![]() We analysed blood samples from a Eurasian blackbird ( Turdus merula) and a Song thrush ( Turdus philomelos). This is particularly true due to the periodicity (circadian rhythms) of parasitemia, which means that different parasitemia and parasite stages might be found throughout the day. This makes wildlife pathogen research challenging, particularly if they belong to closely related groups, resulting in diagnostic problems and poor knowledge about such infections as well as the patterns of their co-occurrence and interactions. AbstractĪvian blood parasites are remarkably diverse and frequently occur in co-infections, which predominate in wildlife. No pattern in parasitemia dynamics was identified in Haemoproteus and Lankesterella infections. mavis parasites were obtained for the first time. Data about daily variation of Haemoproteus, Lankesterella, and S. ![]() mavis parasitemia increased during the night. showed some parasitemia peaks close to the evening and night. A peak of the Plasmodium matutinum parasitemia was seen during the daytime. As several blood infections were present in co-infection, we used this opportunity to investigate the daily changes in the parasite intensity seen in the blood of these birds. The molecular characterization of this parasites as well as Splendidofilaria mavis, an avian filarioid nematode, was developed. A new Lankesterella species was found and described. This study investigated blood parasites infections in a Eurasian blackbird ( Turdus merula) and a Song thrush ( Turdus philomelos). Co-infections not only make parasite morphological and molecular identification difficult, but also might influence the infection dynamics and disease manifestation. The diversity of avian blood parasites is remarkable, and they are often found in co-infections, which is a challenge for wildlife parasitology research.
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