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Year 2013 - Volume 33, Number 12
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Eimeria spp. from Japanese quails (Coturnix japonica): new characteristic features and diagnostic tools, 33(12):1441-1447
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ABSTRACT.- Berto B.P., Borba H.R., Lima V.M., Flausino W., Teixeira-Filho W.L. & Lopes C.W.G. 2013. Eimeria spp. from Japanese quails (Coturnix japonica): new characteristic features and diagnostic tools. Pesquisa Veterinária Brasileira 33(12):1441-1447. Departamento de Biologia Animal, Instituto de Biologia, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ 23897-970, Brazil. E-mail: bertobp@ufrrj.br
The Japanese quail Coturnix japonica originated from North Africa, Europe and Asia, is used worldwide as an experimental animal and model for aviculture. The current paper characterizes Eimeria bateri, Eimeria tsunodai and Eimeria uzura recovered from C. japonica. Based on the fact that quails have a global distribution, as are their coccidia, the findings of this study should provide the means for diagnosis of those Eimeria spp. in other regions and continents. Eimeria bateri showed the greatest intensity of infection and shed oocysts from the fourth day after infection; in contrast, E. tsunodai and E. uzura shed oocysts from the fifth day after infection. The three species shared a high degree of similarity and were all polymorphic. Yet, the application of line regressions, histograms and ANOVA provided means for the identification of these species. Finally, the algorithm was very efficient since verified that resultant values were not superimposed. |
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