Browsing PHD-Department of Zoologial Sciences by Issue Date
Now showing items 21-40 of 104
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Anopheles larval productivity and diversity in Mwea irrigation scheme, Kirinyaga district, Kenya
(2011-11-08)The use of irrigation to flood agricultural land during rice cultivation has over the years been associated with an increase in the number of disease vectors and corresponding increase in health burden due to malaria and ... -
Genetic variation in cytokines and effects as determinants of susceptibility and clinical outcomes of severe malarial anaemia in children in western Kenya
(2011-11-24)Plasmodium falciparum malaria still affects 350-500 million people resulting in 0.7-2.7 million deaths annually. This cross-sectional study conducted in western Kenya focused on defining host genetic factors that influence ... -
Studies of potential predators of the tomato red spider mite tetrancychus evansi (baker and pritchard) for possible introduction as biocontrol agents in Africa
(2011-11-24)The tomato red spider mite, Tetranychus evansi Baker & Pritchard, is an important exotic pest in small-scale production of tomatoes and other solanaceous plants in Africa. The mite most probably originated from Southern ... -
A Study of Conventional and Competency-Based Methods Used in Training Kenyan Nurses on the Management of Obstetric Emergencies
(2011-11-24)The goal of training health professionals is to assist them obtain the knowledge, skills and attitudes essential for the provision of safe and high quality health services to clients. At the time of this study, there was ... -
Isolation, recombinant expression and characterization of polymorphism of BM86 vaccine antigens homologues from Rhipicephalus Appendiculatus
(2011-12-07)Commercial vaccines based on the Bm86 tick gut antigen are used to control Boophilus microplus. B. Decoloratus and B. annulatus ticks in Australia, South America abd Asia. The vaccine also exhibits potential for control ... -
Effects of the louisiana rayfish (procambarus Clarkii) invasion on the food and territorial ecology of the African clawless otter (Aonyx capensis) in the Ewaso Ng'iro ecosystem
(2011-12-15)The introduction of the Louisiana red swamp crayfish (Procambarus clarkii Girard) into the Ewaso Ng'iro river ecosystem has been one of the most profound human impacts on this system in recent years. The crayfish has spread ... -
Optimization of semio-chemicals for savannah tsetse control through 'push','pull' and 'push-pull' tactics in Kenya
(2011-12-20)A synthetic repellent for savannah tsetse (2-methoxy-4-methylphenol), which is a synthetic analogue of a mild natural repellent (2-methoxyphenol), found in the body odours of tsetse bovid hosts was recently identified. ... -
Impact of a habitat management system and BT-maize on stemborrer natural enemies and biodiversity of arthropods and soil fauna in Kenya and South Africa
(2011-12-29)Lepidopteran stemborers are a major constraint to efficient production of cereals in Subsaharan Africa. As part of continuing efforts to manage these pests, the International Centre of Insect Physiology and Ecology and its ... -
Development and application of genetic markers linked to a QTL controlling resistance to trypanosomosis on bovine chromosome 7
(2012-01-04)Tsetse-transmitted trypanosomosis poses severe constraints to livestock productivity in sub-Saharan Africa, affecting large areas of the continent that hold the greatest potential for agricultural development. Greater ... -
Cellular immune responses in susceptible and resistant schistosomiasis patients co-infected with HIV-1 in Kisumu District, Kenya
(2012-01-05)This study aimed at dissecting immune mechanisms of resistance/susceptibility in schistosomiasis in a well-characterized cohort of hyper exposed adults with a high prevalence of HIV-1. The impact schistosome infections may ... -
The effects of insecticide-treated bed-nets on immune responses to plasmodium falciparum antigens in children and pregnant women in western Kenya
(2012-01-05)It is hypothesized that the use of bed-nets, especially in high malaria transmission areas, could lead to alterations in the acquisition and maintenance of malaria-specific immunity in young children and pregnant women, ... -
Isolation and identification of behaviourally active semiochemicals from human foot odour as attractants for African malaria vectors
(2012-01-10)Despite their small size and short lifetime, mosquitoes (Diptera: Culicidae) are vectors of diseases of vast economic and medical importance. They transmit life threatening human and animal diseases, in addition to their ... -
Revenue diversification in Kenya's public universities and implications for efficiency and equity: an analysis of educational finance in the African context
(2012-01-12)Despite their role in teaching, undertaking research and training of skilled manpower for economic development, public universities in developing nations especially those in Africa are facing financing crises. Over the ... -
An assesment of the use of botanical extracts and pheromes for the off-host and on-host control of amblyomma variegatum tick
(2012-01-12)The livestock tropical bont tick, Amblyomma variegatum Fabricius, is a pest of major economic importance in Africa where it is the vector of Cowdria ruminantium that causes Headwater, disease in cattle. Its control has ... -
Studies on the use of repellent plants and plant products aganist the main Malaria vectors in Eastern Africa
(2012-01-12)Malaria is one of the major public health problems in tropical Africa. The existing vector control tolls are not sufficient to reduce the already escalating burden of the disease. The main aims of this study were to search ... -
Population ecology of diamondback moth, Plutella xylostella L. (Lepidoptera: plutellidae) and its parasitoid in Ethiopia
(2012-01-12)The objective of this study was to generate information on the ecology of Diamondback moth (DBM) (Plutella xylostella L.) and the parasitoids associated with it with emphasis on parasitism for the purpose of strengthening ... -
The effect of changing water level, the fishes and fisheries of Masinga and Kamburu dams, Tana river, Kenya
(2012-01-12)The Tana River basin is the main centre for reservoir construction in Kenya. Five cascade dams have been constructed on the Tana River basin namely: Masinga, Kamburu, Kindaruma, Gitaru and Kiambere. Masinga, Kamburu and ... -
Evaluation of the potential of hyphomycetes fungi for the management of the African tephritid fruit flies ceratitis capitata (Weidemann), ceratitis cosyra (Walker) and ceratitis fasciventris (Bezzi) in Kenya
(2012-01-12)Tephritid fruit flies are among the major pests of fruits and vegetables worldwide and represent the most economically important group of phytophagous Diptera. Their control has basically depended on the use of chemical ... -
Gender values, Schooling, and transition to adulthood: a study of female and male pupils from two urban schools in Kenya
(2012-01-12)Studies on gender and education in Kenya have portrayed girls and women as passive victims of the patriarchal structures of family and school that reflect gender relations within a macro-system that defines femininity and ... -
Evaluation of leishmania donovani-erived lipophosphoglycan and monoclonal antibodies raised against leishmania major LPG as vaccine candidates in leishmaniasis
(2012-01-12)This thesis is a follow up on my MSc work, which suggested that the LPG was an excellent candidate as a transmission blocking vaccine against L. major infections. Previous attempts to vaccinate BALB/c mice using L. ...