the genetic element ISMAP02 for detection of Mycobacterium avium subspecies paratuberculosis in bovine colostrum
    Patrick Pithua
    Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, 900 East Campus Drive, Columbia, MO 65211, USA
    J Vet Diagn Invest 22:253-6. 2010
    ..However, adoption of this test for use in routine screening of field colostrum for MAP awaits findings from an ongoing field validation study...
  24. doi request reprint Evaluation of an alternative method of herd classification for infection with paratuberculosis in cattle herds in the United States
    Saraya Tavornpanich
    Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, 55108, USA
    Am J Vet Res 73:248-56. 2012
    ..To develop a better system for classification of herd infection status for paratuberculosis (Johne's disease [JD]) in US cattle herds on the basis of the risk of potential transmission of Mycobacterium avium subsp paratubeculosis...
  25. ncbi request reprint Comparison of automated microbroth dilution and agar dilution for antimicrobial susceptibility of Campylobacter jejuni isolated from dairy sources
    Lisa W Halbert
    Population Medicine Center, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA
    J Antimicrob Chemother 56:686-91. 2005
    ..To compare the agreement between microbroth dilution and agar dilution for antimicrobial susceptibility testing of Campylobacter jejuni...
  26. ncbi request reprint Evaluation of bacteriologic culture of pooled fecal samples for detection of Mycobacterium paratuberculosis
    Scott J Wells
    College of Veterinary Medicine, Department of Clinical and Population Sciences, University of Minnesota, St Paul 55108 1004, USA
    Am J Vet Res 63:1207-11. 2002
    ..To compare sensitivity of several methods of bacteriologic culture of pooled bovine fecal samples for detection of Mycobacterium paratuberculosis and evaluate homogeneity in number of M paratuberculosis in pooled fecal samples...
  27. doi request reprint Evaluation of the effects of a killed whole-cell vaccine against Mycobacterium avium subsp paratuberculosis in 3 herds of dairy cattle with natural exposure to the organism
    Barbara Knust
    Center for Animal Health and Food Safety, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    J Am Vet Med Assoc 242:663-9. 2013
    ....
  28. doi request reprint Characterization of the risk of deer-cattle interactions in Minnesota by use of an on-farm environmental assessment tool
    Barbara M Knust
    Center for Animal Health and Food Safety, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    Am J Vet Res 72:924-31. 2011
    ..To characterize the risk of interactions that may lead to the transmission of Mycobacterium bovis between cattle and white-tailed deer (Odocoileus virginianus) on farms in northern Minnesota...
  29. ncbi request reprint Economic analysis of feeding pasteurized nonsaleable milk versus conventional milk replacer to dairy calves
    Sandra M Godden
    Center for Animal Health and Food Safety, University of Minnesota, Saint Paul, MN 55108, USA
    J Am Vet Med Assoc 226:1547-54. 2005
    ....
  30. ncbi request reprint Prevalence of Salmonella spp on conventional and organic dairy farms
    Charles P Fossler
    Department of Clinical and Population Science, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
    J Am Vet Med Assoc 225:567-73. 2004
    ..To describe the occurrence of fecal shedding, persistence of shedding over time, and serogroup classification of Salmonella spp on a large number of dairy farms of various sizes...
  31. pmc Primary transcriptomes of Mycobacterium avium subsp. paratuberculosis reveal proprietary pathways in tissue and macrophages
    Harish K Janagama
    Department of Veterinary Population Medicine, University of Minnesota, 1365 Gortner Avenue, Saint Paul, MN 55108, USA
    BMC Genomics 11:561. 2010
    ....
  32. doi request reprint A case of chronic wasting disease in a captive red deer (Cervus elaphus)
    Marc D Schwabenlander
    1Marc D Schwabenlander, Veterinary Diagnostic Laboratory, University of Minnesota, 1333 Gortner Avenue, St Paul, MN 55113
    J Vet Diagn Invest 25:573-6. 2013
    ..Microscopic lesions of spongiform encephalopathy and immunohistochemical staining patterns and intensity were similar to those in CWD-positive elk and experimentally infected red deer. ..
  33. doi request reprint Meta-analysis of field studies on bovine tuberculosis skin tests in United States cattle herds
    MacDonald W Farnham
    Center for Animal Health and Food Safety, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108, USA
    Prev Vet Med 103:234-42. 2012
    ..These results should be considered at the herd and individual animal level when evaluating results from tuberculin skin test results in North American cattle herds...
  34. ncbi request reprint Biosecurity for gastrointestinal diseases of adult dairy cattle
    Scott J Wells
    Department of Clinical and Population Sciences, University of Minnesota, College of Veterinary Medicine, 1365 Gortner Avenue, St Paul, MN 55108, USA
    Vet Clin North Am Food Anim Pract 18:35-55, v-vi. 2002
    ....
  35. pmc Evaluation of five antibody detection tests for diagnosis of bovine paratuberculosis
    Michael T Collins
    Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin Madison, 2015 Linden Dr, Madison, WI 53706 1102, USA
    Clin Diagn Lab Immunol 12:685-92. 2005
    ..paratuberculosis in its feces. If used judiciously and interpreted quantitatively, these ELISAs are useful tools in support of paratuberculosis control programs in dairy herds...
  36. ncbi request reprint Amplified fragment length polymorphism to detect clonal diversity and distribution of Mycobacterium avium subspecies paratuberculosis in selected Minnesota dairy cattle
    Laura A Kiehnbaum
    Centers for Disease Control and Prevention, Minneapolis, MN 55414, USA
    J Vet Diagn Invest 17:311-5. 2005
    ..The major profile was distributed across the state. The genetic diversity of bovine MAP clones in Minnesota based on AFLP analysis of this data appears to be relatively low...
  37. ncbi request reprint Genetic mechanisms contributing to reduced tetracycline susceptibility of Campylobacter isolated from organic and conventional dairy farms in the midwestern and northeastern United States
    Lisa W Halbert
    Population Medicine Center, Michigan State University, East Lansing, Michigan 48824, USA
    J Food Prot 69:482-8. 2006
    ..By multiplex PCR, we determined that tetracycline resistance was highly associated with the carriage of tetO in Campylobacter isolates (X2 = 124, P < 0.01, kappa = 0.86)...
  38. ncbi request reprint Consensus recommendations on diagnostic testing for the detection of paratuberculosis in cattle in the United States
    Michael T Collins
    Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin Madison, Madison, WI 53706 1102, USA
    J Am Vet Med Assoc 229:1912-9. 2006
    ..Furthermore, as new information becomes available and assays are improved and their accuracy is critically evaluated, changes to these recommendations may be necessary...
  39. ncbi request reprint Simulation model for evaluation of testing strategies for detection of paratuberculosis in midwestern US dairy herds
    Saraya Tavornpanich
    Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA 95616 8737, USA
    Prev Vet Med 83:65-82. 2008
    ..ELISA alone was a sensitive and low-cost testing method; however, without confirmatory fecal culture, testing 30 cows in non-infected herds yielded HSp of 21% and 91% for EA and EB, respectively...