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Browsing Doctor of Philosophy Theses and Dissertations by Title

Browsing Doctor of Philosophy Theses and Dissertations by Title

Now showing items 1-20 of 96

An analysis of economic efficiency among indigenous chicken farms in Kitui county, Kenya

Mutombo, Peter K. (2022-08-05)

Chicken production is one of the popular poultry activities worldwide. Chicken constitute the greatest percentage of livestock species reared in rural areas. In Kenya, the poultry sector contributes 30% of the agricultural ...
Antiretroviral resistance and genetic diversity of human immunodeficiency virus among antenatal clinic respondents on nevirapine from North-Rift Kenya

Kiptoo, Michael K. (2016-03-08)

Mother-to-child transmission (MTCT) of HIV-1 is responsible for infection of hundreds of thousands of infants every year. It is estimated that 600,000 newborns are infected yearly worldwide, with MTCT accounting for 90% ...
Application of Genetic Algorithms in the Optimization of a Solar Tunnel Fish Dryer Design and Performance

Kituu, Gareth M. (2015-02-10)

The fish industry in Kenya, with a production of over 350,000 metric tonnes earns USD 105 million which accounts for about 5% of the national Gross Domestic Product, provides 3% of skilled and unskilled employment. However, ...
Assessing effects of Zai pit with integrated soil fertility management on sorghum yields and soil properties in Kitui county, Kenya

Kebenei, Mercy C. (2023-06-20)

Low crop productivity, high evapotranspiration and low, erratic and unreliable rainfall among farms of sub-Saharan Africa (SSA) have necessitated a search for more sustainable production practices with higher efficiency ...
Assessment of diversity measures of biological heterogeneity using insects attracted to light

Kimondiu, Joshua M. (2017-07)

A study was undertaken to assess (a) temporal patterns of insect activity and diversity, (b) evaluate the measures of biological diversity and, (c) identify possible indicator groups of total insect diversity in an ...
Assessment of the Perceptions of Students, Tutors, Primary School Teachers and Headteachers about the Primary Teacher Education Curriculum in Kenya

Maina, Eunice N. (2016-04-12)

The study assessed the perceptions of primary teacher training college students, tutors, primary school teachers as well as headteachers of primary schools about the primary teacher education curriculum in Kenya. Among the ...
Attractiveness of sand fly baits and the effects of long-lasting insecticidal nets on the feeding behaviour and survival of Phlebotomus (Phlebotomus) duboscqi Neveu-Lemaire (Diptera: Psychodidae).

Kasili, Sichangi (2019-02-13)

Control of phlebotomuine sand flies is of utmost importance because of the role they play as vectors of leishmaniases and other diseases. Long-lasting insecticidal nets (LLINs), as possible tools for control have not been ...
The biology and ecology of Mussidia spp. (Lepidoptera : Pyralidae) and associated natural enemies in Kenya

Muli, Benjamin K. (2009-02)

Mussidia nigrivenella Ragonot (Lepidoptera: Pyralidae), an important pest of maize, cotton and Phaseolus bean in West Africa, has never been described as a crop pest from East and southern Africa (ESA). It was hypothesized ...
Certificateless signcryption for Wireless Sensor Networks

Kasyoka, Philemon (2022)

Wireless sensor networks (WSNs) have become popular in the field of information and communications technology, they are increasingly being used in applications such as surveillance systems, patient monitoring, object ...
Characterization and application of nanozeolitic materials as smart delivery systems for urea fertilizer and lambda cyhalothrin pesticide

Waswa, Gabriel A. (2022-06-02)

Natural zeolites could be applied as smart delivery system for controlled release of agricultural inputs resulting in enhanced productivity and reduced environmental pollution caused by excessive use of fertilizer and ...
Classroom discourse in chemistry : a study of the teacher pupil discourse events in some Kenyan chemistry classrooms

Muthwii, Samson M. (2014-12-04)

The intention of this study was to attempt to study the classroom discourse events in a sample of Kenyan chemistry classrooms. Special interest was particularly directed towards the verbal discourse patterns which were ...
Climate change perception, vulnerability and adaptation among smallholder farmers in Machakos County, Kenya

Kalia, David Makau (2024)

The unprecedented changes resulting from rapid and intensifying climate change have created extremely uncertain conditions for agricultural production, especially in ASALs. Farmers should, therefore, build resilience through ...
A Climate-Proof Response-Capability for Green Water Saving and Agriculture Resilience in Semi-arid Watersheds Of Eastern region, Kenya

Cush, Ngonzo L. (2015-02-11)

Climate change and deforestation are increasingly depleting the little “blue water” available in streams and groundwater in most tropical lands by increasing evapotranspiration and depleting plant water (“green water”). ...
Crop physiological analysis of seed quality variation in common bean (Phaseolus vulgaris L.)

Muasya, Reuben M. (2001)

Common bean yield is low in Kenya and use of poor quality seed by small-scale farmers has been identified as a major yield constraint. This research project aimed at increasing insight into development of common bean seed ...
Determinants of implementation of re-admission policy of girls’ after teenage pregnancy in public secondary schools in Kitui County, Kenya

Musili, Elizabeth K. (2020-12-24)

The purpose of this study was to investigate the determinants of the implementation of re-admission policy of girls after teenage pregnancy in public secondary schools in Kitui County, Kenya. The objectives for the study ...
Determinants of teacher retention in public primary schools in Machakos county, Kenya

Mulinge, Paul (2023-10-18)

Teacher retention in educational institutions is an area of great concern to stakeholders in the education sector. Staffing in public primary schools is an important practice that ensures provision of quality education. ...
Determination of the drivers and impacts of water diversion and abstraction in selected rivers in the upper Tana basin, Kenya

Mwendwa, Philip K. (2020-09-02)

The South West Upper Tana Basin, Kiama, Chania, Kimakia and Thika sub basins, located in the central region of Kenya has been experiencing increased water abstraction and river diversions. However, the causes of this ...
Development assistance in Kenya: an evaluation of German donor aid in post independent Kenya, 1963-2003

Mukilima, Joel I. (2022-02-08)

This study traces, analyses and accounts for German and Kenyan development bilateralism from 1963 to 2003. It highlights the origins, characteristics and development of Germany's development assistance programme to Kenya. ...
Drought assessment and forecasting using indices and artificial neural networks for the upper Tana River basin, Kenya

Wambua, Raphael M. (2022-10-24)

Drought is acritical stochastic natural disaster that adversely affects water resources, ecosystems and people. Drought is a condition characterized by scarcity of precipitation and/or water quantity that negatively affects ...
An economic analysis of smallholder dairy productjon in Kiambu district, Kenya

Kilungo, Julius K. (1999)

The purpose of this study was to analyze the economics of smallholder dairy production in Kiambu District, Kenya. As high potential agricultural land sizes diminish in Kenya, it is critical that farmers attain high levels ...

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