Theses and Dissertations: Recent submissions
Now showing items 101-120 of 132
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An assessment of socio-economic potential of conservation agriculture and prediction of its future performance using the DSSAT model for the Pandamatenga vertisols in northern Botswana
(Botswana University of Agriculture & Natural Resources, 2019-11)This study was based in the Chobe District in Pandamatenga village in the northern region of Botswana. The main aim of the study was to assess the socio - economic potential of Conservation Agriculture (CA) technologies ... -
Effects of nitrogen and phosphorus on growth, development, yield, and oil content of safflower (Carthamus tinctorius L.)
(Botswana University of Agriculture & Natural Resources, 2017-07)Safflower is a multipurpose crop grown for the orange-red dye that is obtained from its petals, medicinal properties, feed value and especially for its high quality oil (Dajue and Mondel. 1996; Dwivedi, 2005; Sirel and ... -
Growth performance of muscovy and pekin ducks and genetic diversity of muscovy duck population in Botswana
(Botswana University of Agriculture & Natural Resources, 2020-09)A research study was carried out to compare growth performance of Muscovy (Cairina moschata domestica) and Pekin ducks (Anas platyrhynchos) and to evaluate the genetic diversity of Muscovy duck population in Botswana. ... -
Effects of safflower (Carthamus tinctorius L.) genotypes on growth, development, yield and yield components, and oil content and yield
(Botswana University of Agriculture & Natural Resources, 2018-09)Safflower (CarthamustinctoriusL.) is a multipurpose oil seed crop that is drought, heat, cold and saline tolerant, but minor and neglected despite its many uses. However, recently there is renewed interest in safflower ... -
Bovine cysticercosis: prevalence, risk factors, its socio-economic effects on cattle farmers in Botswana and identification of immunogenic antigens
(Botswana University of Agriculture & Natural Resources, 2020-09)Botswana’s incidence of Taenia saginata cysticercosis following passive post-mortem inspection has increased consistently, with attendant public health and socioeconomic implications. Most published bovine cysticercosis ... -
Wheat (Triticum aestivum L.) yields and protein profiles under varying plant densities, nitrogen doses and planting time in Botswana
(Botswana University of Agriculture & Natural Resources, 2020-02)Field studies were conducted at the Botswana University of Agriculture and Natural Resources, Sebele, Gaborone, to determine the effects of planting densities, nitrogen application rate, and planting time, on two wheat ... -
Effects of nitrogen and phosphorus fertilizers on growth, yield, and yield components of sorghum (Sorghum bicolor (L) Moench)
(Botswana University of Agriculture & Natural Resources, 2013-06)Greenhouse and Held experiments were conducted during the 2009 and 2010 growing seasons at Botswana College of Agriculture to evaluate the effect of different levels of nitrogen (N) and phosphorus (P) ... -
Effects of storage temperature on postharvest quality of wild plum (Ximenia americana L.)
(Botswana University of Agriculture & Natural Resources, 2018-06)Wild plum (Ximenia americana L.) is a tropical crop widespread throughout the tropics of Africa, India and South East Asia to Australia, New Zealand, Pacific Islands, West Indies, Central and South America. Despite the ... -
The effect of nitrogen on the yield and quality of vegetable amaranth
(Botswana University of Agriculture & Natural Resources, 1999-02)The effect of nitrogen on the yield and quality of three species of vegetable amaranth, namely; Amannthus hypochondriacus, A.tricolar, and A.hyridus was studied under field conditions for three different planting times ... -
Effects of nitrogen and phosphorus nutrition on growth, yield, yield components and fruit quality of watermelon (Citrullus lanatus Thumb)
(Botswana University of Agriculture & Natural Resources, 2015-11)An experiment was conducted in the Botswana College of Agriculture, Notwane farm in Gaborone North to evaluate the effect of nitrogen and phosphorus on growth, yield, yield components and quality of watermelon (Citrullus ... -
Effects of plant population on growth, development and oil yield of safflower (Carthamus tinctorious L.)
(Botswana University of Agriculture & Natural Resources, 2012-09)Two field trials were done in the winter of 2010 and summer of 2010/2011 to evaluate the effects of plant density. on the growth, development and yield of safflower. The results showed that plant density and season of ... -
Utilization of crop residues and Agro – industrial by products by Tswana sheep fed varying energy sources and minerals
(Botswana University of Agriculture & Natural Resources, 2021-09)Two experiments were conducted at Botswana University of Agriculture and Natural Resources, Sebele. In Experiment 1, twenty-five Tswana sheep were used in 3 x 2 factorial arrangements in a Complete Randomized Design to ... -
Production characteristics, management practices and on-farm phenotypic characterisation of indigenous Twana sheep in four districts of southern Botswana
(Botswana University of Agriculture & Natural Resources, 2021-08)In the framework of collecting information that will aid in development of breeding and conservation strategies and policies intended for the conservation of indigenous Tswana sheep in the Southern part of Botswana, a ... -
Protein nutrition of livestock grazing high quality pasture
(Lincoln University, 2010)This thesis describes a series of four experiments designed to evaluate the role of the supply of protein in livestock grazing high quality pasture during mating and during pregnancy. The first two studies investigated the ... -
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 ... -
Comparison of genetic and immunological responses to tick infestation between three breeds of sheep in South Africa
(University of the Free State, 2016-01)The study investigated genetic parameters and immunological responses to tick infestation in three South African sheep breeds (Namaqua Afrikaner [NA], Dorper and SA Mutton Merino [SAMM]). The study aimed to estimate genetic ... -
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 ... -
Biology and Ecology of Glyphosate-Resistant Giant Ragweed
(Purdue University, 2013)Giant ragweed (Ambrosia trifida L.) is a competitive annual plant found in disturbed landscapes and is the most troublesome weed in Indiana and the US Corn Belt. It is one of the most common and problematic weeds in corn ... -
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 ... -
Genetic characterization of tswana and tuli cattle kept at Botswana University of Agriculture and Natural Resources using microsatellite markers
(Botswana University of Agriculture and Natural Resources, 2020-10)Twelve FAO-lSAG-rccommended microsatellite markers were used to analyse genetic variation in Tswana and Tuli cattle breeds. All loci were polymorphic and a total of 75 and 77 alleles were genotyped in the Tswana and Tuli ...
