Search Results - "Weigel, R.M"

Effect of transportation and feed withdrawal on shedding of Salmonella typhimurium among experimentally infected pigs by Isaacson, R E, Firkins, L D, Weigel, R M, Zuckermann, F A, DiPietro, J A

“…To determine whether stress associated with transportation or feed withdrawal increased fecal shedding of Salmonella Typhimurium among pigs experimentally…”
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Testing an ecological model for transmission of Salmonella enterica in swine production ecosystems using genotyping data by Weigel, Ronald M., Nucera, Daniele, Qiao, Baozhen, Teferedegne, Belete, Suh, Dong Kyun, Barber, David A., Bahnson, Peter B., Isaacson, Richard E., White, Bryan A.

“…An ecological model for transmission of Salmonella enterica in swine production ecosystems was developed, identifying host species, environmental reservoirs,…”
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Associations between on-farm and slaughter plant detection of Salmonella in market-weight pigs by Bahnson, Peter B, Kim, Jae-Yeon, Weigel, Ronald M, Miller, Gay Y, Troutt, H Fred

“…Thirty swine production units in the midwestern United States were studied to assess the relationship of herd-level prevalence of Salmonella on the farm prior…”
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Prognostic importance of alkaline phosphatase activity in serum from dogs with appendicular osteosarcoma: 75 cases (1990-1996) by Ehrhart, N, Dernell, W S, Hoffmann, W E, Weigel, R M, Powers, B E, Withrow, S J

“…To determine whether alkaline phosphatase activity in dogs with appendicular osteosarcoma can be used as a prognostic indicator. Retrospective study. 75 dogs…”
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Sensitivity and specificity of various serologic tests for detection of Toxoplasma gondii infection in naturally infected sows by Dubey, J P, Thulliez, P, Weigel, R M, Andrews, C D, Lind, P, Powell, E C

“…The sensitivity and specificity of various serologic tests for antibodies to Toxoplasma gondii were compared in 1,000 naturally exposed sows, using isolation…”
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Sources and reservoirs of Toxoplasma gondii infection on 47 swine farms in Illinois by Dubey, J.P. (ARS, USDA, Beltsville, MD.), Weigel, R.M, Siegel, A.M, Thulliez, P, Kitron, U.D, Mitchell, M.A, Mannelli, A, Mateus-Pinilla, N.E, Shen, S.K, Kwok, O.C.H

“…Field studies were conducted on 47 swine farms in Illinois during 1992 and 1993 to identify sources and reservoirs of Toxoplasma gondii infection. Blood…”
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Associations between genetics, farm characteristics and clinical disease in field outbreaks of porcine reproductive and respiratory syndrome virus by Goldberg, Tony L., Weigel, Ronald M., Hahn, Edwin C., Scherba, Gail

“…Porcine reproductive and respiratory syndrome (PRRS) is a disease of domestic swine characterized by exceptionally high clinical variability. This study…”
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Prevalence and serovars of Salmonella enterica isolated from ileocolic lymph nodes of market pigs reared in selected Midwest US swine herds by Bahnson, P.B, Damman, D.J, Isaacson, R.E, Miller, G.Y, Weigel, R.M, Troutt, H.F

“…Objectives: To describe the prevalence and serovars of Salmonella enterica in ileocolic lymph nodes of slaughtered swine in a sample of Midwest US herds and to…”
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retrospective study of risk factors for porcine reproductive and respiratory syndrome virus infection and clinical disease in swine herds in Illinois during the early years of the pandemic by Firkins, L.D, Weigel, R.M

“…Objectives: To determine whether purchase and isolation of gilts and boars, purchase of semen for artificial insemination (AI), sharing of boars with other…”
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Risk factors for transmission of Toxoplasma gondii on swine farms in Illinois by Weigel, R.M. (University of Illinois, Urbana, IL.), Dubey, J.P, Siegel, A.M, Kitron, U.D, Mannelli, A, Mitchell, M.A, Mateus-Pinilla, N.E, Thulliez, P, Shen, S.K, Kwok, O.C.J

