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Predation of free-living engorged female Rhipicephalus appendiculatus
(University of Nairobi., 1991-10)
In experiments done over a period of 1 1/2 years using engorged female Rhipicephalus appendiculatus tethered in a grass plot, 42% predation was observed in long grass (40-60 cm), and 36% in short grass (6-10 cm). Deaths ...
Seasonal variation in the prevalence of malaria and vector species in Northern Namibia
(©2012 Academic Journals, 2012-08)
The prevalence of malaria parasite, Plasmodium falciparum and the abundance of malaria vector species were studied in selected areas of northern Namibia during the wet and the dry seasons. Female mosquitoes were collected ...
Pathogenicity of the entomopathogenic fungus Metarhizium anisopliae to the red-legged tick, Rhipicephalus evertsi evertsi
(University of Nairobi., 2011)
Rhipicephalus evertsi evertsi is an economically-important tick of livestock in Africa mainly due to its ability to transmit Babesia equi to horses, Anaplasma marginale to cattle and to cause paralysis in lambs, adult sheep ...
Bovine erythrocytic, granulocytic and macrophage colony formation in culture. A preliminary report
(University of Naitrobi, 1978-07)
Bovine erythrocytic colonies containing up to 300 cells each were produced by using a plasma clot technique with five percent CO2 at 37 degrees C. with high humidity and 2.5 units of sheep step III erythropoietin per ...
Bovine granulocyte/macrophage and erythroid colony culture: characteristics of the colonies and the assay systems
(University of Nairobi., 1979-10)
Bovine bone marrow granulocyte/macrophage colonies were cultured in vitro in methyl cellulose and in plasma clots using bovine endotoxin-stimulated serum as a source of colony stimulating activity. The endotoxin-stimulated ...
Laboratory Evaluation of Pathogenicity of Entomogenous Nematodes to African Tick Species
(University of Nairobi., 2000)
Five strains of entomogenous nematodes, Steinernema carpocapsæ strains DD, Mexican, SR, and Heterorhabditis bacteriophora strains 1S5 and HP88, were tested for their pathogenicity to various developmental stages of five ...
Development, reproductive capacity and survival of Amblyomma variegatum and Boophilus decoloratus in relation to host resistance and climatic factors under field conditions
(University of Nairobi., 1998-02)
To determine the developmental periods, fecundity and survival of Amblyomma variegatum and Boophilus decoloratus and the effect of host resistance, a study was carried out in the field at Abernossa ranch in Ethiopia using ...