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Keywords = Leucocytozoon californicus

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8 pages, 2951 KiB  
Article
Haemoproteus spp. and Leucocytozoon californicus Coinfection in a Merlin (Falco colombarius)
by Simona Nardoni, Francesca Parisi, Guido Rocchigiani, Renato Ceccherelli, Francesca Mancianti and Alessandro Poli
Pathogens 2020, 9(4), 263; https://doi.org/10.3390/pathogens9040263 - 4 Apr 2020
Cited by 5 | Viewed by 6788
Abstract
The Leucocytozoon genus comprises numerous widely distributed parasites which have been less investigated than other avian hemoprotozoa. Their occurrence is common, with very variable prevalence values and pathogenicity degrees. Leucocytozoon species are characterized by a great taxonomic diversity, and infections are usually restricted [...] Read more.
The Leucocytozoon genus comprises numerous widely distributed parasites which have been less investigated than other avian hemoprotozoa. Their occurrence is common, with very variable prevalence values and pathogenicity degrees. Leucocytozoon species are characterized by a great taxonomic diversity, and infections are usually restricted to birds of the same family. In the present paper, a mixed hemosporidia infection by Leucocytozoon californicus and Haemoproteus sp. in an adult male merlin (Falco columbarius) which died during hospitalisation is reported, indicating, for the first time, a newly described avian host species. A molecular investigation was carried out through cytochrome b gene analysis, revealing a 100% match with L. californicus and Haemoproteus spp. A blood smear examination allowed us to detect Leucocytozoon fusiform mature gametocytes and different degrees of maturity of Haemoproteus gametocytes. Histopathology revealed foci of necrosis, hemorrhagic areas and extramedullary hematopoiesis in the liver, the presence of microthrombi in the heart and lung and scattered hemorrhages in the lung. Full article
(This article belongs to the Special Issue Animal Parasitic Diseases)
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