Search Results - "Landman, W J M"

Longitudinal field study on the occurrence of Mycoplasma synoviae in Dutch turkey flocks with lameness and experimental induction of the condition by Landman, W. J. M, Feberwee, A

“…Four meat turkey farms with a history of lameness were investigated for the presence of Mycoplasma synoviae by testing one flock per farm for antibodies with…”
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Molecular typing of avian pathogenic Escherichia coli colonies originating from outbreaks of E. coli peritonitis syndrome in chicken flocks by Landman, W. J. M, Buter, G. J, Dijkman, R, van Eck, J. H. H

“…Escherichia coli colonies isolated from the bone marrow of fresh dead hens of laying flocks with the E. coli peritonitis syndrome (EPS) were genotyped using…”
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Comparison of Newcastle disease vaccine administered as powder or liquid in relation to the serum antibody response and adverse vaccinal reactions in broilers by Landman, W. J. M, Huyge, K, Remon, J. P, Vervaet, C, van Eck, J. H. H

“…Liquid spray and aerosol mass vaccination of poultry have several drawbacks, such as uncontrolled deposition of vaccine particles in the respiratory tract and…”
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Development and evaluation of a multi-locus sequence typing scheme for Mycoplasma synoviae by Dijkman, R., Feberwee, A., Landman, W. J. M.

“…Reproducible molecular Mycoplasma synoviae typing techniques with sufficient discriminatory power may help to expand knowledge on its epidemiology and…”
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Higher Incidence of Eimeria spp. Field Isolates Sensitive for Diclazuril and Monensin Associated with the Use of Live Coccidiosis Vaccination with Paracox™-5 in Broiler Farms by Peek, H. W, Landman, W. J M

“…Twenty European Eimeria spp. field isolates were subjected to an anticoccidial sensitivity test (AST). The anticoccidial drugs tested were diclazuril…”
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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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Coligranulomatosis (Hjärre and Wramby's disease) reconsidered by Landman, W. J. M., van Eck, J. H. H.

“…Coligranulomatosis (Hjärre and Wramby's disease) is considered to be a disease of chickens, turkeys and partridges that occurs sporadically in individual,…”
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Variable lipoprotein haemagglutinin (vlhA) gene sequence typing of mainly Dutch Mycoplasma synoviae isolates: comparison with vlhA sequences from Genbank and with amplified fragment length polymorphism analysis by Dijkman, R, Feberwee, A, Landman, W. J. M

“…Molecular typing techniques with sufficient discriminatory power are required to better understand the transmission of Mycoplasma synoviae , a poultry pathogen…”
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Tetratrichomonas gallinarum granuloma disease in a flock of free range layers by Landman, W J M, Gantois, N, van Eck, J H H, van der Heijden, H M J F, Viscogliosi, E

“…Granuloma disease in a flock of free range productive layers in the Netherlands in 2017 is described. The disease resembled granuloma outbreaks in layers…”
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Reproduction of the Escherichia coli peritonitis syndrome in laying hens by Landman, W. J. M, Heuvelink, A, van Eck, J. H. H

“…In five experiments, each consisting of four or six groups with seven or 14 brown laying hens per group, birds were inoculated with an Escherichia coli strain,…”
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Validation of a previously developed quantitative polymerase chain reaction for the detection and quantification of Mycoplasma synoviae in chicken joint specimens by Dijkman, R, Feberwee, A, Landman, W. J. M

“…A quantitative polymerase chain reaction (qPCR) was validated for the detection of Mycoplasma synoviae (PCR equivalents of colony-forming units [CFU eq.]) in…”
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Induction of eggshell apex abnormalities in broiler breeder hens by Feberwee, A, Landman, W.J.M

“…Recently, the causal relationship between eggshell apex abnormalities (EAA) and Mycoplasma synoviae was described. This eggshell pathology has only been…”
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In vivo screening of five phytochemicals/extracts and a fungal immunomodulatory protein against colibacillosis in broilers by Peek, H. W, Halkes, S. B. A, Tomassen, M. M. M, Mes, J. J, Landman, W. J. M

“…Five phytochemicals/extracts (an extract from Echinacea purpurea, a β-glucan-rich extract from Shiitake, betaine [Betain™], curcumin from Curcuma longa…”
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Coccidiosis in poultry: anticoccidial products, vaccines and other prevention strategies by Peek, H.W., Landman, W.J.M.

“…Coccidiosis in chickens is a parasitic disease with great economic significance, which has been controlled successfully for decades using mainly anticoccidial…”
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Titration of Marek's Disease Cell-Associated Vaccine Virus (CVI 988) of Reconstituted Vaccine and Vaccine Ampoules from Dutch Hatcheries by Landman, W. J M, Verschuren, S. B E

“…Thirty-one outbreaks of Marek's disease (MD) were reported in the Netherlands and retrospectively analyzed. The outbreaks occurred mostly in vaccinated…”
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Spray drying of an attenuated live Newcastle disease vaccine virus intended for respiratory mass vaccination of poultry by Corbanie, E.A, Remon, J.P, Van Reeth, K, Landman, W.J.M, van Eck, J.H.H, Vervaet, C

“…Abstract A powder vaccine intended for aerosol vaccination of poultry was formulated by spray drying a live attenuated Newcastle disease virus with potential…”
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Interference between Escherichia coli genotypes from the E. coli peritonitis syndrome given simultaneously to productive SPF White Leghorn hens by intratracheal inoculation by Landman, W. J. M., van Eck, J. H. H., Heuvelink, A. E.

“…The purpose of the present study was to examine if potentiation of mortality occurred after simultaneous administration of several Escherichia coli genotypes,…”
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Cloacal reflexes and uptake of fluorescein-labeled polystyrene beads in broiler chickens by van der Sluis, H.J, Dwars, R.M, Vernooij, J.C.M, Landman, W.J.M

“…Experiments were performed (1) to quantify reflex movements and volume uptake of physiological salt solution by the cloaca and (2) to evaluate the conditioned…”
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Success rates of intrauterine inoculations of layers via the vagina by Landman, W. J. M, Matthijs, M. G. R, van Eck, J. H. H

“…Intrauterine inoculation of layer hens has been documented previously in the literature; however, its efficiency has only been assessed on a very small scale…”
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The efficacy of inactivated Escherichia coli autogenous vaccines against the E. coli peritonitis syndrome in layers by Landman, W. J. M., van Eck, J. H. H.

“…Autogenous Escherichia coli vaccines to prevent the E. coli peritonitis syndrome (EPS) in laying hens are often used in the field, although their effectiveness…”
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