Research Topics
| Scott A DeeSummaryAffiliation: University of Minnesota Country: USA Publications
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Publications
Longitudinal assessment of two Mycoplasma hyopneumoniae enzyme-linked immunosorbent assays in challenged and contact-exposed pigsEduardo Fano
PIC, Queretaro, Mexico
J Vet Diagn Invest 24:383-7. 2012..Both tests worked equally well during the chronic phase of infection but the blocking ELISA was more sensitive during acute stages of infection...- Identification of genetically diverse sequences (ORF 5) of porcine reproductive and respiratory syndrome virus in a swine herdS A Dee
Department of Clinical and Population Sciences, St Paul, Minnesota 55108, USA
Can J Vet Res 65:254-60. 2001..This paper indicates that based on the evaluation of ORF 5, genetically diverse strains of PRRSV appear to coexist, although the frequency and significance of this observation is not understood... - Evaluation of an air-filtration system for preventing aerosol transmission of Porcine reproductive and respiratory syndrome virusScott Dee
Swine Disease Eradication Center, 385 C Animal Science Veterinary Medicine Building, University of Minnesota College of Veterinary Medicine, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 69:293-8. 2005..01. Thus, under the conditions of this study, the air-filtration system evaluated appeared to be highly effective at reducing aerosol transmission of PRRSV... - Evaluation of systems for reducing the transmission of porcine reproductive and respiratory syndrome virus by aerosolScott A Dee
Swine Disease Eradication Center, 385C Animal Science Veterinary Medicine Building, University of Minnesota College of Veterinary Medicine, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 70:28-33. 2006..043 and P < 0.0005, respectively) than HEPA filtration. In conclusion, under the conditions of this study, HEPA filtration was significantly more effective at reducing aerosol transmission of PRRSV than the other methods evaluated... - An evaluation of disinfectants for the sanitation of porcine reproductive and respiratory syndrome virus-contaminated transport vehicles at cold temperaturesScott Dee
Swine Disease Eradication Center, 385 C Animal Science Veterinary Medicine Building, University of Minnesota College of Veterinary Medicine, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 69:64-70. 2005..In contrast, trailers treated with disinfectant and water were frozen within 60 min at -20 degrees C, and decontamination was not successful... - An evaluation of thermo-assisted drying and decontamination for the elimination of porcine reproductive and respiratory syndrome virus from contaminated livestock transport vehiclesScott Dee
Swine Disease Eradication Center, 385 C Animal Science Veterinary Medicine Building, 1988 Fitch Avenue, University of Minnesota College of Veterinary Medicine, St Paul, Minnesota 55108, USA
Can J Vet Res 69:58-63. 2005..Under the conditions of this study, the efficacy of the TADD system was equal to that of the overnight drying treatment, and it required a shorter period of time to complete its objective... - An assessment of sanitation protocols for commercial transport vehicles contaminated with porcine reproductive and respiratory syndrome virusScott Dee
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 68:208-14. 2004..Under the conditions of this study, it appears certain disinfectants may possess different levels of efficacy against PRRSV and PRRSV-positive models may be effectively sanitized in the absence of overnight drying... - An experimental model to evaluate the role of transport vehicles as a source of transmission of porcine reproductive and respiratory syndrome virus to susceptible pigsScott A Dee
University of Minnesota Swine Disease Eradication Center, 385C 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 68:128-33. 2004..Under the conditions of this study, drying appeared to be an important component of a sanitation program for ensuring PRRSV biosecurity of transport vehicles... - Evaluation of alternative strategies to MERV 16-based air filtration systems for reduction of the risk of airborne spread of porcine reproductive and respiratory syndrome virusScott Dee
Department of Veterinary Population Medicine, University of Minnesota College of Veterinary Medicine, St Paul, MN 55108, USA
Vet Microbiol 138:106-13. 2009.... - Evaluation of 4 intervention strategies to prevent the mechanical transmission of porcine reproductive and respiratory syndrome virusScott Dee
