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Journal Articles Veterinary Microbiology Year : 2006

Epidemiological study on Mycoplasma synoviae infection in layers.

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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.

Dates and versions

hal-00366177 , version 1 (06-03-2009)

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

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