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Modeling Salmonella Choleraesuis infection by oral route of inoculation; titration of dose strength.

Proceedings of the 2nd International Symposium on the Epidemiology and Control of Salmonella in Pork, Copenhagen, Denmark, 20.-22. August 1997, 91-93

ANONYM (1993):

International Organization for Standardization. Microbiology – General guidance on methods for the detection of Salmonella. ISO 6579

ANONYM (1998):

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Bundesgesetzblatt 1999, Teil I, Nr.29, 1252-1260 ANONYM (2002):

Fliegen den Garaus gemacht. Erfolgreiche Bekämpfung erfordert strategisches Vorgehen.

dlz-Sonderdruck, Heft 5, 1-4 ANONYM (2003a):

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ANONYM (2004b):

The new classification system for slaughter-pig herds in the Danish Salmonella surveillance-and-control program.

Prev. vet. med. 53 (1-2), 133-146

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Untersuchungsergebnisse aus Deutschland zu dem EU-Projekt „Salmonella in Pork (Salinpork)“ - 1. Mitteilung: Untersuchungen in den Beständen.

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Detection of salmonella enterica in different materials from the environment of pig herds.

Proceedings of the 2nd International Symposium on the Epidemiology and Control of Salmonella in Pork, Copenhagen, Denmark, 20.-22. August 1997, 173-175

BAHNSON, P.B. u. P.J. FEDORKA-CRAY (1997):

The association between herd characteristics and Salmonella in slaughter age pigs.

Proceedings of the 2nd International Symposium on the Epidemiology and Control of Salmonella in Pork, Copenhagen, Denmark, 20.-22. August 1997, 145-147

BAHNSON, P.B., N.E. MATEUS-PINILLA, L.M. OMRAN, J. GRASS, L. FRANSEN u.

P.J. FEDORKA-CRAY (2001):

Risk factors for high levels of antibody to Salmonella spp. among market weight pigs.

Proceedings of the 4th International Symposium of the Epidemiology and Control of Salmonella and other food borne pathogens in pork,

Leipzig, Germany, 2.-5. September 2001, 250-252

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Distribution of Salmonella in swine production ecosystems.

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Safe Pork.

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Risk factors associated with increased seroprevalence of salmonella in finishing swine.

Proceedings of the 2nd International Symposium of Epidemiology and Control of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997, 212-214

BAUM, D.H., D.L. HARRIS, B. NIELSEN, P.J. FEDORKA-CRAY (1998):

Epidemiologic studies of salmonella in swine using culture and ELISA.

Proceedings of the 15th IPVS Congress, Birmingham, England, 5-9 July 1998, 75 BEAL, J., C. MORAN u. P. BROOKS (2003):

Fermented Liquid Feed: The potential for eliminating enteropathogens from feed.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 155-157

BEAL, J.D., S.J. NIVEN, A. CAMPBELL u. P.H. BROOKS (2002):

The effect of temperature on the growth and persistence of Salmonella in fermented liquid pig feed.

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So halten Sie Salmonellen in Schach.

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Longitudinal serological responses to Salmonella enterica of growing pigs in a subclinically infected herd.

Prev. vet. med. 60, 207-226

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An explanatory study about contamination of pens of finishing pigs by ubiquitous Salmonella.

Proceedings of the 3rd International Symposium on the Epidemiology and Control of Salmonella in Pork, Washington D.C., USA, 101-105

BELOEIL, P.A., P. FRAVALO, C. FABLET, J.P. JOLLY, E. EVENO, Y. HASCOET, C.

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Risk factors for Salmonella enterica subsp. enterica shedding by market-age pigs in French farrow-to-finish herds.

Prev. vet. med. 63, 103-120

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Salmonellenmonitoring und –reduzierung in der landwirtschaftlichen Primärproduktion als Beitrag zum vorbeugenden Verbraucherschutz am Beispiel der Schweinefleischproduktion.

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Was bringt die geplante Salmonellen-Verordnung?

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Salmonellenmonitoring in Schweinebeständen.

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BLAHA, T., J. EHLERS, U. METHNER, W. LEYK, K. ROHN U. L. KREIENBROCK (2003):

Proficiency Test of Four Salmonella Antibody ELSA-Tests for their Harmonization.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 105-107

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The early colonization pattern of S. Typhimurium in pigs after oral intake.

