Working Document Series Open Access Integrating indigenous and scientific soil quality indicators for improved crop production F. Bagoora · M. B. Karuhanga · M. M. Tenywa · J. S. Tumuhairwe Research has improved understanding of technical indicators of soil quality (TISQ) and their assessment criteria. Yet knowledge on farmer-perceived indicators of soil quality remains limited. The study intends to establish and validate ind… RUF-35046 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Characterisation of wild and cultured Oreochromis shiranus in Malawi I. Changadeya & Kosgey · D. Kassam · C.S. Lewuantai · A. Maluwa Oreochromis shiranus is a Malawi indigenous tilapia fish species. The aim of the study is to characterise the species phenotypically and genotypically within and between wild strains, unimproved and improved cultured strains. Phenotypic ch… RUF-35039 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Soil properties effects and management of organic residues to improve C sequestration, reduce N losses and improve crop yields B.O. Danga · Z. Getenga · B. Mochoge · J. Mugwe Rates of decomposition of organic materials in soil determine the amount of carbon (C) which is mineralized and released as CO2 versus the amount of C that is retained in various forms in the soil. Decomposition rates also greatly influenc… RUF-35037 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Some aspects of reproductive biology of Oreochromis andersonii, Oreochromis machrochir and Oreochromis niloticus in ponds N. Chimba · C. Kancheya · Alexander Shula Kefi · K.G. Kubiriza +1 more The study on the reproductive biology of Oreochromis macrochir, O. niloticus and O. andersonii was carried out for sixty nine days in hapas. There were no significant (P > 0.05) differences in the number and weight of spawn incubated in… RUF-35035 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Evaluation of water distribution systems at Igomelo Farmer-Managed Irrigation Scheme in Tanzania R. Amy Mchelle · I. Nganga · A.K.P.R. Tarimo Evaluation of water distribution systems at Igomelo irrigation scheme was conducted to assess the performance of the scheme after intervention of the Irrigation Management Transfer (IMT). The scheme was divided into three blocks: head, mid… RUF-35028 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Financial viability and acceptability of specific packages of dairy production and marketing innovations in Wedza, Zimbabwe R. T. Mano · N. T. Ngongoni · P. I. Zvinorova Low viability indicators and high operating ratios indicated poor viability in the smallholder sector, with the exception of rich farmers. Variations in gross margins were associated with heterogeneity of farmers in resource endowments, al… RUF-35021 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Maturity, age and growth of Oreochromis karongae (Teleostei: cichlidae) in Lake Malawi and Lake Malombe M. Banda · F. Kapute · E. Kaunda · Morioka. Sinshuke Size-at-50% maturity, age and growth, of Oreochromis (Nyasalapia) karongae (‘chambo’) in Lakes Malawi and Malombe were studied. Similar size-at-50% maturity and growth patterns were found for populations in Lake Malawi, but differences wer… RUF-35013 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Reproductive biology and cryopreservation of milt of Alestes baremoze (Joannis, 1835) of Lake Albert, Uganda M. Agaba · J.S. Balirwa · G.M. Kamugisa · D. Kassam +1 more This study is designed to generate knowledge relevant to the domestication, breeding, production and propagation of Alestes baremoze fish species in captivity through artificial spawning and in vitro fertilization. The study aims at broade… RUF-35007 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Utilization of woody plants as food in times of food scarcity in selected dryland areas of Iringa district, Tanzania V. E. Tairo Iringa District in Tanzania is a semi-arid area that is prone to frequent crop failures. Food insecurity is widespread and often the communities use woody plants as alternative source of livelihood. Although the use of woody plants as food… RUF-35006 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Livelihood diversification and enhanced food security through agro-pastoralism: Socio-cultural and other challenges among Maasai pastoralists of Narok North district of Kenya N. J. Kathuri · J. G. Mwangi · A. O. Nkurumwa The Maasai of Narok North District Kenya have started adopting agro-pastoralism as a livelihood diversification strategy. This study sought to determine the socio-cultural challenges faced in agro-pastoralism and the relationships between … RUF-34994 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Population dynamics and impact of trawling on the population structure of four key-indicator fish species in the South East arm of Lake Malawi A.M.E. Bulirani · E. Kaunda A study to assess impact of trawling on fish species population and dynamics has been initiated in Lake Malawi. Population dynamics of four indicator species will be monitored and used as a proxy indicator of the status of fishery in Lake … RUF-34989 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Evaluation of market opportunities of Meat in Uganda D. Mpairwe · J. Mugisha · J. Nalubega Beef production in Uganda is estimated at an average of 160,000 metric tones per year giving the national meat consumption per capita in Uganda as 11 kg which is lower than the 40 kg recommended by the World Health Organization. The presen… RUF-34988 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Estimation of consumer preferences for cowpea in Uganda T.S. Hyuha · J. Mundua · B. Tayebwa This study conducted in eastern Uganda, assessed consumer and market vendors preferances for different cowpea varieties grown in