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Now showing items 61-80 of 675
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Some potential sources for transmission of Campylobacterjejuni to broiler chickens
(Wiley, 2004-05-20)S.S. R AMA B U, N.S. B OXA L L, P. MA DIE A N D S. G. FE NWI CK. 2004. Aims: The aim of the study was to determine Campylobacter jejuni contamination and prevalence on fomites moving between broiler farms and the processing ... -
Some potential sources for transmission of Campylobacter jejuni to broiler chickens
(Wiley, 2004-05-20)Aims: The aim of the study was to determine Campylobacter jejuni contamination and prevalence on fomites moving between broiler farms and the processing plant in the period after cleaning and before departure to harvest ... -
The impact of transaction costs on the choice of cattle markets in Mahalapye district, Botswana
(University of Pretoria, 2004-07)The objective of this study is to identify the transaction costs factors and household characteristics that influence the farmers’ choice of cattle marketing channels in Mahalapye district, Botswana. The marketing channels ... -
Treated sewage effluent (water) potential to be used for horticultural production in Botswana.
(Elsevier, 2004-08)Botswana being semi-arid and arid country, the provision of drinking water and water for agricultural production is becoming increasingly scarce and expensive. Measures that can augment the available sources of water or ... -
Do indigenous browse trees influence chemical composition and in vitro dry matter digestibility of parasitic plants?
(Elservier, 2004-08-02)This study examined the influence of nine browse trees on the chemical composition and in vitro dry matter (DM) digestibility (IVDMD) of parasitic plants (Tapinanthus lugardii, Erianthenum ngamicum, Viscum rotundifolium ... -
Do indigenous browse trees influence chemical composition and in vitro dry matter digestibility of parasitic plants?
(Elservier, 2004-08-02)This study examined the influence of nine browse trees on the chemical composition and in vitro dry matter (DM) digestibility (IVDMD) of parasitic plants (Tapinanthus lugardii, Erianthenum ngamicum, Viscum rotundifolium ... -
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 ... -
Monepenepe (Cassia abbriviata): A Medicinal Plant in Botswana [2005]
(Asian Network for Scientific Information, 2005)Cassia abbrivata commonly known, as Monepenepe in Botswana is a widespread shrub or medium sized tree or shrub belonging to the Caesalpinaceae family. In Africa it grows from Somalia to South Africa. It is important medicine ... -
Effects of plant density on growth parameters and yield of sugar bean (Phaseolus vulgaris L.) in Swaziland
(Botswana University of Agriculture & Natural Resources, 2005)Field bean (Phaseolus vulgaris L.) consumed in Swaziland is mostly imported. Small- scale farmers can grow this crop in the country and obtain good yields if the correct planting density is identified. A field study ... -
Eye infections in farmed Ostriches(Struthio cuniclus) oil selected farms in Gaborone and Lobatsc districts, Botswana
(Botswana University of Agriculture & Natural Resources, 2005)A study to investigate an outbreak of keratoconjunctivitis among grower ostriches (Struthio camclus) was undertaken on two farms in Lobatsc and Gaborone districts, Botswana. Thirty ostriches (34.1%) showed signs of ... -
Decomposition dynamics of leaves of six indigenous fruit trees commonly found on croplands of southern Africa
(Botswana University of Agriculture & Natural Resources, 2005)Leaf litter decomposition plays a crucial role in the cycling of both nutrients and energy in the tropical croplands. A field experiment was conducted at Botswana College of Agriculture’s Research Farm in 2003 to compare ... -
Effect of control plot density, control plot arrangement, and assumption of random or fixed effects on nonreplicated experiments for germplasm screening using spatial models
(Crop Science Society of America, 2005)Early generation selection experiments typically involve several hundred to thousands of lines. Various systematic and statistical techniques have been developed to increase effectiveness and efficiencies in such experiments, ... -
Characterization of agriculture-related land degradation in eastern and western parts of Botswana
(University of Botswana, 2005)A study was carried out during 1998-2001 with the objective of, firstly, assessing the impact of cultivation on soil quality, and secondly, evaluating the effects of human and animal activities on soil erosion and range ... -
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 ... -
Post-flowering photoperiodic and temperature effects on phonological development and yield in field-grown bambara groundnut (Vigna subterranea) landraces in a sub-tropical environment.
(Botswana University of Agriculture & Natural Resources, 2005)The post-flowering phonological development of two local bambara groundnut (K/gna subterranea) landraces was studied at Luyengo, Swaziland using six sowing dates between mid-October 1999 and late January, 2000. The ... -
Production performance and temperature-humidity index of broilers reared in naturally ventilated houses in Botswana
(Botswana University of Agriculture & Natural Resources, 2005)Production performance of straight-run Cobb 500 broilers under commercial management practices was investigated and their temperature humidity index developed. Birds were raised in three non-insulated naturally ventilated ... -
Cryptosporidium infection in cattle in southern Botswana
(Botswana University of Agriculture & Natural Resources, 2005)A parasitological survey was conducted to determine the prevalence of Cryptosporidium infection in cattle in Gaborone, Lobatse, Mochudi and Molepolole veterinary districts. Faecal samples from 137 dairy and beef calves ... -
Estimation of Likely Impact of Climate Variability on Runoff Coefficients fromLimpopo Basin using Artificial Neural Nefwork (ANN)
(Disaster Prevention Research Institute KYoto University., 2005-01-12)Forecasting future response behaviour of a semi-arid catchment in terms of runoff coefficient being trivial, an attempt has been made io apply an Artificial Neural Network (ANN) model to-forecast the run off coefficients ... -
Natural resources assessment in the Okavango Delta, Botswana: Case studies of some key resources
(Wiley, 2005-02)This article makes an assessment of the following key natural resources in the Okavango Delta: arable land, basket-making resources, fish stocks, and river reeds. Non-data-intensive socio-economic indicators (as opposed ... -
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, ...