Proceedings of the 2nd International Symposium on Epidemiology and Control of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997, 71-73

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Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 237-238

BOYEN, F., F. PASMANS, E. DONNE, F. VAN IMMERSEEL, C. ADRIAENSEN, J.P.

HERNALSTEENS, R. DUCATELLE u. F. HAESEBROUCK (2004):

The role of Salmonella pathogenicity island 1 and 2 in the invasion and growth of Salmonella Typhimurium in a porcine intestinal epithelial cell line.

Proceedings of the 18th IPVS Congress, Hamburg, Germany, 27. Juni-1. Juli 2004, 690 BUSCHMANN, M. (1999):

Versuche zur Etablierung eines Salmonellenmonitorings an zwei deutschen Schlachthöfen.

Hannover, Tierärztl. Hochschule, Diss.

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Risk factors associated with shedding of Salmonella by finishing hogs.

Proceedings of the 3rd International Symposiumon on the Epidemiology and Control of Salmonella in Pork, Washington D.C., USA, 106-108

BUSH, E.J. u. P.J. FEDORKA-CRAY (2003):

Trends in Salmonella shedding by U.S. market hogs, swine 2000.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 51-53

BYSTED, D. (2003):

Effect of feeding strategy on Salmonella in Danish sows and weaners.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 138-140

CARLSON, A: u. T. BLAHA (1998):

Investigations into the on-farm contamination-infection cycle of zoonotic salmonella in pigs.

Proceedings of the 15th IPVS Congress, Birmingham, England, 5-9 July 1998, 94 CARLSON, A.R. u. T. BLAHA (1999a):

Investigations into the Infection-Contamination-Infection Cycle of Zoonotic Salmonella on Swine Farms: Investigation into the Occurence of Salmonella in the Environment on four selected Minnesota Swine Farms.

Proceedings of the 3rd International Symposiumon on the Epidemiology and Control of Salmonella in Pork, Washington D.C., USA, 109-112

CARLSON, A.R. u. T. BLAHA (2001):

In-herd prevalence of Salmonella in 25 selected Minnesota swine farms.

J. Swine Health Prod. 9 (1), 7-10

CARSTENSEN, B. u. J. CHRISTENSEN (1998):

Herd size and sero-prevalence of Salmonella enterica in Danish swine herds: a random effects model for register data.

Prev. vet. med. 34, 191-203

CASEY, P.G., G.D. CASEY, G.E. GARDINER, M. TANGNEY, C. STANTON, R.P. ROSS, C. HILL u. G.F. FITZGERALD (2003):

Anti-Salmonella lactic acid bacteria from porcine intestinal sources.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 280-282

CASSAR, C., K. SPEED, G. BENNETT u. R.H. DAVIES (2003):

Salmonella surveillance trends in porcine Salmonellae in GB: 1996-2002.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 80-82

CHARLES, S., A. ABRAHAM, E. TRIGO, G. JONES u. T. SETTJE (2000):

Reduced shedding and clinical signs of Salmonella Typhimurium in nursery pigs vaccinated with a Salmonella Choleraesuis vaccine.

Swine Health Prod. 8, 107-112

CHRISTENSEN, J., D.L. BAGGESEN, B. NIELSEN u. H. STRYHN (2002):

Herd prevalence of Salmonella spp. in Danish pig herds after implementation of the Danish Salmonella Control Program with reference to a pre-implementation study.

Vet. Microbiology 88, 175-188

CHRISTENSEN, J. u. M. RUDEMO (1998):

Multiple change-point analysis applied to the monitoring of salmonella prevalence in Danish pigs and pork.

Prev. vet. med. 36, 131-143

CORREA-MATOS, N.J., S.M. DONOVAN, R.E. ISAACSON, H.R. GASKINS, B.A.

WHITE u. K.A. TAPPENDEN (2003):

Fermentable fiber reduces recovery time and improves intestinal function in piglets following Salmonella typhimurium infection.

