Sep 28, 1976

Malaria of the orang-utan (Pongo pygmaeus) in Borneo

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
W Peters

Abstract

The primary objective of this project was to study the life cycle and ecology of Plasmodium pitheci, a malaria parasite of the orang-utan. The field work was based on the orang-utan rehabilitation centre in the Sepilok Forest Reserve of eastern Sabah. Two visits were made to Sepilok, the first in February and March, 1972, and the second (by W.P.) in January 1974. On the first visit two species of "surrogate host" were taken to Sabah, i.e. chimpanzees and Aotus monkeys for experimental work. The arboreal habitat of the orang-utan in the dipterocarp forests of eastern Sabah is described. In the Sepilok Forest Reserve dwell gibbons and leaf-monkeys, in addition to a small population of semi-domesticated and wild, free-ranging orang-utans of various ages. Although numerous species of anopheline mosquitoes have been collected in eastern Sabah, longitudinal studies are not available. Anopheles balabacensis was caught both attracted to orang-utans and to man at Sepilok. This species which is the main vector of human malaria in the north of Borneo, is suspected also of transmitting orang-utan malaria in this part of Sabah. Repeated blood examinations have been made on a number of orang-utans in the centre since 1966 and a high prevalen...Continue Reading

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  • Citations15

Mentioned in this Paper

Presbytis
Study, Methodological
Longitudinal Studies
Anatomic Structures
Amoeba genus
Cessation of Life
Polystichum silvaticum
Balantidiasis
Cercopithecidae
Platyrrhini

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