Some problems of host and parasite interactions in the coccidia

The current status of some concepts of host and parasite interactions in the coccidia are discussed and evaluated. It is suggested that winter coccidiosis of cattle caused by Eimeria zuernii results from activation of arrested endogenous stages in the tissues of the host. A second aspect of clinical...

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Bibliographic Details
Published inThe Journal of protozoology Vol. 23; no. 2; pp. 287 - 290
Main Author Marquardt, W.C
Format Journal Article
LanguageEnglish
Published United States 01.05.1976
Subjects
Animals
Apicomplexa - growth & development
Bird Diseases - parasitology
Cattle
Cattle Diseases - parasitology
Chickens
Coccidia - growth & development
Coccidiosis - parasitology
Coccidiosis - veterinary
Eimeria
Feces - parasitology
Isospora
Mice
Poultry Diseases - parasitology
Rats
Species Specificity
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Summary:The current status of some concepts of host and parasite interactions in the coccidia are discussed and evaluated. It is suggested that winter coccidiosis of cattle caused by Eimeria zuernii results from activation of arrested endogenous stages in the tissues of the host. A second aspect of clinical coccidiosis is that infections are seldom monospecific, but little work has been done on infections in animals with multiple species of coccidia. Information in the literature indicates that there are interactions between species of Eimeria in concurrent infections, and it is hoped that investigators will undertake studies to define more clearly what interactions there may be. Finally, the finding that there is a genetic basis for successful transmission of Eimeria separata from rats to mice provides a tool for studying the basis of host-specificity in the coccidia.
ISSN:0022-3921
2375-0804
DOI:10.1111/j.1550-7408.1976.tb03772.x