J. Nutr. 133 (6), 1845-1852

CRAVEN, S.E., N.J. STERN, E. LINE, J.S. BAYLEY, N.A. COX u. P. FEDORKA-CRAY (2000):

Determination of the Incidence of Salmonella spp., Campylobacter jejuni and Clostridium perfringens in Wild Birds near Broiler Chicken Houses by Sampling Intestinal Droppings.

Avian Dis. 44, 715-720

CREUS, E., W. MEJIA, F. BAUCELLS u. E. MATEU (2004) :

Prevalence of subclinical Salmonella infection and risk factors in finishing pig herds of Catalonia.

Proceedings of the 18th IPVS Congress, Hamburg, Germany, 27. Juni-1. Juli 2004, 677 DAHL, J. (1998a):

Cross-sectional epidemiological analysis of the relations between different herd factors and salmonella-seropositivity.

Proceedings of the 15th IPVS Congress, Birmingham, England, 5-9 July 1998, 280

DAHL, J. (1998b):

The effect of feeding non-heat-treated, non-pelleted feed compared to feeding pelleted, heat treated feed on the salmonella-seroprevalence of finishing pigs.

Proceedings of the 15th IPVS Congress, Birmingham, England, 5-9 July 1998, 125 DAHL, J. u. A. WINGSTRAND (1998):

The effect of diatary administration of an organic acid preparation on salmonella seroprevalence.

Proceedings of the 15th IPVS Congress, Birmingham, England, 5-9 July 1998, 126 DAHL, J., A. WINGSTRAND, D.L. BAGGESEN u. B. NIELSEN (1997):

Salmonella reduction at the farm level.

Proceedings of the 2nd International Symposium on Epidemiology and Control of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997, 182-184

DAHL, J., A. WINGSTRAND, B. NIELSEN u. D.L. BAGGESEN (1997):

Elimination of Salmonella typhimurium infection by the strategic movement of pigs.

Vet. Rec. 140, 679-681

DAVIES, P.R., J.A. FUNK, F.T. JONES, W.E.M. MORROW u. F. BOVEE (1998):

Salmonella serotypes in a multiple-site production system.

Proceedings of the 15th IPVS Congress, Birmingham, England, 5-9 July 1998, 72 DAVIES, P.R., J. FUNK u. W.E.M. MORROW (1999):

Fecal shedding of Salmonella by a cohort of finishing pigs in North Carolina.

Swine Health Prod. 7 (5), 231-234

DAVIES, P.R., W.A. GEBREYES, J.A. FUNK u. P. TURKSON (2004):

Observational evidence for differential translocation of Salmonella serovars to mesenteric lymph nodes of swine.

Proceedings of the 18th IPVS Congress, Hamburg, Germany, 27. Juni-1. Juli 2004, 652 DAVIES, P.R., W.E. MORROW, F.T. JONES, J. DEEN, P.J. FEDORKA-CRAY u. J.T.

GRAY (1997):

Risk for shedding Salmonella organisms by market-age hogs in a barn with open-flush gutters.

J. Am Vet. Med. Assoc. 210 (3), 386-389

DAVIES, P.R., P. K. TURKSON, J. A. FUNK, M. A. NICHOLS, S. R. LADELY u. P. J.

FEDORKA-CRAY (2000):

Comparison of methods for isolating Salmonella bacteria from faeces of naturally infected pigs.

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DAVIES, R.H., S. BEDFORD u. I.M. MC LAREN (2001):

A six year study of the persistence of Salmonella Typhimurium DT 104 on a farrow to finish pig farm.

Proceedings of the 4th International Symposium of the Epidemiology and Control of Salmonella and other food borne pathogens in pork,

Leipzig, Germany, 2.-5. September 2001, 265-273 DAVIES, R.H. u. C. WRAY (1995):

Mice as carriers of Salmonella enteritidis on persistently infected poultry units.

Vet. Rec. 30, 337-341

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Distribution of salmonella contamination in ten animal feedmills.

Vet. Microb. 51, 159-169

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Salmonellenvorkommen beim Schwein - epidemiologische Situation und Bewertung des Verbraucherschutzrisikos.

