Browsing Botswana Journal of Agriculture and Applied Sciences by Subject "Botswana"
Now showing items 1-14 of 14
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Assessment of groundnut (Arachis hypogaea L.) genotypes for drought tolerance in Botswana
(Botswana University of Agriculture & Natural Resources, 2006)Groundnut (Arachis hypogaea L.) production in Botswana is adversely affected by erratic and unpredictable rainfall resulting in various periods of drought. As part of a programme aimed at developing drought-tolerant ... -
Effect of fire burning interval on species composition, herbage yield and bush control in the savanna of eastern Botswana
(Botswana University of Agriculture & Natural Resources, 2011)The purposes of this study were to examine the effects of various fire burning intervals on the dynamics of woodland structure and the resultant herb layer in the savanna vegetation of eastern Botswana. Plots of 1.2 ... -
Effect of phloem sap deposition on properties of sapwood in Pterocarpus angolensis (Mukwa) following bark stripping by elephants in Chobe forests reserves in northern Botswana
(Botswana University of Agriculture & Natural Resources, 2011)An investigation was carried out to assess properties of sapwood in Pterocarpus angolensis following debarking by elephants in Botswana. The objective of this study was to assess the effect of phloem sap deposition on ... -
Effect of roof insulation materials on broiler housing heat exchange during summer and winter seasons in Southeastern Botswana
(Botswana University of Agriculture & Natural Resources, 2011)A study was conducted to investigate the effects of three different roof insulation treatments, namely, Thatch grass (TH), Envirotuff (EN) and Alucushion (AL) on conductive heat flux exchange (HFE) when compared to that ... -
Effects of original source of dairy cows, season and age on milk production in Botswana
(Botswana University of Agriculture & Natural Resources, 2011)The objective of the study was to determine the effects of animal and environmental factors on milk yield of Holstein dairy cows kept under intensive system in Botswana. A total of 768 monthly records of 27 Holstein ... -
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; ... -
Evaluation of relative resistance of four cowpea (Vigna unguiculata (L.) Walp) varieties to the black cowpea aphid (Aphis Craccivora) in South-eastern Botswana
(Botswana University of Agriculture & Natural Resources, 2011)Cowpea (Vigna unguiculala (L.) Walp) is an important food legume in many tropical countries, but its production is seriously constrained by insect pests. Aphis craccivora is one of the major pests of cowpea worldwide. ... -
The geographical prevalence and potential epidemiology of heartwater in Botswana: implications for planning control under climate change #
(Botswana University of Agriculture and Natural resources, 2012)Heartwater caused by Ehrlichia ruminantium is a widespread animal health problem in Botswana. Although long known to be endemic, its current distribution and possible future occurrence in new areas within the country ... -
The heavy metal content of Gaborone secondary sewage effluent in Botswana
(Botswana University of Agriculture & Natural Resources, 2005)The objective of this study was to determine the heavy metal content of the Gaborone secondary effluent in Botswana before its discharged to the Notwane river. Secondary effluent water was sampled every month for one ... -
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 ... -
A survey of donkey farmers in Bobonong village of Central district in Botswana
(Botswana University of Agriculture & Natural Resources, 2008)The objectives of this survey were to characterise farmers keeping donkeys and document the numbers, management, use and marketing of donkeys in Bobonong village of Central district in Botswana. The data was collected ... -
A survey of ethno-veterinary practices adopted in the treatment of diseases or indigenous chickens in Kgatieng district, Botswana
(Botswana University of Agriculture & Natural Resources, 2008)A survey questionnaire aimed at collecting knowledge on ethno-veterinary practices used in the treatment of diseases of indigenous chickens in order to lay a foundation for further scientific study and validation was ... -
A survey or indigenous tswana chicken fanners in Kgatleng agricultural district in Botswana
(Botswana University of Agriculture & Natural Resources, 2005)The objectives of this study were to determine the production and marketing parameters of indigenous Tswana chickens in Kgatleng Agricultural District in Botswana. Data was collected through a structured questionnaire from ... -
Third stage lanae of Contracaccuin species in catfish (Clariasgariepinus) from Gaborone dam, Botswana
(Botswana University of Agriculture & Natural Resources, 2008)A study was conducted with the aim of establishing the type of internal parasites in catfish (Claris gariepinus) as well as the infection intensity. Ten catfish {Clarius gariepinus) specimens collected from the Gaborone ...