Theses and Dissertations: Recent submissions
Now showing items 41-60 of 132
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Phenotypic and genetic characterization of indigenous Tswana pigs and their reproductive performance under an intensive management system
(Botswana University of Agriculture & Natural Resources, 2018-03)The study was carried out to phenotypically characterize indigenous Tswana pigs under intensive management system and to genetically characterize Indigenous Tswana pig Population using a panel of 12 microsatellite markers. ... -
Plants Poisonous to Livestock in Botswana
(South Dakota State University, 1982)Livestock plant poisoning is very common in Botswana. Two plants, Dichapetalum cymosum and Pavetta harborii, are especially notorious for causing large-scale mortality in some areas of the country. In 1975, for instance, ... -
Influence of stocking density on bone development and carcass characteristics of family chickens reared up to 18 weeks of age under intensive management system
(Botswana University of Agriculture & Natural Resources, 2014-06)The influence of stocking density on bone development and carcass characteristics of family chickens was investigated. A total of 232 unsexed day-old family chicks were used in a completely randomized design. Birds ... -
Assessment of genetic diversity of mungbean genotypes in Botswana using agro-morphological traits and molecular markers.
(Botswana University of Agriculture & Natural Resources, 2022-02)Mungbean (Vigna radiata L, Wilczek), is one of the leguminous crops that plays an important role in improving national food security and sustaining livelihoods of small-scale farmers in the developing world. Despite its ... -
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 ... -
Chemical thinning of morula fruit (Sclerocarya birrea subspecies caffra Hochst) using benzyladenine
(Botswana University of Agriculture & Natural Resources, 2009-08)A field experiment was conducted at Gabane Veld Product Research and Development (VPR&D) morula orchard from August 2008 to May 2009. to evaluate the effects of benzyladenine (BA) on fruit set and ... -
Evaluation of the nutritional potential of safflower (Carthamus tinctoriiis L.) leaves, seed and cake after oil extraction to be used as animal feed
(Botswana University of Agriculture & Natural Resources, 2017-09)Safflower is an annual oil seed crop adapted to arid and saline regions of the world, is a potentially novel food and medicine source, which has not been fully explored in the last century. Safflower’s ability to forage ... -
Herbaceous plant and soil nutrient patterns along grazing gradients of the hard veld and sand veld areas of Botswana
(University of Botswana, 2005-07)Vegetation changes associated with grazing by domestic livestock have been studied throughout the major grazing savannas of the world. Changes have been documented to differ from area to area depending on stock composition, ... -
The training of Agricultural Demonstrators at the Botswana Agricultural College: A critical analysis with emphasis on the curriculum content
(Reading University, 1991-08)The majority of people in Botswana depend on agriculture for their livelihood. Through extension, the development programmes providing farmers with inputs and information on the latest farming techniques to improve ... -
Effects of irrigation regime on the growth of three warm season turfgrasses in southern, Botswana
(Botswana University of Agriculture & Natural Resources, 2022-01)Botswana is known for its unreliable rainfall, extended dry spells and heat. The combination of these factors puts great demand on water conservation strategies in turfgrass management. These strategies dictate that ... -
Transmission of campylobacter Jejuni in broiler chickens
(Massey University, Palmerston North, 2002)Investigations were carried out aimed at identifying potential sources of transmission of Campylobacter jejuni to broiler chickens, determining whether boots can mechanically transmit C. jejuni to susceptible chickens, ... -
Effects of nutritionally-mediated increases in the plasma ammonia concentrations of donor ewes on the in vivo and subsequent in vitro development and metabolism of their embryos
(University of Aberdeen, 1994)A review of the literature indicated that high levels of protein in ruminant diets can lower fertility. Ammonia from proteins that are rapidly degraded by the rumen microbes has been suggested as the factor that may affect ... -
Effect of soil water deficit on water use efficiency of cowpea (Vigna unguiculata L. Walp)
(Botswana University of Agriculture & Natural Resources, 2016-09)There is a global concern over the capacity to feed a rapidly growing world population against a background of climate change which challenges productivity of major crops such as cowpea and their ability to ensure food ... -
Identification and classification of finger millet (Elcusine coracana ) accessions using morphological traits and DNA finger printing
(Khon Kaen University, 2012)Information on genetic diversity of germplasms is very important for every breeding program, thus evaluation and characterization of germplasms is the first and most important step for any breeding program. Different tools ... -
Wastewater treatment using vegetated submerged bed constructed wetlands for nitrogen removal
(Washington State University, 2006-12)Vegetated submerged bed (VSB) constructed wetlands are engineered, low operation and maintenance cost wastewater and stormwater treatment technologies primarily designed for small facilities. The objectives of this ... -
Effects of irrigation water type and nitrogen on growth, yield and nutrient partitioning of tomato. (Lycopersicon lycopersicum (L.) Karstern
(Botswana University of Agriculture & Natural Resources, 2014-09)A field experiment was conducted at the Botswana College of Agriculture (BCA) to evaluate the effects of irrigation water type and nitrogen on growth, yield and nutrient partitioning of tomato (Lycopersicon lycopersicum ... -
An analysis of pre-service teacher preparation and instructional supervisory practices in Agricultural Education
(Iowa State University, 2006)his dissertation contained three articles that explored teacher preparation in Agricultural Education. The first article was a descriptive-correlational study; it described the relationship between pre-service teachers' ... -
The image of agriculture education in Botswana
(Murdoch University, 2009)This study examines agricultural education in Botswana among students and teachers. Since independence in 1966 to the present time, agricultural production has declined from about 40 percent to about 3 percent. Harsh ... -
Trends in land cover change of the greater Gaborone area: Implications for agricultural production loss
(Botswana University of Agriculture & Natural Resources, 2013-06)Peri urban areas are contiguous to urban areas, they consist of a large population, and these are regions where farming practice is in conflict with other economic activities. These activities drive the changes in land ... -
Growth performance and carcass characteristics of guinea fowl (ntunida mcleagris) fed diets containing three local grown cereals as energy sources raised under intensive system
(Botswana University of Agriculture & Natural Resources, 2014-07)This study investigated growth performance and carcass characteristics of guinea fowl fed diets containing three local grown cereals as energy sources in comparison to commercial broiler diets (control). Birds were ...