Browsing by Title
Now showing items 468-487 of 721
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A Mathematical Model of Contact Tracing during the 2014–2016 West African Ebola Outbreak.
(MDPI Open Access Journals, 2021-03-12)The 2014–2016 West African outbreak of Ebola Virus Disease (EVD) was the largest and most deadly to date. Contact tracing, following up those who may have been infected through contact with an infected individual to prevent ... -
Mathematical modeling of the dynamics of health risks associated with alcoholism in Tanzania: a literature review.
(SCIK Publishing Corporation, 2020-07-13)In this paper, a number of alcohol related studies have been reviewed in light of the strength and challenges of the models developed for their applicability in Tanzanian drinking context. The aim of this paper is to provide ... -
Measurement of competitiveness in smallholder livestock systems and emerging policy advocacy: An application to Botswana
(Elservier, 2014-10-22)Farm level cross sectional data of 556 randomly selected livestock producers were used to investigate the competitiveness of smallholder beef farmers in Botswana. The results show the presence of inefficiency, with about ... -
Measurement of competitiveness in smallholder livestock systems and emerging policy advocacy: An application to Botswana.
(Elsevier, 2014-12)Farm level cross sectional data of 556 randomly selected livestock producers were used to investigate the competitiveness of smallholder beef farmers in Botswana. The results show the presence of inefficiency, with about ... -
Measuring transaction costs in marketing cattle in Southern Botswana: A case study
(Botswana University of Agriculture and Natural resources, 2013)This study attempted to identify factors responsible for transaction costs that private and communal livestock farmers in the southern region of Botswana face. Sample survey data were used to estimate the parameters of a ... -
Mechanical expression of oil from grated and preheated coconut meat
(Botswana University of Agriculture & Natural Resources, 2008)Coconut oil was extracted from grated coconut using a hydraulic pressing method after the coconut gratings were preheated at heating medium air temperature in the range of 30-900C and heating durations ranging from zero ... -
A metafronteir analysis of determinants of technical efficiency in beef farm types: an application to Botswana.
(AgEcon Search, 2015)The study used a stochastic metafrontier model followed by a Tobit regression model to estimate technical efficiency and meta-technology ratios and assess factors influencing efficiency of a suite of beef farm types in ... -
A metafrontier analysis of determinants of technical efficiency in beef farm types: an application to Botswana.
(AgEcon Search, 2015-08-14)The study used a stochastic metafrontier model followed by a Tobit regression model to estimate technical efficiency and meta-technology ratios and assess factors influencing efficiency of a suite of beef farm types in ... -
Micro-anatomical changes occurring in the mucosal epithelium of gastrointestinal tract components of ostriches fed ration including or excluding grit in botswana
(Botswana University of Agriculture & Natural Resources, 2011)The aim of this study was to compare the micro-anatomical changes occurring in the luminal epithelium of some gastrointestinal tract (GIT) components of ostriches with and without access to grit in Botswana. Fourteen ostrich ... -
Microsatellite marker analysis of Tswana cattle kept under in situ conservation at Botswana University of Agriculture and Natural Resources.
(Fundacion CIPAV, 2021)The study was carried out to assess genetic diversity of Tswana cattle conserved at Botswana University of Agriculture and Natural Resources (BUAN) farm. Twelve microsatellite markers recommended by the International Society ... -
Milk production and caprine mastitis occurrance in the production stage of the Gaborone region goat milk value chain
(Botswana University of Agriculture & Natural Resources, 2015-06)The first study was initiated with the objectives of analyzing the production stage of the goat milk value chain and prevalence of caprine mastitis and its impact on the value chain. The study was conducted in the ... -
Milk production of Tswana goats fed diets containing different levels of energy
(South African Society of Animal Sciences, 2000)The aim of this experiment was to characterize the milk yield of the Tswana goat of Botswana. Twenty-one Tswana goat does were allocated to one of three diets formulated to provide energy for maintenance and a milk yield ... -
Mineral intake and utilisation by guinea fowl (Numida meleagris) fed different local protein and energy sources
(Botswana University of Agriculture & Natural Resources, 2013-08)Two studies were carried out to investigate the effects of feeding different locally available protein and energy sources on mineral utilisation by guinea fowl were investigated. In the first study, ninety-six-day old keets ... -
Missing covariates in multiple linear regression when the data is missing at random
(Botswana University of Agriculture & Natural Resources, 2008)The occurrence of missing values is frequent in data collected for different uses such as in surveys, censuses, balanced experiments. On the other end most statistical analysis methods have been developed for complete ... -
Modeling salmonellosis transmission dynamics in humans and dairy cattle with optimal controls.
(Elsevier Inc., 2025-02)In this paper, we develop a mathematical model to examine the transmission dynamics and control analysis of salmonellosis in humans and dairy cattle. The model considers three time-dependent controls (improving hygiene, ... -
Modeling the dynamics of tuberculosis transmission in children and adults
(Science Publications, 2012)Abstract: Problem statement: The fight Against Tuberculosis (TB) has mainly focused on the adult population because children were perceived to pose a very low risk in TB transmission. This assumption ignores the potential ... -
Modeling the Effect of HIV/AIDS Stigma on HIV Infection Dynamics in Kenya.
(Springer Link, 2021-04-05)Stigma toward people living with HIV/AIDS (PLWHA) has impeded the response to the disease across the world. Widespread stigma leads to poor adherence of pre- ventative measures while also causing PLWHA to avoid testing and ... -
Modelling climate change impacts on the spatial distribution of anthrax in Zimbabwe.
(BioMed Central Ltd, 2024-02-28)In Zimbabwe, anthrax is endemic with outbreaks being reported almost annually in livestock, wildlife, and humans over the past 40 years. Accurate modelling of its spatial distribution is key in formulating effective control ... -
Modelling the Control of the Impact of Fall Armyworm (Spodoptera frugiperda) Infestations on Maize Production.
(Hindawi, 2021-03-18)In this paper, we propose and analyse a stage-structured mathematical model for modelling the control of the impact of Fall Armyworm infestations on maize production. Preliminary analysis of the model in the vegetative and ... -
Modification of graphene-based nanomaterials with gamma irradiation as an eco-friendly approach for diverse applications: A review
(Elsevier B.V., 2024-05)Graphene-based nanomaterials (GBNMs) are versatile due to their large surface area, great mechanical, chemical strength, and excellent electrical properties. The versatility of graphene has increased its applicability ...