Résultats de la recherche - 2248 results

Airborne transmission of classical swine fever virus under experimental conditions.

three compartments and five pens. Each compartment had its own ventilation system resulting in air currents flowing from compartment A (pens 1 to 3) towards compartment B (pen 4), but not towards ...

Transmission and pathogenicity of encephalomyocarditis virus (EMCV) among rats.

both the Greek and Belgian EMCV strains = 4.48 — infinity), as did the 5-pair experiment with a higher dose of the Greek strain (95%- CI = 1.83 — infinity). Combining the results from the two 10-pair ...

Transmission of encephalomyocarditis virus in pigs estimated from field data in Belgium by means of R0.

2 scenarios, in- and excluding mortality based on the final sizes from the serological results of the second sampling. The R0 for the fully sampled pens was estimated between 0.6 and 1.7, the combined estimated ...

Keratin pattern in hyperkeratotic and ulcerated gastric pars oesophagea in pigs.

and the ulcerated pars oesophagea but not in the normal epithelium. These results indicate that K 6 is expressed in association with the mucosal changes. The pattern of the intermediate filaments of ...

Serological and biochemical follow-up in cattle naturally infected with Fasciola hepatica, and comparison with a climate model for predicting risks of fasciolosis.

untreated. The Lymnaea truncatula snails were counted on three different occasions. The results indicated a poor molluscicide efficiency. Body weight gains, anti-Fasciola antibody levels, faecal egg counts, ...

Characterization of In Vivo acquired resistance of Mycoplasma hyopneumoniae to macrolides and lincosamides.

gene of the resistant strain. No differences linked to resistance were found in the ribosomal proteins L4 and L22. The present study showed that 23S rRNA mutations resulting in resistance to macrolides ...

Resistance mechanism against fluoroquinolones in Mycoplasma hyopneumoniae field isolates.

In all five resistant isolates, one point mutation (C-→ A) in parC was found, resulting in an amino acid change from serine to tyrosine at position 80 (Escherichia coli numbering). For four of these ...

Sensitivity of avian Eimeria spp. to seven chemical and five ionophore anticoccidials in five Belgian integrated broiler operations.

of three Ross chicks. Medication started at 8 days of age, and each inoculated bird received 50,000 sporulated oocysts at 10 days. Results were related to the anticoccidial program that had been in ...

Analysis of foodborne disease in Belgium in 1997.

element of this surveillance is communication of the results, risks and measures for prevention between all the departments, institutions and public health authorities concerned. Health Topics:  Animal ...

Dietary silver nanoparticles can disturb the gut microbiota in mice.

RESULTS: No overall toxicity was recorded in mice exposed to Ag NP. Ag NP disturbed bacterial evenness (α-diversity) and populations (β-diversity) in a dose-dependent manner. Ag NP increased the ratio ...

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