Epidemiological study on Mycoplasma synoviae infection in layers.

Fabienne Dufour-Gesbert 1 Alexandra Dheilly 1 Corinne Marois 1 Isabelle Kempf 1, *
* Auteur correspondant
1 Laboratoire d'études et de recherches avicoles, porcines et piscicoles
Abstract : Mycoplasma synoviae infection occurs worldwide in commercial poultry flocks and may result in severe economic losses. The prevalence of this mycoplasma in standard layers older than 60 weeks was studied in a French department and the characteristics of infected or free flocks were compared. The genomic profiles of isolates from 36 infected flocks were studied by pulsed-field gel electrophoresis and random amplified polymorphic DNA methods in order to investigate possible routes of transmission. The minimum inhibitory concentrations of antibiotics were determined. Results showed that infection was more frequent in multi-age farms. Egg production and mortality of infected flocks were respectively lower and higher than in non-infected flocks but the differences were not statistically significant. The genomic profiles of isolates were quite homogeneous, a feature which does not facilitate the understanding of routes of transmission. All isolates were susceptible to tetracyclines, macrolides (except erythromycin), spectinomycin and fluoroquinolones.
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Veterinary Microbiology, Elsevier, 2006, 114 (1-2), pp.148-54. 〈10.1016/j.vetmic.2005.10.040〉
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https://hal-anses.archives-ouvertes.fr/hal-00366177
Contributeur : Isabelle Kempf <>
Soumis le : vendredi 6 mars 2009 - 09:50:34
Dernière modification le : vendredi 6 mars 2009 - 13:27:56

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Fabienne Dufour-Gesbert, Alexandra Dheilly, Corinne Marois, Isabelle Kempf. Epidemiological study on Mycoplasma synoviae infection in layers.. Veterinary Microbiology, Elsevier, 2006, 114 (1-2), pp.148-54. 〈10.1016/j.vetmic.2005.10.040〉. 〈hal-00366177〉

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