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, Room 385C, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 68:19-26. 2004.... - An evaluation of ultraviolet light (UV254) as a means to inactivate porcine reproductive and respiratory syndrome virus on common farm surfaces and materialsScott Dee
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, 385C 1988 Fitch Avenue, St Paul, MN 55108, USA
Vet Microbiol 150:96-9. 2011..These results suggest that UV(254) is an effective means to inactivate PRRSV on commonly encountered farm surfaces and materials and inactivation can be accomplished following 10 min of exposure... - Use of a production region model to assess the efficacy of various air filtration systems for preventing airborne transmission of porcine reproductive and respiratory syndrome virus and Mycoplasma hyopneumoniae: results from a 2-year studyScott Dee
Department of Veterinary Population Medicine, University of Minnesota College of Veterinary Medicine, St Paul, MN 55108, USA
Virus Res 154:177-84. 2010..These data provide a better understanding of the aerobiology of two important diseases of pigs and validate several air filtration technologies for protecting susceptible populations against the airborne challenge of PRRSV and M hyo... - Further evaluation of alternative air-filtration systems for reducing the transmission of Porcine reproductive and respiratory syndrome virus by aerosolScott A Dee
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, St Paul 55108, USA
Can J Vet Res 70:168-75. 2006.... - Mechanical transmission of porcine reproductive and respiratory syndrome virus throughout a coordinated sequence of events during cold weatherScott Dee
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, St Paul 55108, USA
Can J Vet Res 66:232-9. 2002..All sham-inoculated controls were negative. These results indicate that mechanical transmission of PRRSV can occur during coordinated sequence of events in cold weather... - Mechanical transmission of porcine reproductive and respiratory syndrome virus throughout a coordinated sequence of events during warm weatherScott Dee
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, St Paul, Minnesota 55108, USA
Can J Vet Res 67:12-9. 2003.... - Evidence of long distance airborne transport of porcine reproductive and respiratory syndrome virus and Mycoplasma hyopneumoniaeScott Dee
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, St Paul, MN 55108, USA
Vet Res 40:39. 2009..All 6 of the M. hyopneumoniae-positive samples were 99.9% homologous to M. hyopneumoniae 232. These results support the hypothesis that long distance airborne transport of these important swine pathogens can occur... - The impact of animal age, bacterial coinfection, and isolate pathogenicity on the shedding of porcine reproductive and respiratory syndrome virus in aerosols from experimentally infected pigsJenny G Cho
Swine Disease Eradication Center, Room 385C, Animal Science/Veterinary Medicine Building, 1988 Fitch Avenue, St. Paul, Minnesota 55108, USA
Can J Vet Res 70:297-301. 2006..However, inoculation with the PRRSV MN-184 isolate significantly increased the probability of aerosol shedding (P = 0.00005; odds ratio = 3.22). Therefore, the shedding of PRRSV in aerosols may be isolate-dependent... - Evaluation of mosquitoes, Aedes vexans, as biological vectors of porcine reproductive and respiratory syndrome virusSatoshi Otake
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, St Paul, Minnesota 55108, USA
Can J Vet Res 67:265-70. 2003..Transmission of PRRSV to susceptible pigs did not occur, and PRRSV was not detected from the mosquitoes. These findings indicate that mosquitoes are not likely to serve as biological vectors of PRRSV... - Retention of ingested porcine reproductive and respiratory syndrome virus in housefliesJennifer A Schurrer
Swine Disease Eradication Center, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
Am J Vet Res 66:1517-25. 2005..Therefore, retention of PRRSV in houseflies appears to be a function of initial virus load after ingestion and environmental temperature. These factors may impact the risk of insect-borne spread of PRRSV among farms... - Spatial dispersal of porcine reproductive and respiratory syndrome virus-contaminated flies after contact with experimentally infected pigsJennifer A Schurrer
Swine Disease Eradication Center, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108, USA
Am J Vet Res 65:1284-92. 2004..CONCLUSIONS AND CLINICAL RELEVANCE: Flies appeared to become contaminated with PRRSV from infected pigs and transported the virus > or = 1.7 km. Fly-born transmission may explain how PRRSV is seasonally transported between farms... - Influence of isolate pathogenicity on the aerosol transmission of Porcine reproductive and respiratory syndrome virusJenny G Cho
