Browsing Biotechnology by Issue Date

Now showing items 1-20 of 96

An Ecological Study of the Lowland Vegetation of Key Afer-Shala Luqa and Southwest of Lake Chamo, Southern Ethiopia

Soromessa, Teshome (Addis Ababa University, 1997-11)

Studies in the vegetation of Key Afer-Shala Luqa ailG SouthWest of take Chaino Southern Ethiopia were conducted from Nov. 21, 1996 to February 27, 1997. The data on aboveground herbaceous phytomass was collected using ...
Roduction of Specific Antisera Against Selected Mammals and Identification of Blood Meals of Phiembotamine Sandjlies Transmitting Visceral Leishmaniasis (VL) in Ethiopia

Mamo, Hassen (Addis Ababa, Ethiopia, 1999)

In an auempt to know the feeding preferences of phlebotomine sandflies that transmit visceral leishmaniasis (VL) in Eth iopia, Phlebotomus mani"i and P. orielllaiis. and thus to poilll to the possible reservoir host(s) ...
Biological and Ecological Studies on Acacia Drepanolobium Harms Ex Sjöstedt in Borana Zone of Oromiya Regional State, Ethiopia

Maryo, Melesse (Addis Ababa University, 2003-06)

The biological and ecological studies of A. drepanolobium: the floristic composition in A. drepanolobium wooded grassland, soil properties, seed production, seed dispersal, soil seed bank, percent seed germination at ...
Taxonomic and Demographic Studies on Three Species Complexes Within the Genus Alole L. (Aloaceae)in Ethiopia

Dessalegn Fikre (Addis Ababa University, 2006-06)

Taxonomic and demographic studies were conducted on three species complexes within the genus Aloe L. (Aloaceae) in Ethiopia. The studies aimed to contribute new additional knowledge necessary to delineate the Aloe species ...
Assessment of Diversity, Morphological Variation and Description of Grasspea (Lathyrus Sativus) and Other Related Species

Tsegaye, Martha (Addis Ababa University, 2007-03)

Lathyrus sativus (grasspea) has been widely cultivated in South Asia and Ethiopia for over 2500 years and is used as a food and feed. It is rich in protein content, around 30 g/100 g edible seeds. Agronomically, the ...
Evaluation of Ground Water Resources Potential of the Teji River Cathment South West Shoa Zone, Oromia Region

Eshetu, Andualem (Addis Ababa University, 2008-01)

The groundwater potential assessment of Teji river catchment is important to the currently increasing demand of water resources for different developmental activities and its quantification is vital for the efficient and ...
Effects of Feed Quantity on Growth Performance and Water Quality in Cage Culture System for Production of Nile Tilapia (Oreochromis Niloticus, L., 1758) in Lake Babogaya, Ethiopia

Hailu, Solomon (Addis Ababa University, 2008-07)

This study was conducted in Lake Babogaya, one of Bishoftu’s crater lakes in Bishoftu town, to determine the appropriate feeding level for tilapia, Oreochromis niloticus and the impacts of supplementary feed on water ...
Dye Biodegradation Using Alkalophillic Consortia in Anaerobic-Aerobic Bioprocess

Gessesse, Belay (Addis Ababa University, 2009-07)

The decolorization and Chemical Oxygen Demand (COD) removal efficiency of consortia of alkalophilic microorganisms was evaluated in a contineous anaerobic/aerobic reactor system. The biodegradation products of RR 184 in ...
Phenotypic and Symbiotic Characterization of Grass Pea (Lathyrus Sativus) Rhizobial Isolates from Some Major Growing Areas Of South Wollo and West Shoa , Ethiopia

Adal Musa (Addis Ababa University, 2009-07)

Grass pea (Lathyrus sativus) is the most widely distributed and the third most important pulse crop in Ethiopia. It grows in a wide range of altitudes and survives in scarce moist conditions and fixes nitrogen with ...
Alkaline Protease Production by an Alkaliphilic Bacterial Isolate Under Solid State Fermentation

Haile, Gizachew (Addis Ababa University, 2009-08)

A total of 240 alkaliphilic microorganisms isolated from samples collected from alkaline soda lakes of Ethiopia were screened for the production of alkaline proteases. Of these, 30% were protease positive indicating the ...
Diversity and Efficiency of Cyanide Degrading Alkaliphilic Bacteria from Ethiopian Soda Lakes