“…Two epidemiologic studies of risk factors for transmission of Toxoplasma gondii to swine were conducted for farms in Illinois. The first study was a…”
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Prevalence of antibodies to Toxoplasma gondii in swine in Illinois in 1992 by Weigel, R M, Dubey, J P, Siegel, A M, Hoefling, D, Reynolds, D, Herr, L, Kitron, U D, Shen, S K, Thulliez, P, Fayer, R

“…A serologic survey that tested for antibodies to Toxoplasma gondii was conducted, using the modified direct agglutination test, on 6,965 serum samples…”
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Herd factors affecting the selection and success of intervention strategies in the program for eradication of pseudorabies (Aujeszky's disease) virus from Illinois swine farms by Siegel, Arthur M, Weigel, Ronald M

“…The program for eradication of pseudorabies virus (PrV) from swine herds in Illinois was evaluated with respect to compliance with Livestock Conservation…”
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Application of a quantitative algorithm to restriction endonuclease analysis of Aujeszky's disease (pseudorabies) virus from a geographically localized outbreak by Scherba, G, Wiemers, J.F, Siegel, A.M, Jin, L, Austin, C.C, Bowman, L, Redeford, B, Johnston, N.A, Weigel, R.M

“…Department of Veterinary Pathobiology, College of Veterinary Medicine, University of Illinois, Urbana, IL 61802, USA. A retrospective epidemiologic study was…”
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Field trial to evaluate the immunogenicity of pseudorabies virus vaccines with deletions for glycoproteins G and E by Firkins, L D, Weigel, R M, Biehl, L G, Hahn, E C

“…To evaluate, under field conditions, the immunogenicity of 2 pseudorabies virus (PRV) vaccines (each with deletion of the gene for glycoprotein G [gG], and 1…”
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Radial and tibial fracture repair with external skeletal fixation. Effects of fracture type, reduction, and complications on healing by Johnson, A L, Kneller, S K, Weigel, R M

“…Twenty-eight consecutive fractures of the canine radius and tibia were treated with external skeletal fixation as the primary method of stabilization. The time…”
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Field trial to evaluate immunogenicity of a glycoprotein I (gE)-deleted pseudorabies virus vaccine after its administration in the presence of maternal antibodies by Weigel, R M, Lehman, J R, Herr, L, Hahn, E C

“…A field trial was conducted on a commercial swine farm quarantined because of infection with pseudorabies virus. The purpose was to investigate, in growing…”
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Prognostic factors for tumor remission and survival in dogs after surgery for primary lung tumor: 76 cases (1975-1985) by Ogilvie, G K, Weigel, R M, Haschek, W M, Withrow, S J, Richardson, R C, Harvey, H J, Henderson, R A, Fowler, J D, Norris, A M, Tomlinson, J

“…The association of various prognostic factors with remission and survival after the excision of lung tumors was evaluated in 76 dogs. Overall, the median…”
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Serum protein concentrations and bone mineral content in aging normal men by Orwoll, E S, Weigel, R M, Oviatt, S K, Meier, D E, McClung, M R

“…Low serum protein levels and low dietary protein intakes possibly influence bone metabolism. To evaluate the relationships among serum protein concentrations,…”
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Progress after one year of a pseudorabies eradication program for large swine herds by Lehman, J R, Weigel, R M, Siegel, A M, Herr, L G, Taft, A C, Hall, W F

“…Six large farrow-to-finish swine herds quarantined for pseudorabies in Illinois participated in the USDA-initiated Large Herd Cleanup Study. These herds were…”
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Prevalence of pseudorabies virus infection and associated infections in six large swine herds in Illinois by Hall, W F, Weigel, R M, Siegel, A M, Wiemers, J F, Lehman, J R, Taft, A C, Annelli, J F

“…Sera were collected from 6 large farrow-to-finish swine herds infected with pseudorabies virus (PRV) in Illinois. All herds were participating in the Large…”
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