Prakt. Tierarzt 84 (12), 930-936

ENOE, C., J. BOES, J. DAHL u. B. SVENSMARK (2003):

Sensitivity of cultivation of Salmonella enterica in pooled samples of pig faeces.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork),

Kreta, Griechenland, 1.-4. Oktober 2003, 34-36 FEDORKA-CRAY, P.J. (1997):

Mechanism of host-agent interactions in subclinical salmonella infection in pig herds.

Proceedings of the 2nd International Symposium on the Epidemiology and Control of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997, 9-13

FEDORKA-CRAY, P.J., J.S. BAILEY, N.J. STERN u. N.A. COX (1997):

Mucosal competitive exclusion to reduce salmonella in swine.

Proceedings of the 2nd International Symposium on Epidemiology and Control of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997, 164-166

FEDORKA-CRAY, P.J., D.L. HARRIS u. S.C. WHIPP (1997):

Using isolated weaning to raise salmonella-free swine.

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Feed and feed trucks as sources of Salmonella contamination in swine.

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Tracking Salmonella on the farm: A farrow to finish study.

Proceedings of the 2nd International Symposium on Epidemiology and Control of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997, 196-198

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Transmission of S. typhimurium to swine.

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Risk factors associated with Salmonella enterica prevalence in three-site swine production systems in North Carolina, USA.

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Evaluation of sample weight fort the isolation of salmonella spp. from swine feces.

Proceedings of the 2nd International Symposium on the Epidemiology and Control of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997,S. 97-99

FUNK, J.A., P.R. DAVIES u. M.A. NICHOLS (2001):

Longitudinal study of Salmonella enterica in growing pigs reared in multiple-site swine production systems.

Vet. Microbiol. 83 (1), 45-60

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Prevalence of salmonella in finishing pigs of Northwest Germany.

Proceedings of the 15th IPVS Congress, Birmingham, England, 5-9 July 1998, 70 GARCIA, K., J.A. COLLAZOS, A.B. VIDAL, A. CARVAJAL u. P. RUBIO (2004):

Prevalence of Salmonella infection in Spanish swine farms.

Proceedings of the 18th IPVS Congress, Hamburg, Germany, 27.Juni-1.Juli 2004, 672 GARCIA, K., A.B. VIDAL, J.A. COLLAZOS, A. CARVAJAL, M. ARRAYO, M.A.

USERA, M.A. ECHEITA u. P. RUBIO (2004b):

Serotypes and serogroups of Salmonella strains isolated from Spanish swine farms.

Proceedings of the 18th IPVS Congress, Hamburg, Germany, 27.Juni-1.Juli 2004, 673 GARDINER, G.E., P.G. CASEY, P.B. LYNCH, P.G. LAWLOR, C.HILL, G.F.

FITZGERALD, C. STANTON u. P.R. ROSS (2003):

Performance of anti-Salmonella lactic acid bacteria in the porcine intestine.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 124-127

GEBREYES, W. A., S. THAKUR u. J. FUNK (2003):

Molecular Epidemiology of Salmonella enterica and Subtyping Using Phenotypic and genotypic Approaches.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork),Kreta, Griechenland, 1.-4. Oktober 2003, 47-49

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Keimvermehrung in Lebensmitteln.

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Effect of dose on the immune response and persistence of Salmonella choleraesuis infection in swine.

Am. J. Vet. Res. 57, 313-319

HANSEN, C.F., L.L. MIKKELSEN, K.E. BACH KNUDSEN u. B.B. JENSEN (2003):

The stomach acts as a barrier against Salmonella in pigs fed a meal diet.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 130-132

HARRIS, I.T. (2003):

Serologic basis for assassment of subclinical Salmonella infection in swine: Part 1 J. Swine Health Prod., 11 (5), 247-251

HARRIS, I.T., P.J. FEDORKA-CRAY, J.T. GRAY, L.A. THOMAS u. K. FERRIS (1997):

Prevalence of Salmonella organisms in swine feed.

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Molekularbiologische Grundlagen der Virulenz von Salmonellen und daraus resultierende neuere Nachweisverfahren.

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Heat destruction of Salmonella in Poultry Feed: Effect of Time, Temperature and Moisture.

Avian Dis. 40, 72-77

HURD, H.S., J.K. GAILEY, J.D. MC KEAN u. M.H. ROSTAGNO (2001):

Experimental rapid infection in market swine following exposure to a Salmonella contaminated environment.

