Intestinal coccidia (Apicomplexa: Coccidia) in reptiles of Azerbaijan and anthropogenic influences on their prevalence

Authors

DOI:

https://doi.org/10.33910/2686-9519-2021-13-3-353-368

Keywords:

reptiles, Eimeria, Isospora, Cryptosporidium, morphometric indicators of oocycts, physical-geographical regions

Abstract

In the largest study of intestinal coccidia of reptiles, 215 reptiles of 22 species were examined in 5 regions located in 4 different natural areas of Azerbaijan. In total, 39 animals of 8 species infected with the following coccidia were found: Cryptosporidium, Eimeria, Isospora (Apicomplexa: Coccidia). Cryptosporidium oocysts were found in 30 animals of 8 species (infection rate = 13.9%); Eimeria oocysts in 9 animals of 3 species (infection rate = 4.2%), and Isospora oocysts in 3 animals of 3 species (infection rate = 1.4%). Joint parasitising of Cryptosporidium, Eimeria, Isospora was found in Caspian gecko. Cryptosporidium and Eimeria oocysts were found in Mediterranean tortoise and Caspian gecko. For the first time, E. nyschanica was found in Caucasian agama and I. gymnodactyli in Caspian gecko. In Mediterranean tortoise and Caspian gecko, Eimeria species could not be determined. The article discusses the problems of diagnostics of coccidia species based on the oocysts’ morphometric indicators. The influence of environmental factors, particularly in the context of increasing anthropogenic pressure, is also discussed.

References

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Published

2021-08-13

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