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Revista Brasileira de Ciência Avícola
Print version ISSN 1516-635X
KNOBL, T; CAPPELLETE, CP and VIGILATO, MAN. Enterobacteria isolation in ostrich eggs (Struthio Camelus). Rev. Bras. Cienc. Avic. [online]. 2012, vol.14, n.1, pp. 33-36. ISSN 1516-635X. http://dx.doi.org/10.1590/S1516-635X2012000100006.
This study was conducted to determine the presence of enterobacteria in the eggs of ostriches reared on a farm with a history of reproductive failure. Ninety samples from twenty eggs were submitted to bacteriological tests. The results showed Enterobacteria growth in 100% of the eggs. The microorganisms isolated were Hafnia alvei in 50% (10/20), Serratia spp. in 20% (4/20), Escherichia coli in 15% (3/20), and Citrobacter freundii in 15% (3/20). All eggs presented poor eggshell quality, which favored enterobacteria contamination. Hafnia alvei was present only in the internal egg structures (albumen and yolk sac), suggesting the possibility of vertical infection.
Keywords : Enterobacteria; Hafnia alvei; ostriches; reproduction; Struthio camelus.