Search results - 151 results

Reduced virulence of a pseudorabies virus isolate from wild boar origin in domestic pigs correlates with hampered visceral spread and age-dependent reduced neuroinvasive capacity.

virulence of the wild boar strain, compared to what was previously reported for the virulent domestic NIA3 strain, is due to a severely hampered spread to visceral organs in pigs of both age categories and to ...

Improved Metrological Traceability of Particle Size Values Measured with Line-Start Incremental Centrifugal Liquid Sedimentation.

the uncertainty of the measurement results and to compare them with results obtained by others. We present the results of a collaborative study that aimed at demonstrating the traceability of particle ...

Selection and transfer of an IncI1-tet(A) plasmid of Escherichia coli in an ex vivo model of the porcine caecum at doxycycline concentrations caused by crosscontaminated feed.

Transconjugants of EC 682 were isolated more frequently in the presence of 1 and 4 mg l(-1) DOX compared to medium without DOX. CONCLUSIONS: Subtherapeutic intestinal DOX concentrations have the potential to select ...

Evaluation of 16 commercial antibody ELISAs for the detection of bovine viral diarrhea virus-specific antibodies in serum and milk using well-characterized sample panels.

s (min. 94%, max. 100%). Both DS e and AS e were lower when testing milk samples compared to serum samples. These results confirm that serologic monitoring of BVDV-free herds should be performed using serum ...

Specific antibody-mediated immunity in the reproductive tract of laying chickens immunized against Newcastle disease with conventional attenuated and inactivated vaccines.

test. Interestingly, NDV-specific IgM and IgA were detected frequently in the infundibulum and magnum as compared to the isthmus and uterus. These results show that the antibody immune response in the ...

Impact of Acanthamoeba Cysts on Stress Resistance of Salmonella enterica Serovar Typhimurium, Yersinia enterocolitica 4/O:3, Listeria monocytogenes 1/2a, and Escherichia coli O:26.

monocytogenes (99%) after sodium hypochlorite treatment compared with that of nonprimed bacteria. IMPORTANCE The results from this study demonstrated that both viable and nonviable amoebal cysts can protect ...

Imported human brucellosis in Belgium: Bio and molecular typing of bacterial isolates, 1996-2015.

Belgium, were analyzed by both classical biotyping and MLVA, and the genetic patterns compared to those of human strains isolated worldwide. RESULTS: Classical biotyping revealed that isolates were mainly ...

Exploring the Diversity of Field Strains of Brucella abortus Biovar 3 Isolated in West Africa.

a systematic review were compared using a clustering analysis and the Hunter-Gaston diversity index (HGDI). Thus, the analysis of the 42 MLVA genotyping results found in the literature on West Africa [i.e., from ...

Effect of residual doxycycline concentrations on resistance selection and transfer in porcine commensal escherichia coli.

significantly higher at 1 and 4 mg/L DOX compared to the blank control, but no significant difference between 1 and 4 mg/L was seen. Plasmid transfer frequencies were affected by 1 or 4 mg/L DOX in the medium for ...

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