期刊
JOURNAL OF ORNITHOLOGY
卷 149, 期 3, 页码 337-343出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10336-008-0287-9
关键词
avian malaria; disease; Falco naumanni; Haemoproteus; Plasmodium
类别
We studied the consequences of chronic infections by three different lineages of avian malaria, two Plasmodium (RTSR1, LK6) and one Haemoproteus (LK2), on reproductive performance of Lesser Kestrels (Falco naumanni). Malaria infections in male and female parents had no effect on clutch size, hatching success or nesting success. However, when only successful nests were considered, we found that males parasitized by LK6 raised a lower number of fledglings, suggesting that the level of parental effort by males may be limited by this particular lineage of Plasmodium. This effect was not evident in females, probably due to the higher investment of males during the chick rearing period in this species. Overall, we have found that chronic stages of specific malaria lineages have certain negative consequences on host reproductive performance, highlighting the importance of considering genetic differences among malaria parasites to study their consequences on natural bird populations.
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