Hematological values and parasite fauna in free-rangingMacaca hecki and theM. hecki/M. tonkeana hybrid group of Sulawesi Island, Indonesia
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Hematological values and parasitological fauna of free-rangingMacaca hecki and the hybrid group betweenM. hecki/M. tonkeana of Sulawesi Island, Indonesia, were investigated. The hematological values, especially the red cell number (RBC), were lower than those of other macaque species, indicating that Sulawesi macaques are slightly anemic. Several parasites including Plasmodium sp., trombiculid mites, andTrichuris trichiura were identified. Although infection by Plasmodium was observed with considerable frequency, no clear relationship between its infection and the occurrence of anemia was found. Trombiculid mites and eggs ofAnatrichosoma sp. were detected in foci of the ears of most monkeys. The infection with a trombiculid mite is the first recorded occurrence in free-ranging wild Sulawesi macaques. Gastrointestinal parasites were identified from their eggs in fecal samples, where five species of nematoda and one trematoda species were found.
Key WordsSulawesi macaque Macaca hecki Macaca tonkeana Red blood cell count (RBC) Plasmodium sp. Trombiculid mite Anatrichosoma sp.
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