Browsing by Title
Now showing items 264-283 of 680
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The effects of vaccination and treatment on the spread of HIV/AIDS
(World Scientific Publishing, 2004)This study investigates the effects of vaccination and treatment on the spread of HIV/AIDS. The objectives are (i) to derive conditions for the success of vaccination and treatment programs and (ii) to derive threshold ... -
Effects of watering frequency and soil types on growth and yield of kgengwe (Citrullus lanatus var. Citroides)
(Botswana University of Agriculture & Natural Resources, 2019-04)There is now a growing realization by government and other role players in Botswana of the importance of indigenous plants as alternative food crops to enhance food security and biodiversity. Experimental research was ... -
Effects of watermelon pulp fortification on maize mageu physicochemical and sensory acceptability.
(Heliyon, 2021-05-25)Mageu is a non-alcoholic fermented gruel processed from cereal grains, mostly maize and is widely consumed in the Southern African region. The refined maize meal used for mageu processing is limited in dietary fiber, ... -
Effects of witchtweed (Striga species) control methods on growth and yield of maize (Zea mays L.) in Swaziland
(Botswana University of Agriculture & Natural Resources, 2008)Striga hermonthica and S. asiatica arc parasitic weeds that reduce yield in cereal crops. Information is scarce on the response of Striga to weed control methods in Swaziland. Therefore, a held experiment was conducted ... -
The Efficacy of Micronutrient-Fortified Sorghum Meal in Improving the Immune Status of HIV-Positive Adults.
(Karger Publishers, 2013-06-20)Background: Micronutrient deficiencies are common and compound the effects of human immunodeficiency virus (HIV) infection in Africa. Nutritional interventions, particularly vitamin A supplementation, may improve immune ... -
Egg quality characteristics of different varieties of domesticated helmeted guinea fowl (Numida meleagris)
(Academic Journals, 2013)A study was conducted to evaluate external and internal egg quality characteristics of the pearl, lavender, royal purple and white varieties of the helmeted guinea fowl kept intensively at Botswana College of Agriculture. ... -
Elephant impact on shoot distribution on trees and on rebrowsing by smaller browsers
(Elservier, 2006-10)In order to determine the effects of a megaherbivore, the African elephant (Loxodonta africana) on browse available for mesoherbivores, we assessed the vertical distribution of shoots (< 6 mm in diameter) on trees with ... -
Enhancing Germination of Seeds of Cassia abbreviata and Senegalia nigrescens Using Pre-Sowing Seed Treatments in Botswana
(Enviro Research Publishers, 2021-11-30)Cassia abbreviata and Senegalia nigrescens are indigenous trees found in North and Central regions of Botswana. However, inadequate knowledge of their silviculture and decline in population due to deforestation, expanding ... -
Enhancing quality of tertiary education through programme accreditation: a case of Botswana
(Elservier, 2010)This study presents narrated facts about the complex nature of accrediting tertiary education programs in Botswana. Content analysis procedures were employed to characterise the accreditation process experienced by local ... -
Enhancing the quality of performance assessment in Agriculture in Botswana schools
(University of Pretoria, 2011-03-31)The quality of education in Botswana is not yet up to standard as there has been emphasis on attainment of Universal Basic Education. Quality in education encompasses a number of factors such as the development of the ... -
Enteric methane emission factors of smallholder dairy farming systems across intensification gradients in the central highlands of Ethiopia.
(BioMed Central Ltd, 2023-11-29)Background: Following global pledges to reduce greenhouse gas (GHG) emissions by 30% by 2030 compared to the baseline level of 2020, improved quantification of GHG emissions from developing countries has become crucial. ... -
Environmental variability and the fishery dynamics of the Okavango delta, Botswana: the case of subsistence fishing
(Wiley, 2009-02-03)The hydrological regime of the Okavango River Basin is the main driver of ecological change in the delta. The delta supports a small-scale fishery which is a source of livelihood for communities within its fringes. The ... -
Enzymes indigenous to milk: Lactoperoxidase.
(Elsevier, 2021-09-27)Lactoperoxidase (LPO), the peroxidase isolated from milk, is widely distributed in nature. LPO is the second most abundant enzyme in milk and its primary role is to protect the mammary gland and the gut of infants against ... -
Epidemiological studies on bovine fasciolosis in Botswana
(Murdoch University, 2014)Fasciolosis, commonly known as liver fluke disease, is a disease of the liver of domestic livestock, principally ruminants, caused by pathogenic trematodes of the genus Fasciola, which comprises two species, F. hepatica ... -
Epidemiology of epizootic ulcerative syndrome (EUS) in fish in the main water bodies of the Kavango–Zambezi and Great Limpopo transfrontier conservation areas of Zimbabwe
(Wiley-Blackwell, 2022-12-12)A three-year study investigated the epidemiology of epizootic ulcerative syndrome (EUS) in fish from Kavango–Zambezi (KAZA) and Great Limpopo (GL) transfrontier conservation areas of Zimbabwe. A total of 38 sites comprising ... -
Essential mineral content of common fish species in Chanoga, Okavango Delta, Botswana
(Academic Journals, 2015-09)Developing countries remain overwhelmed by nutritional problems caused mainly by poverty, natural disasters and political instabilities. The aim of this study was to determine essential mineral content of some common fish ... -
Estimates of phenotypic and genetic parameters and responses to selection in growth traits in three beef cattle breeds raised under ranch conditions in Botswana
(Botswana University of Agriculture and Natural resources, 2016)The study estimated phenotypic and genetic parameters and responses to selection of growth traits in three beef cattle breeds raised under ranch conditions in Botswana. Weights at birth (BW), weights at weaning (7 months; ... -
Estimation of Likely Impact of Climate Variability on Runoff Coefficients fromLimpopo Basin using Artificial Neural Nefwork (ANN)
(Disaster Prevention Research Institute KYoto University., 2005-01-12)Forecasting future response behaviour of a semi-arid catchment in terms of runoff coefficient being trivial, an attempt has been made io apply an Artificial Neural Network (ANN) model to-forecast the run off coefficients ... -
The estimation of live weight based on linear traits in indigenous Tswana goats at various ages in Botswana.
(Springer Link, 2011-10-02)The objective of this study was to determine the usefulness of some linear body measurements in predicting live weight in indigenous Tswana goats at various ages. Data for this study were obtained from 2,783 goats sampled ... -
Ethnozoological Survey of the Indigenous Knowledge on the Use of Pangolins (Manis Sps) in Traditional Medicine in Lentsweletau Extended Area in Botswana.
(Researchgate, 2014-06-30)Animals have played an important role in human life from prehistory. Many animals are used in zootherapy worldwide. However, the zootherapeutic practices by some communities are not well documented and may be forgotten. ...