A study of commensals and parasites of 127
Papio cynocephalus captured in semi-desert habitats of the
Rift Valley Province, Kenya, revealed the presence of Entamoeba
histolytica and eight other intestinal protozoa: Entopolypoides
sp. in peripheral blood; two species of lung mites
(Pneumonyssus mossambicensis, P. santos-diasi) ; six nematodes
(Abbreviata caucasia, Enterobius brevicauda, Oesophagostomum
bifurcum, Streptopharagus baylisi, S. pigmentatus, and Trichostrongylus)
; and one cestode (Bertiella studeri).
Entopolypoides macaci occurs in different populations of
Papio cynocephalus in Kenya, but not in the same host with Hepatocystis
kochi. Parasitemia may be greatly enhanced by splenectomy, but
there is little effect on the host in spite of substantial alteration in hemoglobin
and RBC counts, and transferability to other primates is erratic.
Descriptions are presented for differentiation of E. macaci from H.
kochi.
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