Swine Disease Eradication Center, Rm 385C, Animal Science Veterinary Medicine Building, 1988 Fitch Ave, St Paul, Minnesota 55108, USA
Can J Vet Res 71:23-7. 2007..04. We detected PRRSV MN-184 RNA but not PRRSV MN-30100 RNA in air samples by PCR. Under the conditions of this study, PRRSV isolate pathogenicity may influence aerosol transmission of the virus... - Infection dynamics and clinical manifestations following experimental inoculation of gilts at 90 days of gestation with a low dose of porcine reproductive and respiratory syndrome virusJean Paul Cano
Swine Disease Eradication Center, University of Minnesota, College of Veterinary Medicine, St Paul, Minnesota 55108, USA
Can J Vet Res 73:303-7. 2009..The results support the sampling of piglets late during lactation as a tool to monitor PRRSV shedding from sow-herds... - Impact of a modified-live porcine reproductive and respiratory syndrome virus vaccine intervention on a population of pigs infected with a heterologous isolateJean Paul Cano
Swine Disease Eradication Center, University of Minnesota, College of Veterinary Medicine, 385C Animal Science Veterinary Medicine Building, 1988 Fitch Avenue, St Paul, MN 55108, USA
Vaccine 25:4382-91. 2007.... - Evaluation of the effects of animal age, concurrent bacterial infection, and pathogenicity of porcine reproductive and respiratory syndrome virus on virus concentration in pigsJenny G Cho
Swine Disease Eradication Center, College of Veterinary Medicine, University of Minnesota, Saint Paul, 55108, USA
Am J Vet Res 67:489-93. 2006..CONCLUSIONS AND CLINICAL RELEVANCE: Multiple factors affect PRRSV concentration in pigs, including pathogenicity of the PRRSV isolate, age, and concurrent infection with M hyopneumoniae... - Survival of porcine reproductive and respiratory syndrome virus in housefliesSatoshi Otake
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, University of Minnesota, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 67:198-203. 2003..This study indicates that infectious PRRSV can survive within the intestinal tract of houseflies for up to 12 hours following feeding on an infected pig, but only for a short period on the exterior surface of the flies... - Antigen-specific B-cell responses to porcine reproductive and respiratory syndrome virus infectionPrasad Mulupuri
Department of Veterinary and Biomedical Sciences, University of Minnesota, 1971 Commonwealth Avenue, St Paul, MN 55108, USA
J Virol 82:358-70. 2008..However, the delayed response against GP5 early in infection may contribute to the prolonged acute infection and the establishment of persistence... - Effect of modified-live porcine reproductive and respiratory syndrome virus (PRRSv) vaccine on the shedding of wild-type virus from an infected population of growing pigsDaniel C L Linhares
Swine Disease Eradication Center, University of Minnesota, College of Veterinary Medicine, 385C Animal Science Veterinary Medicine Building, 1988 Fitch Avenue, St Paul, MN 55108, USA
Vaccine 30:407-13. 2012..The challenge-vaccine group had significant less PRRSv-positive oral fluids at 36 dpi. Moreover, the challenge-vaccine group had significant reduction in the cumulative PRRSv shed in the air... - Assessing the duration of persistence and shedding of porcine reproductive and respiratory syndrome virus in a large population of breeding-age giltsLaura Batista
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, St. Paul 55108, USA
Can J Vet Res 66:196-200. 2002..Evidence of PRRSV was not detected by PCR or VI in any tissue samples from the 120 index gilts. These results indicate that persistence and shedding of PRRSV are of short duration in breeding-age gilts... - Mechanical transmission of porcine reproductive and respiratory syndrome virus by mosquitoes, Aedes vexans (Meigen)Satoshi Otake
Swine Disease Eradication Center, University of Minnesota College of Veterinary Medicine, St. Paul 55108, USA
Can J Vet Res 66:191-5. 2002..All control pigs remained PRRSV negative, and PRRSV was not detected on the surface of the vials. This study indicates that mosquitoes (A. vexans) can serve as mechanical vectors of PRRSV... - Effect of vaccination with a modified-live porcine reproductive and respiratory syndrome virus vaccine on dynamics of homologous viral infection in pigsJean Paul Cano
Swine Disease Eradication Center, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA
Am J Vet Res 68:565-71. 2007.... - Dynamics and persistence of Mycoplasma hyopneumoniae infection in pigsEduardo Fano
