University of Nairobi Institutional Repository: Recent submissions
Now showing items 57201-57220 of 116514
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Regulation of plasma Na+ and K+ concentrations in five African species of Tilapia fishes
(1974-08)1. Five species of the genus Tilapia were collected from five localities in the vicinity of Nairobi, Kenya. Two species, T. alcalica and T. grahami, were obtained from concentrated “soda” lakes (Lakes Natron and Magadi ... -
Efficacy of Piperazine citrate, Levamisole hydrochloride and Albendazole in the Treatment of Chickens naturally infected with Gastrointestinal Helminths
(University of Nairobi, 2013-04-26) -
Gonadal and reproductive patterns in Tilapia leucosticta (Teleostei: Cichlidae) in an equatorial lake, Lake Naivasha (Kenya)
(University of Nairobi, 2009-08)The cichlid fish T. leucosticta (Trewavas) was studied by fortnightly seining an area of an equatorial lake (Lake Naivasha) in Kenya to study their reproductive and gonadal patterns. The study lasted 16 months during which ... -
The Effect of 3,6,bis-Dimethylaminoacridine on Cultured Bovine Lymphoid Cells Infected with Theileria Parva and in Cattle Experimentally Infected with East Coast Feuer
(University of Nairobi,, 1975)The cytocidal effect of 3,6,bis-dimethylaminoacridine (A. O.) on Theileria parva — infected bovine lymphoblastoid cells was investigated by growing the cells in media containing varying concentrations of the drug for 24 ... -
Structure and fine structure of the hypophyseal pars distalis in endigenous African species of the genus Tilapia
(University of Nairobi, 1974)The structure and fine structure of the pars distalis hypophyseos was examined in five species of Tilapia fishes (T. alcalica, T. grahami, T. leucosticta, T. zillii, T. nigra) which were collected from lakes of a wide range ... -
Research and agriculture Transformation
(University of Nairobi, 2013-09)Transforming Agriculture for Economic Growth in Eastern and Central Africa -
Compensatory Hypertrophy Of The Remaining Ovary And The Effects Of Methallibure In The Unilaterally Ovariectomized Tilapia Aurea
(University of Nairobi, 1976)In Tilapia aurea unilateral ovariectomy resulted in a compensatory hypertrophy of the remaining ovary. The compensatory hypertrophy is manifested by: (a) an increase in the number of dividing oogonia; and (b) hypertrophy ... -
Prevalence and associated factors of pulmonary hypertension in Kenyan children with adenoid or adenotonsillar hypertrophy
(University of Nairobi, 2014)Objectives Adenotonsillar hypertrophy is a common condition in childhood, whose serious complications of pulmonary hypertension and cor pulmonale are devastating but local prevalence is unknown. This study determined ... -
Enhancement of fruit quality in Capsicum annum through pollination by Hypotrigona gribodoi in Kakamega, Western Kenya
(University of Nairobi,, 2014)A study was carried out in Kakamega forest, in the western region of Kenya, to evaluate the effectiveness of the stingless bee Hypotrigona gribodoi (Magretti, 1884) on the pollination of green pepper. Three treatments were ... -
Effect of thyroxine on the ultrastructure of the hypophyseal proximal pars distalis in Tilapia zillii
(University of Nairobi, 1975)The effects of exogenous L-thyroxine on the fine structure of the proximal pars distalis cells were examined in Tilapia zillii. In thyroxine-treated animals the thyrotrophic cells appeared marginally smaller and less active ... -
Histological studies on the testes of pond specimens of Tilapia nigra (Gunther) (Pisces: Cichlidae) and their implications of the pituitary-testis relationship
(University of Nairobi, 1970)T. nigra pond specimens were studied histologically and histochemically to investigate the relative development of the spermatogenetic and the interstitial tissue elements. The earliest phases showed active spermatogenesis ... -
Pre-exposure prophylaxis for HIV-1 prevention does not diminish the pregnancy prevention effectiveness of hormonal contraception.
(University of Nairobi, 2014)BACKGROUND: For women at risk of HIV-1, effective contraception and effective HIV-1 prevention are global priorities. METHODOLOGY: In a clinical trial of pre-exposure prophylaxis (PrEP) for HIV-1 prevention in ... -
Endocrine regulation of reproduction in Tilapia
(University of Nairobi, 1972)Tilapia, the dithiocarbamoylhydrazine derivative Methallibure (I. C. I. 33828), added as a suspension in 6 daily doses of 1 mg/liter of aquarium water each week, effectively suppresses gonadotrophin production after 5 ... -
Growth features of Acacia tortilis and Acacia xanthophloea seedlings and their response to cyclic soil drought stress
(University of Nairobi,, 2001)Seedlings of Acacia tortilis (Forsk) Hyne and Acacia xanthophloea Benth. were raised under controlled glasshouse conditions. Control plants were watered daily while other treatments involved withholding water for 2, 4 and ... -
Reproductive Biology Of Lions (panthera Leo Massaica Neumann) In Nairobi National Park
(University of Nairobi, 1973-12)This study was conducted from June 1968 to July 1969 and from August 1970 to December 1972 with information available for the intervening period as well as for the first half of 1968, giving records for approximately 5 ... -
The haemoglobin content of autotransfused blood in acute ectopic pregnancy
(University of Nairobi,, 1972)Haemoglobin concentration and packed cell volume estimations were made on the intraperitoneal blood from 12 patients with acute ectopic pregnancy. The derived values for mean corpuscular haemoglobin concentration were ... -
The effect of temperature and gonadotropin on testicular steroidogenesis in Sarotherodon (tilapia) mossambicus in vitro
(University of Nairobi, 1983-04)Testes of sexually mature Sarotherodon mossambicus were incubated at 15, 22, 30, and 40° with (a) tritiated testosterone and (b) salmon pituitary extract. Formation of 11-keto- and 11β-hydroxytestosterone from the tritiated ... -
Reproduction of the North American blackbass, Micropterus salmoides (Lacépède), in an equatorial lake, Lake Naivasha, Kenya
(University of Nairobi, 2008-06). In contrast to its North American relatives, the Lake Naivasha blackbass, Micropterus saimoides (Lacepdde) has a prolonged spawning season of 8 months between June and January, peaking in August to November. This season ... -
Management of Thrips in French Bean by Integrating Biological and Synthetic Pesticides in Conventional Spray Regimes
(University of Nairobi,, 2014)Thrips are major pest of snap bean that cause losses as high as 60% but the use of synthetic pesticides is restricted due to strict market regulations on maximum residue levels (MRLs). This study aimed at reducing the use ... -
The art of prescribing
(University of Nairobi,, 2008)Most junior doctors are unaware of the sizeable contribution that prescribing aberrations make to hospital adverse events and medicolegal activities. The incidence of drug-related adverse events in patients in hospital ...
