Browsing Faculty of Sciences by Title
Now showing items 6-25 of 60
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Cattle dung in aquatic habitats alters mosquito predatory biocontrol dynamics
(Elsevier, 2022-09)Anthropogenic land use changes influence ecosystem functioning and may alter trophic interactions. Intensification of free–range pastoral farming could promote degradation of aquatic habitats, with nutrient inputs adversely ... -
The challenges of Ilaje youth in combining education with artisanal fishing in Ondo State, Nigeria.
(Botswana University of Agriculture and Natural resources, 2013)The study examined how Ilajes in-school youth entrepreneurs combined their education with fishing activities in Ondo State. It examined their personal characteristics, period of involvement and educational activities. ... -
Changes in Health-related Parameters Associated with Sports Performance Enhancement Drugs.
(Thieme Gruppe, 2022-12-02)The purpose of this study was to evaluate changes in health-related parameters caused by the administration of anabolic-androgenic steroids and fat-burning drugs during a 6-month competition preparation period. The ... -
Condensed tannins from Botswanan forage plants are effective priming agents of γδ T cells in ruminants.
(Elsevier, 2012-03-05)The potential impact of extracts from forage plants on y8 T cell activity in ruminants was evaluated using an in vitro immunoassay. This study investigated whether plant extracts could prime y8 T cells via up-regulation ... -
Correlations between Anthropometric Measurements and Sports Discipline Aptitude.
(MDPI, 2022-06-22)Background: Sports specialization is required for the advancement of elite-level skills of a competitor. Therefore, this study attempted to assess the applicability of anthropometric measurements for a tailored selection ... -
Deposition rates of atmospheric particulates determined from 210Pb measurements in soils and air
(HARD Publishing, 2010)Deposition rates of atmospheric particles were determined using previously published 210Pb data in soils and air. The dry deposition velocities for moorland and woodland soils were 2.2±1.8 and 9±2 mm• s-1, respectively. ... -
Determinants of vegetation type patch dieback in a semi-arid area, Tutume Sub-District, Botswana
(Academic Journals, 2018-01-12)Patch dieback of Colophospermum mopane (Kirk ex Benth.) Kirk ex J. Léonard, which was attributed to drought, soil surface condition and soil chemistry has been reported in South Africa. In Botswana, dieback of C. mopane ... -
Determination of the aroma properties of Mustard seeds by SPME - GC-MS
(Greener Journal of Biological Sciences, 2021-10-10)The objective of this study was to investigate the volatile aroma constituents of mustard seeds grown in Ethiopia by using SPME-GC-MS. In the analysis several sulfur contained compounds were identified. The ... -
Drought and grazing influence on Northern Chihuahuan desert rangelands, New Mexico.
(Botswana University of Agriculture and Natural resources, 2013)A short term cattle grazing trial was started in June 1992 in the Chihuahuan Desert in Southern New Mexico to study the influence of drought and grazing on plant responses. Paddocks were grazed in June and September each ... -
Dynamical and optimal control analysis of a seasonal Trypanosoma brucei rhodesiense model.
(AIMS Press, 2020-02-27)The effects of seasonal variations on the epidemiology of Trypanosoma brucei rhodesiense disease is well documented. In particular, seasonal variations alter vector development rates and behaviour, thereby influencing the ... -
Dynamics for a non-autonomous fall armyworm-maize interaction model with a saturation functional response
(AIMS Press, 2021-11-09)In this study, we present a non-autonomous model with a Holling type II functional response, to study the complex dynamics for fall armyworm-maize biomass interacting in a periodic environment. Understanding how seasonal ... -
The effect of purified condensed tannins of forage plants from Botswana on the free-living stages of gastrointestinal nematode parasites of livestock.
(Elsevier, 2013-10-18)The effect of condensed tannins (CT) extracted from forage plants from Botswana on the free-living stages of a number of species of gastrointestinal nematode parasites derived from infected sheep were investigated using ... -
Effects of Broiler Breeders’ Age on Egg Quality Characteristics and Their Correlation Coefficients.
(Scienceline Publishers, 2021-09-25)The current study was designed to assess the effect of Ross breeder hens’ age on the egg qualities and their correlations. The external and internal qualities of eggs were compared, and their correlation coefficients as ... -
Effects of chemical preservatives and water quality on postharvest keeping quality of cut Lisianthus (Eustoma grandiflorum L)
(Botswana University of Agriculture and Natural resources, 2013)This study was carried out to investigate effects of various chemicals added to vase solutions and also effects of water quality on the post-harvest physiology of Lisianthus (Eustoma grandiflorum L.) cut stems. The vase ... -
The effects of vaccination and treatment on the spread of HIV/AIDS
(World Scientific Publishing, 2004)This study investigates the effects of vaccination and treatment on the spread of HIV/AIDS. The objectives are (i) to derive conditions for the success of vaccination and treatment programs and (ii) to derive threshold ... -
Enteric methane emission factors of smallholder dairy farming systems across intensification gradients in the central highlands of Ethiopia.
(BioMed Central Ltd, 2023-11-29)Background: Following global pledges to reduce greenhouse gas (GHG) emissions by 30% by 2030 compared to the baseline level of 2020, improved quantification of GHG emissions from developing countries has become crucial. ... -
The estimation of live weight based on linear traits in indigenous Tswana goats at various ages in Botswana.
(Springer Link, 2011-10-02)The objective of this study was to determine the usefulness of some linear body measurements in predicting live weight in indigenous Tswana goats at various ages. Data for this study were obtained from 2,783 goats sampled ... -
Ethnozoological Survey of the Indigenous Knowledge on the Use of Pangolins (Manis Sps) in Traditional Medicine in Lentsweletau Extended Area in Botswana.
(Researchgate, 2014-06-30)Animals have played an important role in human life from prehistory. Many animals are used in zootherapy worldwide. However, the zootherapeutic practices by some communities are not well documented and may be forgotten. ... -
Evaluation of carcass, organ and organoleptic properties of spent layers of different poultry types.
(Botswana University of Agriculture and Natural resources, 2013)This study was designed to assess carcass, organ and organoleptic properties of spent layers of different poultry species; comprising of geese, local chicken, commercial chicken and quails. Eight (8) birds of each species ... -
Evaluation of three breeding cycles for seedling weight of switchgrass, big bluestem, and indiangrass.
(Crop Science Society of America, 2014-07-01)A modified form of restricted, recurrent phenotypic selection was used to select for seedling shoot weight in switchgrass (Panicum virgatum L.), big bluestem (Andropogon gerardii Vitman), and indiangrass [Sorghastrum nutans ...