Search Results - "Landman, Wil J.M."

Seroprevalence of Mycoplasma synoviae in Dutch commercial poultry farms by Feberwee, Anneke, Vries, Tjep S. de, Landman, Wil J.M

“…Before the year 2000, Mycoplasma synoviae was associated mainly with subclinical respiratory infections in broilers in the Netherlands and was considered to…”
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Identification of Brachyspira hyodysenteriae and Other Pathogenic Brachyspira Species in Chickens from Laying Flocks with Diarrhea or Reduced Production or Both by Feberwee, Anneke, Hampson, David J, Phillips, Nyree D, La, Tom, van der Heijden, Harold M.J.F, Wellenberg, Gerard J, Dwars, R. Marius, Landman, Wil J.M

“…Cecal samples from laying chickens from 25 farms with a history of decreased egg production, diarrhea, and/or increased feed conversion ratios were examined…”
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Progression of lesions in the respiratory tract of broilers after single infection with Escherichia coli compared to superinfection with E. coli after infection with infectious bronchitis virus by Dwars, R. Marius, Matthijs, Mieke G.R., Daemen, Angeline J.J.M., van Eck, Jo H.H., Vervelde, Lonneke, Landman, Wil J.M.

“…The progression of Escherichia coli lesions was studied in the respiratory tract of 4-week-old commercial broilers. Lesions were induced after a single…”
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Development of a blocking-ELISA for the detection of antibodies against Histomonas meleagridis in chickens and turkeys by van der Heijden, Harold M.J.F., Stegeman, Arjan, Landman, Wil J.M.

“…Histomonosis is an infectious disease of mainly galliform birds that can cause high mortality, especially in commercial turkey flocks. Several diagnostic tools…”
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Immunological basis of differences in disease resistance in the chicken by Zekarias, Bereket, Ter Huurne, Agnes A H M, Landman, Wil J M, Rebel, Johanna M J, Pol, Jan M A, Gruys, Erik

“…Genetic resistance to diseases is a multigenic trait governed mainly by the immune system and its interactions with many physiologic and environmental factors…”
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Leukocyte responses in two breeds of layer chicken that differ in susceptibility to induced amyloid arthropathy by Zekarias, Bereket, Landman, Wil J.M, Tooten, Peter C.J, Gruys, Erik

“…Amyloid arthropathy in chicken can be induced by intravenous inoculation of an arthropathic and amyloidogenic Enterococcus faecalis in susceptible breeds. The…”
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Is Mycoplasma synoviae outrunning Mycoplasma gallisepticum? A viewpoint from the Netherlands by Landman, Wil J. M

“…Mycoplasma gallisepticum and M. synoviae are the most relevant mycoplasma species for commercial poultry from the clinical and economic point of view. Although…”
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The role of various agents in chicken amyloid arthropathy by Landman, Wil J.M., v.d. Bogaard, Anton E.J.M., Doornenbal, Piet, Tooten, Peter C.J., Elbers, Armin R. W., Gruys, Erik

“…The results of an inventory of field cases of amyloid arthropathy in chickens and of routine post-mortem recordings over a two years period are described…”
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Letters to the Editor by Landman, Wil J.M, van Eck, Jo H. H

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Letters to the Editor by Landman, Wil J.M., van Eck, Jo H. H.

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Enterococcus cecorum infections in broiler breeders and their offspring: molecular epidemiology by Kense, M.J, Landman, W.J.M

“…Increased mortality and problems with lameness were reported in Dutch broiler flocks from the year 2008 onwards. Therefore, a field inventory, including 10…”
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Induction of eggshell apex abnormalities by Mycoplasma synoviae: field and experimental studies. [Erratum: 2009 Apr., v. 38, no. 2, p. 187.] by Feberwee, A, Wit, J.J. de, Landman, W.J.M

“…A novel eggshell pathology, characterized by an altered shell surface, thinning, increased translucency, and cracks and breaks in the eggshell apex, has become…”
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Suitability of differently formulated dry powder Newcastle disease vaccines for mass vaccination of poultry by Huyge, Katrien, Van Reeth, Kristien, De Beer, Thomas, Landman, Wil J.M., van Eck, Jo H.H., Remon, Jean Paul, Vervaet, Chris

“…A suitable powder formulation for the incorporation of live Newcastle disease vaccines was developed by spray drying. Dry powders containing a live-attenuated…”
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High Seroprevalence of Histomonas meleagridis in Dutch Layer Chickens by van der Heijden, Harold M. J. F, Landman, Wil J. M

“…Histomona meleagridis is a protozoan parasite that may cause outbreaks of histomonosis with high mortality, especially in turkey flocks. Chickens are less…”
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Investigation of the Efficiencies of Bioaerosol Samplers for Collecting Aerosolized Bacteria Using a Fluorescent Tracer. I: Effects of Non-sampling Processes on Bacterial Culturability by Zhao, Yang, Aarnink, Andre J. A., Doornenbal, Piet, Huynh, Thuy T. T., Koerkamp, Peter W. G. Groot, de Jong, Mart C. M., Landman, Wil J. M.

“…By sampling aerosolized microorganisms, the efficiency of a bioaerosol sampler can be calculated depending on its ability both to collect microorganisms and to…”
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In vitro effect of herbal products against Histomonas meleagridis by van der Heijden, Harold M.J.F., Landman, Wil J.M.

“…The ban on chemotherapeutics against Histomonas meleagridis in the European Union has left turkey producers without an effective treatment against…”
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Investigation of the Efficiencies of Bioaerosol Samplers for Collecting Aerosolized Bacteria Using a Fluorescent Tracer. II: Sampling Efficiency and Half-Life Time by Zhao, Yang, Aarnink, Andre J. A., Doornenbal, Piet, Huynh, Thuy T. T., Koerkamp, Peter W. G. Groot, Landman, Wil J. M., de Jong, Mart C. M.

“…Using uranine as a physical tracer, this study assessed the sampling efficiencies of four bioaerosol samplers (Andersen 6-stage impactor, all glass impinger…”
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Detection and quantification of classical swine fever virus in air samples originating from infected pigs and experimentally produced aerosols by Weesendorp, Eefke, Landman, Wil J.M., Stegeman, Arjan, Loeffen, Willie L.A.

“…During epidemics of classical swine fever (CSF), neighbourhood infections occurred where none of the ‘traditional’ routes of transmission like direct animal…”
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Effect of a live Mycoplasma synoviae vaccine on the production of eggshell apex abnormalities after a dual infection with M. synoviae and IBV D1466 by Feberwee, Anneke, Morrow, Christopher, Ghorashi, S A, Noormohammadi, Amir H., Landman, Wil J.M.

“…An experimental study was conducted to assess the effect of a live M. synoviae vaccine (Vaxsafe® MS, Bioproperties Pty Ltd, Ringwood, Victoria, Australia) on…”
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Deposition of differently sized airborne microspheres in the respiratory tract of chickens by Corbanie, E.A, Matthijs, M.G.R, Eck, J.H.H. van, Remon, J.P, Landman, W.J.M, Vervaet, C

“…As a part of the development of an efficient dry powder aerosol vaccine for poultry, the objective of this study was to accurately determine the deposition…”
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