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Zoekresultaten - 6 results
Quantification of rHVT-F genome load in feather follicles by specific real-time qPCR as an indicator of NDV-specific humoral immunity induced by day-old vaccination in SPF chickens.
haemagglutination inhibition (HI) test and NDV-specific IgG, IgM and IgA ELISA s. This is the first report of quantification of rHVT-F vaccine in FF and its correlation with the induction of ND-specific immune ...
Bluetongue surveillance system in Belgium: a stochastic evaluation of its risk-based approach effectiveness.
passive clinical surveillance, export testing. Scenario tree methodology was used to evaluate the relative sensitivity of detection and targeted approach of each component in terms of early detection and ...
Bovine tuberculosis surveillance alternatives in Belgium.
iterations per simulation. The median (50% percentile) of the component sensitivities across 10,000 iterations was 0.83, 0.85, 0.99, 0.99, respectively, for (i) testing the cattle only during the winter ...
Comparison of Salmonella enteritidis phage types isolated from layers and humans in Belgium in 2005.
both populations. MATERIALS AND METHODS: Separate descriptive statistics and univariate analysis were carried out and the parametric and/or non-parametric hypothesis tests were conducted. A time cluster analysis was ...
Further evidence of antigenic drift and protective efficacy afforded by a recombinant HVT-H5 vaccine against challenge with two antigenically divergent Egyptian clade 2.2.1 HPAI H5N1 strains.
Thierry van den Berg Source: Vaccine, Volume 29, Issue 14, p.2590-600 (2011) Keywords: Animals Antibodies, Viral Chickens Drug Carriers Genetic Vectors Hemagglutination Inhibition Tests Hemagglutinin ...
Identification of risk factors for the prevalence and persistence of Salmonella in Belgian broiler chicken flocks.
consecutive flocks? We used surveillance data on 6824 broiler flocks studied for Salmonella infectivity from 2005 to 2006 in Belgium. The farms were tested regularly (3 weeks before slaughter of each broiler ...