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The rabbit coccidium Eimeria flavescens Marotel and Guilhon, 1941: an electron microscopic study of its life cycle

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Abstract

The endogenous cycle of Eimeria flavescens was studied in specific pathogen-free rabbits by means of histology and transmission electron microscopy. In total, five asexual generations were observed and two types of meronts and merozoites were found in each generation. Type A gave rise to a smaller number of thick polynucleate merozoites in which daughter merozoites were formed by endomerogony, while in the type B meronts slender uninucleate merozoites arose from ectomerogony. The first generation meronts were found in the crypts and proximal part of the villi of the duodenum and jejunum, whereas the three following generations developed in the superficial epithelium of the large intestine (cecum, vermiform appendix and colon). The last merogony as well as gamogony took place in crypts of the large intestine.

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Acknowledgement

The present work was supported by the Grant Agency of the Academy of Sciences of the Czech Republic, project no. S6022002. The experiment performed on the animals complied with the current laws of the Czech Republic.

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Authors and Affiliations

  1. Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 , České Budějovice, Czech Republic

    M. Pakandl

  2. Research Institute of Biopharmacy and Veterinary Drugs, BIOPHARM, 254 49 , Jílové u Prahy, Czech Republic

    F. Černík

  3. BioAgresseurs Santé et Environnement, Institut National de la Recherche Agronomique, 37380, Nouzilly, France

    P. Coudert

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  1. M. Pakandl
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  2. F. Černík
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  3. P. Coudert
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Correspondence to M. Pakandl.

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Pakandl, M., Černík, F. & Coudert, P. The rabbit coccidium Eimeria flavescens Marotel and Guilhon, 1941: an electron microscopic study of its life cycle. Parasitol Res 91, 304–311 (2003). https://doi.org/10.1007/s00436-003-0946-y

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  • DOI: https://doi.org/10.1007/s00436-003-0946-y

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