Browsing Volume 7, Issue 1 (2011) by Subject "Botswana"
Now showing items 1-6 of 6
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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 ... -
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. ... -
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 ...