First report of Sarcocystis halieti (Apicomplexa) in bearded vulture (Gypaetus barbatus)

Abstract

At least three Sarcocystis species ( S. falcatula, S. halieti and S. wobeseri –like) have been detected infecting raptorial birds. By histopathology and PCR-sequencing of the ITS1 marker, S. halieti was detected in a bearded vulture ( Gypaetus barbatus ) and a black kite ( Milvus migrans ) from the Catalonia region in North Spain. The 241 bp-long sequences obtained from the Sarcocystis organisms detected in both raptors showed 97.5–99.6% and 97.9–100% similarity with those of previously identified S. halieti ; also, the phylogenetic trees generated placed the identified sequences together with other sequences of S. halieti available in GenBank. In sum, the description of the bearded vulture as a new intermediate host for S. halieti adds new insights on the complex epidemiology of the genus involving avian hosts.

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