Browsing Theses and Dissertations by Title
Now showing items 21284-21303 of 45815
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Genetic Diversity of Local and Introduced Cassava Germplasm in Burundi Using Dartseq Molecular Analyses
(University of Nairobi, 2022)In Burundi most small-scale farmers still grow traditional cassava landraces that are adapted to local conditions and have been selected for consumer preferred attributes. They tend to be susceptible, in varying degrees, ... -
The genetic diversity of the CbpA gene in Streptococcus pneumoniae
(University of Nairobi, 2015)Streptococcus pneumoniae (pneumococcus) is a common human pathogen responsible for morbidity and mortality worldwide. It causes mild to life-threatening, inflammatory diseases such as otitis media, pneumonia, sepsis and ... -
Genetic evaluation of Kenyan Boran herds and Kenya Boran embryo export in Kenya
(University of NairobiDepartment of animal production, 2010)The Kenyan Boran cattle has remained a breed of interest for beef production by many countries because of its superiority in terms of growth, reproduction, carcass traits, maternal traits and cow productivity indices in ... -
Genetic evaluation of the dairy cattle herd at the University of Nairobi veterinary farm
(University of NairobiDepartment of animal production, 2005)A total of 963 performance records were collected from 250 daughters of 71 sires, covering a period of 15 years (1989-2003), were used to genetically evaluate the performance of a dairy herd at the UoN veterinary farm ... -
Genetic flux in a global collection of invasive streptococcus pneumoniae genomes.
(University of Nairobi, 2021)Streptococcus pneumoniae, also known as the pneumococcus, is a major cause of life-threatening bloodstream infections, and may cross the blood-brain barrier and cause meningitis. Invasive pneumococcal disease (IPD) affects ... -
Genetic improvement for grain yield under drought stress, composition and gene action on elite sorghum Genotypes of Kenya
(University of Nairobi, 2020)World food security is greatly challenged by climate change effect. Sub Saharan Africa is adversely affected by drought with considerable yield losses. The solution to food insecurity in these areas depends on the breeding ... -
Genetic Polymorphism in the Ccr5-delta32 Allele and the Role of Mobile Technology in Evaluating Hiv Drug Resistance
(University of Nairobi, 2023)More than 37 million individuals are infected with the human immunodeficiency virus (HIV), and numerous people die from HIV-related illnesses annually. Although HIV prevalence and patterns vary by nation, the occurrences ... -
Genetic Polymorphism Of beta-lactoglobulin In Kenyan Small East African Goat (Capra Hircus) Breed Using PCR_RFLP And Sequencing
(University of Nairobi, 2015)Polymorphism in the beta-lactoglobulin gene has been successfully studied in many goat populations of the world. However, this has not been clarified yet in the local Kenyan goat (Capra hircus) breeds. The objectives of ... -
Genetic Polymorphisms of N-acetyl Transferase 2 and the Risk of Hepatotoxicity in Patients on Isoniazid Preventive Therapy at Kenyatta National Hospital
(University of Nairobi, 2022)BACKGROUND Isoniazid preventive therapy (IPT) is an important intervention to prevent activation of latent tuberculosis (TB) infection. Genetic variations associated with N-acetyl transferase (NAT2) are closely associated ... -
Genetic resistance of scottish blackface sheep to gastric nematodes association with the eosinophil
(University of NairobiFaculty of Veterinary Medicine, 1994)The gastric nematodes, Haemonchus contortus and Ostertagia (TeladrosagiaJ circumcincta, are the most pathogenic and economically important parasites of sheep in tropical and temperate areas, respectively. There are no ... -
Genetic Structure Analysis Of Wild Rice Populations (oryza Longistaminata) From Kwale District Of Kenya Using Microsatellite Markers
(University Of Nairobicollege of biological and physical science, 2011)The most agriculturally important wild rice species found in Kenya is Oryza longistaminata, which can act as a source of useful traits for improvement of cultivated rice. Knowledge of the amount of genetic diversity in ... -
Genetic studies of earliness, yield and fiber length upland cotton ( gossypium hirsutum L.)
(Plant Science & Crop Protection, University of Nairobi, 1979)The Inheritance of yield, fibre length and airlines in Upland cotton (Gossypium hirsutum L.) w s studied using Pi. P2r F1' F2, B1' 82 populations in five Inter varietal crosses. The commercial variety., UKAS9/240. (Pi) ... -
Genetic studies of five white pine species and their interspecific hybrids by isozymes
(Faculty of Forestry, University Of Toronto, 1991)The genetic structure, linkage relationships and genetic variation of Pinus strobus, P. monticola, P. griffithii, P. peuce and~. koraiensis were investigated by isozyme analysis, using starch gel electrophoresis, based ... -
A genetic study of the Kenya Sahiwal breed
(Department of Animal Science, 1978)A study of the production traits of the Kenya Sahiwal cattle was conducted with a view to obtaining reliable parameters for planning breeding programmes in this breed. Altogether, 3993 normal lactation records of 1183 ... -
Genetic transformation of cassava (manihot esculenta crantz) for abiotic stress tolerance
(Department of Biochemistry, University of Nairobi, 2013)Cassava (Manihot esculenta Crantz) is a major source of food for over 800 million people worldwide. Although cassava is relatively easy to grow, even in poor soils and under erratic rainfall conditions, its roots have a ... -
Genetic variability and heritability of chickpea (cicer arietinum L.) genotypes in normal and elevated temperatures
(University of Nairobi, Kenya, 2012)There has been rising interest in growing chickpea among other legumes for food due to its endurance to harsh weather conditions. However, rising temperatures due to climate change may tend to affect the growing regions ... -
Genetic variability and responses to selection for the spotted stem borer, chilo partellus (swinhoe) resistance in a maize (zea mays L.) population
(University of NairobiDepartment of Crop Science, 1996)The maj or obj ecti ves of this study were to determine genetic variability for parameters of resistance to Partellus and other desired agronomic traits, construct and test appropriate selection procedures, and ... -
Genetic variants associated with trypanotolerance trait in cattle.
(University of Nairobi, 2021)Animal trypanosomiasis (Nagana), a protozoan disease, is the source of huge productivity losses to small scale farmers in sub-Saharan Africa. Nagana affects wild animals, sheep, goats, camels and cattle reducing their ... -
Genetic Variants Of Influenza A (H1N1) Pdm09 Virus Circulating In Kenya, 2010 To 2011
(University of NairobiSchool of Medicine, 2013)We describe virus variations from patients with influenza-like illness before and after the appearance of influenza A(H1N1)pdm09 in Kenya during January 2008-July 2011. A total of 11,592 nasopharyngeal swabs were collected ... -
Genetic variation and evolutionary relationships among some zaprionus species of Kenya
(1979)Electrophoretically demonstrable variation was analyzed in ten enzymes encoded by fifteen genetic loci in samples from nine populations of five Zaprionus species from Kenya • frequencies were determined from ...
