Browsing Theses & Dissertations by Issue Date

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The Mathematical Statistics of Diversity and Abundance

Taillie, Charles (The Pennsylvania State University The Graduate School Department of Statistics, 1977)
The Mathematical Statistics of Diversity and Abundance

Taillie Jr., Charles (The Pennsylvania State University, 1977)
Water Relations of the Ticks Rhipicephalus Appendiculatus Neumann, 1901 and Rhipicephalus Pulchellus Gerstacker, 1873

Mongi, Abdul Omari (University of Nairobi, 1977)

Fully hydrated, newly moulted, unfed nymphs and adults of Rhipicephalus pendiculatus and R. pulchellus were exposed to . controlled relative humidities (RH) of 0%, 20%, 33%, 55%, 62%, 75%, 85% and 96% at 18°c, 23°c, 27 0 ...
Biochemical Studies on the Accessory Reproductive Gland Secretions of the Male Desert Locust , Schistocera gragaria Forskal

Dhadialla, Tarlochan S. (University of Nairobi, 1977)

The two initial objectives of this research project were (1) to obtain a detailed chemical description of secretions from the accessory reproductive glands CARGs) of the male desert locust, . Schistocerca gregaria Forskal, ...
"Diurnal and Seasonal Activity of Unfed Adults of Rhipicephalus Appendiculatus, Neumann 1901 in Relation to some Factors in the Micro-Environment"

Punyua, Daniel Kaiseiyie (University of Nairobi, 1978)

A study was conducted on the activity response of unfed adults of Rhipicephalus appendiculatus to some o the environmental changes during the three main seasons here in East Africa. Ticks of two different ages were subjected ...
Diurnal and Seasonal activity of Unfed Adults of Rhipicephalus Appendiculatus, Neumann 1901 in Relation to some Factors in the Micro-Environment

Punyua, Daniel K. (University of Nairobi, 1978)

A study was conducted on the activity response of unfed adults of Rhipicephalus appendiculatus to some of the environmental changes during the three main seasons here in East Africa. Ticks of two different ages were ...
Polymorphism and the Role of Hormones in Caste Differentiation of a Higher Termite Species Macrotermes michaelseni (Isoptera, Macrotermitinae)

Okot-kotber, Billie Moses (University of Dijon, 1979)

Biometric studies coupled with physiological investigations have made it possible to propose a scheme of post-embryonic development and polymorphism in Macrotermes michaellseni. ...(continue from the attached PDF)
Polymorphism and the role of hormones in caste differentiation of a higher termite species macrotermes michaeseni isoptera, macrotermitinae

Okot-Kotber, Billie Moses (University of Dijon, 1979-12)

Termites are social insects of the order Isoptera. They are predaninant in the Tropics and dwell in dry or damp wood, underground in soil or in mounds or nest in trees. The basic food source for termites are cellulose ...
Swelling of Polymer-Oligomer Particles

Mfutakamba, Habiba Rajabu (University of Dar-es-Salam, 1980)

A quantitative study of the swelling capacity of polymer-oligomer particles, and the rate of transport of slightly water soluble compound 1, e.g. chlorobenzene, from bulk phase to the particles has been carried out. A much ...
An Economic Analysis of Damages and other Losses by Ticks and Tick Borne disease Particulary in Relation to East Coast Fever (ECF)

Mwaura, Mwega Francis (University of Nairobi, 1980)

Ticks and Tick-borne diseases are a major impediment to the developrrent of the livestock sector in Kenya. They cause significant production losses through mortality, impair productivity of surviving anirrals, and discourage ...
Mechanisms Of Sorghum Resistance To The Spotted Stalk borer , Chilo Partellus ( Swinhoe) Lepidoptera Pyralidae

Masina, Greenman Themba (Universi ty of Nairobi, Department of Zoology., 1982)

Stalkborers are some of the most important pests of cereal crops in the tropics and in particular the semi-arid areas. Chilo partellus, the spotted stalkborer, is one of the most notorious pests of sorghum in that it occurs ...
The Growth, Development and Survival of Spodoptera Exempta (Walk.) (Lepidoptera, Noctuidae) on some Selected Grass Species

Yarro, Jacob Ghadwe (University of Dar es Salaam, 1982)

Check on the attached pdf
The Role of Termites in Litter Decomposition and Soil Translocation with Special Reference to Odontotermes in Arid Lands of Northern Kenya

Bagine, Richard K.N. (University of Nairobi, 1982)

This research work on the role of termites in an arid ecosystem covered eleven months (August 1981 to .June 1982). It was conducted at the site of the UNESCO integrated project in Arid Lands (UNESCO - !PAL} . This area ...
Host resistance to tick infestations in two breeds of goats, using the tick rhipicephalus appendiculatus neumann (the ’brown ear" tick)

Charles, Bagwasi Maranga (University of Nairobi, 1983)

The objectives of this study were to observe and ocmpare the levels of any innate resistance and development of any acquired resistance to Fhipicephalus apoendiculatus ticks in two breeds of goats, viz. the Local East ...
Juvenile Hormone Regulation of Vitellogen Genes in the African Migratory Locust

Dhadialla, Tarlochan Singh (Queen's University, 1983)

In Locusta migratoria, vitellogenin (Vg) synthesis is normally induced by juvenile hormone (JH) only in adult females. Larval and adult female and male locusts were tested for inducibility of Vg synthesis by the synthetic ...
Studies on Factors Influencing the Establishment and Development of Filaria in Mosquitoes

Irungu, Lucy Wachuhi (1984)

Factors affecting the establishment and deveiliopment of Brugia and Wuchereria microfilariae in various strains of C. quinquefasciatus, C.p. molestus, An. stephensi and Ae . aaegypti SS were studied. The investigations ...
Attempts on the Sythesis of the Pheromone Component Lineatin

Kagaruki, Serry Rwehikiza Francis (University of Oslo, 1984)
Attempts on the Synthesis of the Pheromone Component Lineatin

Rwehikiza, Serry Francis (University of Oslo, 1984)

poorly achieved. Direct alkylation on the alkenal V with 8-methallylmagnesium chloride followed by oxidative cleavage of 2,5,5-trimethylocta-l,7-diene-4-ol (VIlI) and methylenation via a Wittig reaction gave an improved ...
Induction of immunity in sheep to rhipicephalus appendicutus (Newmann, 1901) antigens

Wishitemi, Lisamula Bob (Kenyatta University, 1985)

Immune resistance to infestation by an ixodid tick, Rhipicephalus appendiculatus, the vector of the African cattle disease, East Coast Fever was induced in sheep by immunisation with tick extracts. Six groups of four sheep ...
Studies on Resistance Acquired by Rabbits Experimentally Infested with Rhipicephalus Evertsi Evertsi (Neumann, 1897) (Acarina: Ixodidae)

Barnabas, Charles Njau (University of Dar es Salaam, 1985)

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