Browsing Theses and Dissertations by Title
Now showing items 83-102 of 127
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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 ... -
The Influence of topography and vegetation canopy on the deposition of atmospheric particulates Studied with 210Pb and 137Cs soil inventory measurements
(University of Edinburgh, 2003)Naturally occurring radioactive isotopes of 210Pb and 7Be in the atmosphere, plant material and soil have been used to investigate the transport and removal of atmospheric aerosols from the atmosphere by precipitation and ... -
Integrating GIS and remote sensing in estimation of soil loss using the SLEMSA and RUSLE models: A case study of Taung Watershed, Ramotswa Agricultural District
(Botswana University of Agriculture and Natural Resources, 2021-07)This study was conducted in the Taung watershed of the Ramotswa Agricultural District in the south eastern part of Botswana. The main objective of this study was to assess the soil erosion risk using Revised Universal Soil ... -
Interactions between woody plants, elephants and other browsers in the Chobe riverfront, Botswana
(Norwegian University of Science and Technology, 2005-11)This thesis examines the interaction between woody plants, elephants and other browsers in a semi-arid savanna in northern Botswana, southern Africa. Particularly I studied how woody plants respond to herbivory, how browsers ... -
Iowa teachers' perceptions regarding the effectiveness of agriculture teacher education programs in addressing teaching standards and criteria
(Iowa State University, 2007)The purpose of this study was to explore and describe perceptions of secondary school-level teachers of agriculture in Iowa regarding the effectiveness of agricultural education teacher preparation programs in addressing ... -
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 ... -
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 ... -
Morphological and physiological responses of bambara groundnut (vigna subterranea l.verde) to short periods of water deficit stress during different developmental stages.
(Botswana University of Agriculture & Natural Resources, 2010-09)The response pattern of morphological traits and physiological processes of bambara groundnut (Vigna Subterranean L. Verde) to short periods of water stress imposed at different growth and developmental stages and their ... -
Morphological characterization and evaluation of Botswana bottle gourd (Lagenaria siceraria Molina Stand1.) landraces
(Botswana University of Agriculture & Natural Resources, 2021-06)Bottle gourd (Lagenaria siceraria Molina Stand1.) landraces are usually grown in Botswana under subsistence farming. Morphological characterization of the landraces is important to identify promising landraces for breeding, ... -
Morula kernel cake as a dietary component in complete diets for Tswana sheep
(Botswana University of Agriculture & Natural Resources, 2022-06)Lack of locally produced high quality feed ingredients for livestock, especially to supply protein is an impediment to increased productivity in Botswana. Driven by the need to fill this gap, a series of experiments were ... -
Pastoralists, Free-Ranging Livestock and Wildlife Interactions: Adaptation to Land Use Change and Grazing Resources Variability in Kalahari North, Botswana
(The University of Leeds, 2019-04)Conservation of African wildlife is dependent on conservation areas (CAs) and adjacent pastoral areas. Even though the number of African CAs are increasing, the wildlife population in these CAs are in general decline because ... -
Pearl millet : influence of mineral biofortification and simple processing technologies on minerals and antinutrients
(University of Pretoria, 2016)Pearl millet is an important staple food in rural Africa. However, the mineral bioavailability of pearl millet is low due to its high content of antinutrients, particularly phytate. This research investigated the effects ... -
Performance of dairy goats in selected regions of Botswana and the effect of improved management practices on milk yield and composition
(Botswana University of Agriculture & Natural Resources, 2015-11)In Botswana milk production generally come from dairy cattle breeds, but there are some goat breeds that have the genetic potential for producing large quantities of milk. This dissertation was a record of two studies on ... -
Phenotypic and genetic characterization of different strains of indigenous Tswana chickens in Kweneng and southern districts of Botswana
(Botswana University of Agriculture & Natural Resources, 2023-08)The aim was to characterise indigenous Tswana chicken populations in Kweneng and Southern districts of Botswana. The qualitative traits involved in the study included tail colour, breast colour, back colour, neck colour, ... -
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. ... -
Phosphate sorption and its relation to soil properties
(Agricultural University of Norway, 1986-12-11)In order to study the phosphorus sorption characteristics of six soils from Botswana, 2g of soil were equilibrated at 20°C in 0.01M CaCl2 containing various amounts of dissolved phosphate (0-900 pg P/g soil for two days). ... -
Physiological responses and meat quality of Potchefstroom koekoek cockerels offered canola meal as an alternative to soybean meal
(North-West University, 2018-05)The current study was conducted to assess growth performance, protein utilisation efficiency, blood parameters, meat quality, bone breaking strength, density and mineral composition of Potchefstroom Koekoek (PK) cockerels ... -
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, ... -
The potential of different forms of mulch on soil moisture, soil temperature and yield of sorghum in Zwenshambe, Botswana
(Botswana University of Agriculture and Natural Resources, 2021-08)Due to climate change, rainfed arable conditions have become quite unpredictable in semi-arid conditions of Botswana. Several countries have been experimenting with different climate smart technologies with a view to find ... -
Potential of some botanical extracts, soap solutions and companion plants against cabbage aphid (Brevicoryne Brassicae L.) on rape (Brassica napus L.)
(Botswana University of Agriculture & Natural Resources, 2021-06)Rape (Brassica napus L.) is a popular leafy vegetable grown for home consumption and for sale in Botswana and other African countries. It significantly contributes to the livelihood of both smallholder and commercial ...