Proceedings of the 4th International Symposium of the Epidemiology and Control of Salmonella and other food borne pathogens in pork,

Leipzig, Germany, 2.-5. September 2001, 462-464

HURD, H.S., J.D. MC KEAN, R.W. GRIFFITH, I.V. WESLEY u. M.H. ROSTAGNO (2002):

Salmonella enterica Infections in Market Swine with and without Transport and Holding.

Appl. Environ. Microbiol. 68 (5), 2376-2381

HURD, H.S., J.D. MCKEAN, R.D. GRIFFITH u. M.H. ROSTAGNO (2003):

Estimation of the Salmonella enterica prevalence in finishing swine.

Epidemiol. Infect. 132, 127-135

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Elimination of Salmonella in dry feeds.

Proceedings of the 2nd International Symposium on Epidemiology and Control of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997, 206-208

JAEGER, F. (2001):

Schweineproduktion: Die Salmonellenverordnung kommt. Zielsetzung und Stand der Dinge – Beitrag zum gesundheitlichen Verbraucherschutz.

Fleischwirtschaft 12, 15-17

JØRGENSEN, L., J. BOES, S. KRANKER, H. KJAERSGAARD u. H. WACHMANN (2003):

Effect of an optimised pelleted diet on Salmonella prevalence and pig productivity.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork), Kreta, Griechenland, 1.-4. Oktober 2003, 136-138

JØRGENSEN, L., J. DAHL u. A. WINGSTRAND (1999):

The effect of feeding pellets, meal and heat treatment on the Salmonella-prevalence of finishing pigs.

Proceedings of the 3rd International Symposium on the Epidemiology and Control of Salmonella in Pork, Washington, USA, 5.-7. August, 308-312

JØRGENSEN, L., KJAERSGAARD, H.D., WACHMANN, H., JENSEN, B.B. u. K.E.B.

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Effect of pelleting and use of lactic acid in feed on Salmonella prevalence and productivity in weaners.

Proceedings of the 4th International Symposium of the Epidemiology and Control of Salmonella and other food borne pathogens in pork,

Leipzig, Germany, 2.-5. September 2001, 109-111

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Salmonella in slaughter pigs of German origin: An epidemiological study.

Eur. J. Epidem. 16, 141-146

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A comparison of three ELISA kits for monitoring Salmonella antibodies in pig serum or meat juice.

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Effect on Salmonella prevalence by feeding sows meal or pelleted feed.

Proceedings of the 4th International Symposium of the Epidemiology and Control of Salmonella and other food borne pathogens in pork,

Leipzig, Germany, 2.-5. September 2001, 115-117 KOCH, F.-J. (2002):

Salmonellen-Monitoring kommt.

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Beispiele für die Anreicherung von Salmonellen in der Umwelt.

Dtsch. tierärztl. Wochenschrift 100, 264-274

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Bacteriological and serological examination and risk factor analysis of Salmonella occurence in sow herds, including risk factors for high Salmonella seroprevalence in receiver finishing herds.

Proceedings of the 4th International Symposium of the Epidemiology and Control of Salmonella and other food borne pathogens in pork,

Leipzig, Germany, 2.-5. September 2001, 230-236 KREIENBROCK, L. u. S. SCHACH (2005):

Biometrie: Epidemiologische Methoden.

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Vorkommen von Enteritis-Salmonellen beim Menschen.

Dtsch. tierärztl. Wochenschrift 100, 255-258

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Salmonellen: Früh auf die Erfordernisse einstellen. Verordnung wird kommen – Nicht alle organisatorischen Konsequenzen sind geklärt.

Fleischwirtschaft 2, 17-18

LEHMANN, J., T. LINDNER, M. NAUMANN, T. KRAMER, G. STEINBACH, T. BLAHA, J. EHLERS, H.J. SELBITZ, J. GABERT u. U. ROESLER (2004):

Application of a novel pig immunoglobulin-isotype-specific enzyme-linked immunosorbent assay for detection of Salmonella enterica serovar typhimurium antibodies in serum and meat juice.

