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Bacterial Flora of the Conjunctiva and Nasal Cavity in Normal and Diseased Captive Bustards

C. D. Silvanose, T. A. Bailey, J. L. Naldo and J. C. Howlett
Avian Diseases
Vol. 45, No. 2 (Apr. - Jun., 2001), pp. 447-451
DOI: 10.2307/1592986
Stable URL: http://www.jstor.org/stable/1592986
Page Count: 5
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Bacterial Flora of the Conjunctiva and Nasal Cavity in Normal and Diseased Captive Bustards
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Abstract

A survey was carried out to describe the normal aerobic bacterial flora of the conjunctiva and nasal cavity of captive houbara bustards (Chlamydotis undulata), kori bustards (Ardeotis kori), and white-bellied bustards (Eupodotis senegalensis) maintained at the National Avian Research Center, Abu Dhabi, United Arab Emirates. A total of 58 samples were examined from the nasal cavity and 55 samples from the conjunctiva of healthy bustards. There was no bacterial growth in 45% of conjunctival samples. Bacteria isolated from the conjunctiva of healthy birds included Micrococcus spp., Staphylococcus auricularis, Staphylococcus xylosus, Staphylococcus capitis, Staphylococcus warneri, Bacillus spp., and Enterobacter amigenus. Bacteria isolated from the nasal cavity of healthy birds included Bacillus spp., Micrococcus spp., S. auricularis, S. xylosus, Staphylococcus simulans, Staphylococcus saprophyticus, Staphylococcus hyicus, Staphylococcus cohnii, Staphylococcus sciuri, Aerococcus spp., and Providencia rettgeri. These findings were compared with bacterial isolates from bustards with clinical signs of ocular or upper respiratory tract diseases. Mycoplasma spp., Pseudomonas aeruginosa, Pseudomonas stutzeri, Proteus mirabilis, Escherichia coli, Klebsiella spp., Aeromonas hydrophila, and Staphylococcus aureus were the pathogenic bacteria isolated from the conjunctiva of 34.3% bustards with ocular discharges. Mycoplasma spp., P. aeruginosa, Pseudomonas spp., P. mirabilis, E. coli, Klebsiella pneumoniae, and S. aureus were the pathogenic bacteria isolated from the nasal cavity of 74% bustards with upper respiratory tract diseases. /// Se llevó a cabo una encuesta con el fin de determinar la flora bacteriana aeróbica normal presente en la conjuntiva y la cavidad nasal de avutardas houbara cautivas (Chlamydotis undulata), avutardas kori (Ardeotis kori) y avutardas de vientre blanco (Eupodotis senegalensis) mantenidas en el Centro de Investigación Nacional Aviar, Abu Dhabi, en los Emiratos Arabes Unidos. Un total de 58 muestras de cavidades nasales y 55 muestras de conjuntivas provenientes de avutardas sanas fueron examinadas. En el 45% de las muestras de conjuntivas no se encontró crecimiento bacteriano. Dentro de las bacterias aisladas de la conjuntiva de aves sanas se encontraron: Micrococos spp., Staphylococcus auricularis, Staphylococcus xylosus, Staphylococcus capitis, Staphylococcus warneri, Bacillus spp., y Enterobacter amigenus. Dentro de las bacterias aisladas de la cavidad nasal de aves sanas se encontraron: Bacillus spp., Micrococos spp., S. auricularis, S. xylosus, Staphylococcus simulans, Staphylococcus saprophyticus, Staphylococcus hyicus, Staphylococcus cohnii, Staphylococcus sciuri, Aerococcus spp., y Providencia rettgieri. Estos hallazgos fueron comparados con aislamientos bacterianos provenientes de avutardas con signos clínicos oculares o de enfermedad respiratoria del tracto superior. En un 34.3% de las conjuntivas de avutardas con descargas oculares fueron aisladas las siguientes bacterias patógenas: Mycoplasma spp., Pseudomona aeruginosa, Pseudomona stuizeri, Proteus mirabilis, Escherichia coli, Klebsiella spp., Aeromonas hydrophila y Staphylococcus aureus. En un 74% de las cavidades nasales de avutardas con enfermedad respiratoria del tracto superior fueron aisladas las siguientes bacterias patógenas: Mycoplasma spp., P. aeruginosa, Pseudomonas spp., P. mirabilis, E. coli, Klebsiella pneumoniae y S. aureus.

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