Selection of a precocious line of the rabbit coccidium Eimeria flavescens Marotel and Guilhon (1941) and characterisation of its endogenous cycle
Language English Country Germany Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Eimeria growth & development pathogenicity ultrastructure MeSH
- Coccidiosis parasitology transmission veterinary MeSH
- Rabbits MeSH
- Oocysts growth & development MeSH
- Specific Pathogen-Free Organisms MeSH
- Intestinal Diseases, Parasitic pathology transmission veterinary MeSH
- Sporozoites growth & development MeSH
- Life Cycle Stages * MeSH
- Intestinal Mucosa parasitology pathology MeSH
- Intestine, Small parasitology pathology MeSH
- Intestine, Large parasitology pathology MeSH
- Microscopy, Electron, Transmission veterinary MeSH
- Animals MeSH
- Check Tag
- Rabbits MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
The SPF rabbits were inoculated with oocysts of Eimeria flavescens and the first newly developed oocysts were recovered. They were used for inoculation of other rabbits which consequently excreted oocysts sooner than in the previous passage. By repeated use of this method, the prepatent period was shortened after 18 passages by more than 60 h. The endogenous development of this precocious line (PL) differed from that of the original strain (OS). Compared to OS, two asexual generations, second (or third) and fourth, were absent in PL. The first merogony took place in the jejunum and ileum in OS and, in contrast, in the large intestine in PL. Like in other rabbit coccidia, two types of meronts (A and B) were seen in each generation. However, the ratio of B: A meronts in the last (fifth) asexual generation as well as ratio of microgamonts:macrogamonts differs in OS and PL.
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