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Discrimination of vaccinated and infected pigs by Salmonella-specific IgA antibodies.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork),

Kreta, Griechenland, 1.-4. Oktober 2003, 90-92

LETELLIER, A., J. MENARD u. S. QUESSY (2003):

Field trials to evaluate the efficacy of mash feed to reduce Salmonella shedding in swine.

Proceeding of the 5th International Symposium on the Epidemiology and Control of foodborne pathogens in pork (Safepork),

Kreta, Griechenland, 1.-4. Oktober 2003, 159-161

LETELLIER, A., S. MESSIER, L. LESSARD, S. CHENIER u. S. QUESSY (2001):

Host response to various treatments to reduce Salmonella infections in swine.

Can. J. Vet. Res. 65 (3), 168-172

LETELLIER, A., S. MESSIER u. S. QUESSY (1997):

Control of salmonella in swine by use of probiotics.

Proceedings of the 2nd International Symposium on Epidemiology and Ccontrol of Salmonella in pork, Copenhagen, Denmark, 20.-22. August 1997, 160-163

LEYK, W., F.-J. KOCH, S. JUNGNITZ u. K.-H. WALDMANN (2003):

Lactulose zur Reduzierung der Salmonellenausscheidung bei Mastschweinen.

Symposium im Untersuchungszentrum Münster am 29.1.2003 LEYK, W., R. ORTMANN u. F. WIEMER (1999):

Salmonellen mit Zucker Paroli bieten?

top agrar 10, S20-S21

LIEBANA, E., L. GARCIA-MIGURA, c. CLOUTING, F:A: CLIFTON-HADLEY, M.

BRESLIN u. R.H. DAVIES (2003):

Molecular fingerprinting evidence of the contribution of wildlife vectors in the maintenance of Salmonella Enteritidis infection in layer farms.

J. Appl. Microb. 94, 1024-1029

LINDAHL, J. (2002):

Salmonellenreduktion im positiven Bestand – ein Blick nach Dänemark.

BPT-Kongress 2002, Nürnberg, 237-243

LINDNER, Th., S. SPRINGER, G. STEINBACH, E. GEYER u. H.-J. SELBITZ (2002):

Die Immunprophylaxe - ein Beitrag zur Bekämpfung von Salmonella-Typhimurium-Infektionen beim Schwein.

Tierärztl. Prax. 30, 392-394 LIUM, B. u. P. HOPP (2004):

The prevalence of Salmonella spp. in pigs and pork in Norway.

Proceedings of the 18th IPVS Congress, Hamburg, Germany, 27. Juni-1. Juli 2004, 669 LO FO WONG, D.M.A., J. DAHL, J.S. ANDERSEN, A. WINGSTRAND, P.J. VAN DER WOLF, A. VON ALTROCK u. B.M. THORBERG (2001):

A European longitudinal study in Salmonella seronegative and seropositive classsified finishing pig herds.

Proceedings of the 4th International Symposium of the Epidemiology and Control of Salmonella and other food borne pathogens in pork,

Leipzig, Germany, 2.-5. September 2001, 262-264

LO FO WONG, D.M.A., J. DAHL, H. STEGE, P.J. VAN DER WOLF, L. LEONTIDES, A.

VON ALTROCK u. B.M. THORBERG (2004):

Herd-level risk factors for subclinical Salmonella infection in European finishing-pig herds.

Prev. vet. med. 62, 253-266

LUDEWIG, M u. K. FEHLHABER (2001):

Verbreitung von Salmonellen in der Schweinefleischerzeugungskette im Freistaat Sachsen.

2. Serologische Untersuchungen von Schlachttierkörpern.

Fleischwirtschaft 7, 96-98

LUDEWIG, M., J. PRÖHL, u. K. FEHLHABER (2001):

Verbreitung von Salmonellen in der Schweinefleischerzeugungskette im Freistaat Sachsen.

1. Untersuchungen in der Primärproduktion.

Fleischwirtschaft 6, 95-98

MADEC, F., F. HUMBERT, G. SALVAT u. P. MARIS (1999):

Measurement of the Residual Contamination of Post-Weaning Facilities for Pigs and Related

Measurement of the Residual Contamination of Post-Weaning Facilities for Pigs and Related