Molecular and phylogenetic characterization of Cryptosporidium species in the saffron finch Sicalis flaveola
2022
Francisco Carlos Rodrigues de Oliveira | Samira Salim Mello Gallo | Taynara Kerolayne Santos Elizeu | Nicole Brand Ederli
Abstract Background Cryptosporidium is the most common protozoan that can infect a wide variety of animals, including mammals and birds. Fecal samples of six saffron finches, Sicalis flaveola, from a commercial establishment were screened for the presence of Cryptosporidium by the modified Ziehl–Neelsen technique and nested PCR of the 18S rRNA gene followed by sequencing of the amplified fragments. Results The species Cryptosporidium galli was identified in all six saffron fiches, in addition to Cryptosporidium andersoni in one of the birds, indicating a mixed infection. Only two birds had feathers that were ruffled and dirty with feces. Concomitant infection with Isospora spp. was observed in all birds. Conclusions Saffron finches are a possible host of C. andersoni and this is the first report of this species in a captive bird and the third report of parasitism by C. galli in Sicalis flaveola.
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