Uganda. Both consumers and market vendors prefered large white seeded grains. The study recommends adding valu… RUF-34983 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Farmers’ perceptions of orange-fleshed sweetpotatoes as a food security crop in central and eastern Uganda P. Isubikalu · R. Mukebezi · R. O. M. Mwanga · B. Orum A descriptive study was conducted to ascertain the perception of farmers in eastern and central Uganda on Orange Fleshed Sweet Potato (OFSP) as a food security crop. Major findings indicated that although OFSP and local sweet potato variet… RUF-34975 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Involvement of oligopeptidase B in the establishment of a central nervous system infection by Trypanosoma brucei brucei G.W. Lubega · E. Matovu · Samuel Posian Wamala African trypanosomiasis is a major disease in several countries in eastern Africa, Uganda inclusive. This study is examining the role of oligopeptidase B (opB) in virulence of the vector Trypanosoma brucei rhodesiense and T. brucei gambien… RUF-34974 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Enhancing potato production and market access in Uganda E. Katungi · A. K. Katwijukye · J. Mugisha Potato value chain in Uganda is characterised by many scattered small farmers and buyers facing high transaction costs, resulting from lack of mutually beneficial linkages between actors in the chain and market coordination problems in ter… RUF-34970 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Pig lymphnode lesions and an immunohistochemical analysis on selected abattoir-derived lymphnode samples for the presence of African swine fever virus L. Ojok · P. Ssajjakambwe In order to gain an insight into the pig lymphnode lesions and African swine fever antigen occurrence, this study was designed based on an abattoir survey. The study was carried out at the Nalukolongo abattoir located at the outskirts of K… RUF-34967 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Tourism and agriculture linkages: Determinants of local agricultural products purchase by hotels at the Kenyan coast P.M. Mshenga This paper investigated the local agricultural products purchased by tourist hotels, the hotel purchase and the hotel characteristics influencing purchase of local agricultural products. The study was conducted in coastal Kenya. Multistage… RUF-34966 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Stakeholders’ views and perceptions on emerging conflicts with respect to apiculture in the western Usambara mountains, Tanzania G.C. Kajembe · D.N. Kimaro · G.E. Mbeyale · J. Sinyangwe The study identified key stakeholders and their interests and analyzed socio-economic factors influencing the perceptions and resource use conflicts of apiculture as an intervention towards improved natural resource management (NRM) by loc… RUF-34962 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Milking procedures and prevalence of mastitis and mastitis specific-pathogens in selected smallholder dairy herds in Zimbabwe G. Matope · M. Ndengu · D.M. Pfukenyi · Katsande. Simbarashe A cross-sectional study was carried to collect milk samples for bacteriological examination and somatic cell counting in diary cows in Zimbabwe. Of the total animals tested, 172 (29.5%) had mastitis with 84% (144/172) of them having subcli… RUF-34960 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Institutional arrangements and stakeholder power relations underlying apiculture for conservation of natural resources in west Usambara Mountains,Tanzania G.C. Kajembe · D.N. Kimaro · G.E. Mbeyale · G. Sicheeba A study was conducted whereby 98 respondents were interviewed out of which 54 were beekeepers while 44 were non –beekeepers. Statistical package SPSS v 16 was used to analyze the data. Age, awareness of national beekeeping policy, awarenes… RUF-34958 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access The impact of fodder flow systems practiced by small scale dairy farmers on milk production and economic viability in Marirangwe smallholder dairy scheme of Zimbabwe N. Sikaceya An analysis was made for the cattle feed quality used by the small-scale and large-scale producers in Marirangwe, Zimbabwe. This was done to try and explain the huge disparity between milk production by the two dairy sectors. Feed-staff fr… RUF-34956 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Feedlot performance of dorper wether lambs fed Opuntia-based diets with different nitrogen sources H.O. de Waal · J. Els · L. Schwalbach · K.L. Shiningavamwe The performance and carcass characteristics of 45 Dorper wether lambs fed Opuntia-based diets with different nitrogen (N) sources were evaluated in the feedlot. Lambs were weighed weekly to determine the ADG and slaughtered when they reach… RUF-34951 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Spatial analysis of vegetation and small mammals’ habitat for prediction of plague reservoirs and vectors in Lushoto District, Tanzania J.A. Deckers · H. Gulinck · N. I. Kihupi · D.N. Kimaro +3 more Vegetation habitats mapping were studied in Mavumo area, Lushoto District, Tanzania using Arc view software in order to determine the distribution and abundance of plague reservoirs and vectors. The land cover took into account forest (nat… RUF-34949 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access What is the effect of management interventions package on productivity of indigenous chicken in Western Kenya? B.O. Bebe · J. Ochieng · G. Owuor This study examined different management packages for improving indigenous chicken productivity in Kenya. The management interventions package comprised feed supplementation, housing, chick rearing, brooding and vaccination study. Farmers … RUF-34944 2010 CC BY 4.0 14 Sep 2015