Mekuaninte, Birhanu (Addis Ababa University, 2010-06)

The aim of this study was to isolate and characterize cyanide degrading alkaliphilic bacteria from Ethiopian Soda Lakes. Seventy two isolates capable of growing on a medium provided with cyanide as a sole nitrogen source ...
Studies on Anopheles Mosquitoes Host Preference and Malaria Transmission Intensity Using Immunological Diagnostic Methods in Gilgel-Gibe Dam Area, Southwestern Ethiopia

Kelel, Musin (Addis Ababa University, 2010-06)

The Host feeding pattern and sporozoite rate of Anopheline mosquitoes were determined for mosquitoes collected from September to November 2010 in Gilgel-Gibe hydroelectric dam area, southwestern Ethiopia. Mosquitoes were ...
Molecular Characterization of the Bovine CSN3 and LGB Milk Protein Genes Using Sequencing and PCR-RFLP Markers in Ethiopian Indigenous Cattle Populations

Getachew, Robel (Addis Ababa University, 2010-07)

In the last few decades, genetic polymorphism of bovine milk protein genes such as caseins and whey proteins has achieved considerable research interest mainly due to their significant associations with fat and protein ...
Diversity of Culturable Alkaliphilic Denitrifying Bacteria in Four Soda Lakes of Ethiopia

Tilahun, Lulit (Addis Ababa University, 2010-12)

Denitrifying bacteria (95 in number) were isolated from the four Soda Lakes of Ethiopia namely, Lake Abijata, Lake Arenguade, Lake Chitu and Lake Shalla. Similar species of denitrifying bacteria were identified from the ...
Tannery Wastewater Treatment using Alkaliphilic Sediment Inoculum in Anoxic-Oxic Bioprocess

Admassu, Tesfaye (Addis Ababa University, 2011-04)

Tanning is one of the oldest industries known by its voluminous wastewater and the use of huge type and amount of chemicals. In Ethiopia there are over twenty tanning industries. Most of which release their wastes without ...
Genetic Diversity Study of Five Ethiopian Indigenous Bovine Breeds Using Microsatellite Markers

Diriba, Solomon (Addis Ababa University, 2011-05)

The current study describes the genetic variability within and among five Ethiopian indigenous bovine breeds viz; Abigar, Boran, Horro, Guraghe and Sheko based on nine microsatellite markers (TGLA227, ETH3, ETH10, ETH152, ...
Production, Characterization, and Potential Application of A Keratinolytic Alkaline Protease Produced by Alkaliphilic Vibrio Sp.

Seid, Muhammed (Addis Ababa University, 2011-05)

At present alkaline proteases are widely used in leather processing, detergent formulations, silver recovery process, and in the production of protein hydrolysates. All alkaline proteases are dervied from microbial sources ...
Evaluation of Some Wood Rotting Fungi for Bagasse Pretreatment in Ethanol Production

Tewolde, Dawit (Addis Ababa University, 2011-06)

Lignocellulosic biomass is a sustainable feedstock for ethanol production compared to other substrates. In the ethanol generation process, pretreatment makes cellulose more accessible to enzymatic hydrolysis by modification ...
Factors in Fluencing Micropropagation and Somatic Embryogenesis of two, Kello and Qulle, Cassava Varieties

Berhanu, Roza (Addis Ababa University, 2011-06)

Cassava (Manihot esculenta Crantz) is a perennial shrub of the Euphorbiaceae family grown in the tropics, African and Asian continents for its starchy tuberous roots. Its cultivation is constrained by the lack of high ...
Production of Alkaline Amylase from A Facultatively Anaerobic Alkaliphilic Bacteria.

Damte, Ayalew (Addis Ababa University, 2011-07)

Bacillus sp. LCBC245, which grew at a temperature of 30 0C, pH of 10.3 and under anaerobic condition, produced an alkaline amylase. The growth of the organism and amylase production reached a maximum of 0.46 and 74.09U/ml, ...

Browsing Biotechnology by Issue Date

Browsing Biotechnology by Issue Date

Search AAU-ETD

Browse

All of AAU-ETD

This Collection

My Account