Swine Disease Eradication Center, 385C Animal Science/Veterinary Medicine Building, University of Minnesota College of Veterinary Medicine, St. Paul, Minnesota 55108, USA
Can J Vet Res 69:223-8. 2005..The results of this study reconfirmed direct infection of M. hyopneumoniae and suggest that indirect transmission can occur in a population. Finally, duration of the infection in this study was longer than previously described... - Further assessment of fomites and personnel as vehicles for the mechanical transport and transmission of porcine reproductive and respiratory syndrome virusAndrea Pitkin
University of Minnesota College of Veterinary Medicine, St Paul, Minnesota 55108, USA
Can J Vet Res 73:298-302. 2009..In conclusion, under the proper conditions, transport and transmission of PRRSV by fomites and personnel may occur between swine populations in the absence of intervention... - Use of a production region model to assess the airborne spread of porcine reproductive and respiratory syndrome virusAndrea Pitkin
Department of Veterinary Population Medicine, University of Minnesota College of Veterinary Medicine, St Paul, MN 55108, USA
Vet Microbiol 136:1-7. 2009.... - Gammadelta lymphocyte response to porcine reproductive and respiratory syndrome virusMichael R Olin
Clinical and Population Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN 55108, USA
Viral Immunol 18:490-9. 2005..These results are not fully conclusive on the role of gammadelta lymphocytes against PRRSV; the data indicate that gammadelta lymphocytes specifically respond to PRRSV... - Biosecurity for gastrointestinal diseases of adult dairy cattleScott 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.... - Further assessment of houseflies (Musca domestica) as vectors for the mechanical transport and transmission of porcine reproductive and respiratory syndrome virus under field conditionsAndrea Pitkin
University of Minnesota College of Veterinary Medicine, 385C Animal Science Veterinary Medicine Building, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 73:91-6. 2009.... - Effect of Mycoplasma hyopneumoniae colonization at weaning on disease severity in growing pigsEduardo Fano
Swine Disease Eradication Center, College of Veterinary Medicine, 385 Animal Science Veterinary Medicine Building, University of Minnesota, 1988 Fitch Avenue, St Paul, Minnesota 55108, USA
Can J Vet Res 71:195-200. 2007..Therefore, strategies focused on reducing colonization at weaning seem to be important elements in the global control of M. hyopneumoniae in segregated production systems... - An experimental model to evaluate Mycoplasma hyopneumoniae transmission from asymptomatic carriers to unvaccinated and vaccinated sentinel pigsMaria Pieters
Swine Disease Eradication Center, University of Minnesota, St Paul, 55108, USA
Can J Vet Res 74:157-60. 2010..Vaccination against M. hyopneumoniae did not prevent colonization of sentinels in contact with infected animals. Transmission of M. hyopneumoniae from asymptomatic carriers to unvaccinated and vaccinated sentinels was not different... - Porcine reproductive and respiratory syndrome virusJenny G Cho
Swine Disease Eradication Center, College of Veterinary Medicine University of Minnesota, USA
Theriogenology 66:655-62. 2006.... - Virological and immunological responses to porcine reproductive and respiratory syndrome virus in a large population of giltsLaura Batista
Clinical and Population Sciences, University of Minnesota, St Paul, Minnesota 55108, USA
Can J Vet Res 68:267-73. 2004..Nevertheless none of the parameters measured (virus neutralizing antibodies), either alone or in combination, are solely responsible for the clearance of the virus from the host and the development of sterilizing immunity... - An assessment of the duration of Mycoplasma hyopneumoniae infection in an experimentally infected population of pigsMaria Pieters
Swine Disease Eradication Center, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108, USA
Vet Microbiol 134:261-6. 2009..Total clearance of M. hyopneumoniae in the group was evidenced, demonstrating that duration of M. hyopneumoniae infection lasts less than 254 days... - The level of virus-specific T-cell and macrophage recruitment in porcine reproductive and respiratory syndrome virus infection in pigs is independent of virus loadZhengguo Xiao
Department of Veterinary and Biomedical Sciences, University of Minnesota, 1971 Commonwealth Ave, St. Paul, MN 55108, USA
J Virol 78:5923-33. 2004..Thus, the slow but eventual resolution of PRRSV infection may be dependent on limiting permissive macrophages and on innate immune factors...