Working Document Series Open Access A comparative study of two sampling approaches for the coconut whitefly and its associated parasitoids in Inhambane province, Mozambique D. Cugala · Ronald Kityo Research to develop and evaluate pest management tactics requires meaningful measurements of populations of pests and/or beneficial organisms for accurate and precise estimation. Sample size and number of samples corresponding to fixed lev… RUF-36914 2016 CC BY 4.0 15 Sep 2017
Theses & Dissertations Open Access Effect of pretreatments and drying on nutrient content of orange fleshed sweet potato tubers and cowpea leaves used in Maswa district, Tanzania. Christerbel. Nicanuru Rural communities in Tanzania are increasing suffering from food shortage and malnutrition (Vitamin A deficiency, Protein energy malnutrition and Iron deficiency Anaemia). A household survey was conducted to determine the baseline situatio… RUF-35947 2016 CC BY 4.0 30 May 2016
Theses & Dissertations Open Access Population genetics structure of wild and domesticated African catfish (Clarias gariepinus) in Victoria and Albertine Drainage Basins Daniel Ojiambo Wildlife capture fisheries have declined tremendously due to overfishing resulting from high demand. Aquaculture is a viable option to meet this demand. The African catfish (Clarias gariepinus) is one of the major species cultured in sever… RUF-35894 2015 CC BY 4.0 3 Feb 2016
Journal articles Open Access Effect of sun- drying on nutrient content of orange fleshed sweet potato tubers in Tanzania H.S. Laswai · Christerbel. Nicanuru · D. N. Sila The aim of this study was to assess the impact of traditional processes practiced in Maswa district Tanzania, on nutrient content of orange fleshed sweet potato tubers. The nutrients content was studied in four dried sweet potato varieties… RUF-35881 2015 CC BY 4.0 3 Feb 2016
Journal articles Open Access Shelf life of whole fresh lake Malawi tilapia (Oreochromis species – chambo) stored in ice F. Kapute · C. Kiiyukia · Jeremy Likongwe Lake Malawi Tilapia (chambo) fish species is widely consumed and forms the most important commercial fishery in Lake Malawi. However, as a highly perishable commodity, knowledge regarding how long fresh fish would remain in acceptable and … RUF-35618 2013 CC BY 4.0 7 Oct 2015
Journal articles Open Access Diet and feeding habits of the small catfish, Clarias liocephalus in wetlands of Western Uganda L. Chapman · Jeremiah Kang’ombe · J. Yatuha Clarias liocephalus is an air-breathing catfish inhabiting wetland and river systems in East Africa. This catfish is in highdemandforsaleaslivebaitintheNileperchfisheryof Lake Victoria and equally important in the diet of local communitiesint… RUF-35593 2012 CC BY 4.0 7 Oct 2015
Theses & Dissertations Open Access Temporal population dynamics of stored maize insect pests and efficacy of safer grain protectants in the smallholder sector of Zimbabwe H. Machekano The overall objective of the study was to establish the efficacies of different inert dusts alone and in combination with safer levels of a synthetic pyrethroid or a bio-pesticide as grain protectants. Parallel on-station ecological studie… RUF-35592 2013 CC BY 4.0 7 Oct 2015
Journal articles Open Access Quality assessment of fresh lake Malawi tilapia (chambo) collected from selected local and super markets in Malawi Jeremiah Kang’ombe · F. Kapute · C. Kiiyukia · Jeremy Likongwe +1 more The aim of this study was to assess quality of Lake Malawi Tilapia (local name: Chambo) from local and super markets in Malawi. Fish from local markets hadsignificantly higher numbers of viable bacteria counts(9.5×108CFU/g, cm2) (P<0.01… RUF-35587 2012 CC BY 4.0 6 Oct 2015
Journal articles Open Access Challenges of using Information and Communication Technologies to disseminate agricultural information to farmers in Sudan Kamal El-Siddig · J. Githeko · Musa Nada Purpose: In this study, the challenges to effective use of ICT to disseminate agricultural information were investigated. The study also sought to determine the extent to which ICT usage influences the dissemination of agricultural informat… RUF-35583 2013 CC BY 4.0 6 Oct 2015
Journal articles Open Access The migration of chemical contaminants from polyethylene bags into food during cooking N. Banadda · J. Kigozi · L. Musoke · C. Sempala Cooking food in polyethylene bags has of late substituted banana leaves in Uganda. However, such a practice is risky as chemical contaminants may migrate from polyethylene bags into food during cooking causing health complications. Therefo… RUF-35575 2015 CC BY 4.0 2 Oct 2015
Theses & Dissertations Open Access Principal Component and Multiple Correspondence Analyses in Dimensionality Reduction: A Study on Aflatoxin Contamination of Peanuts in Kenya Henry Henry Mokua Momanyi In a study about the factors that contributed to the risk of aflatoxin contamination of peanuts in the Peanut CRSP project in Kenya, contingency table analysis (Pearson’s chi-square) was used to analyze a large mixed data set from a survey… RUF-35363 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Using community health workers to access the effectiveness of the community health strategy in kibera, lang'ata district using two statistical models Esther Nthambi Nthuku About 70% of child deaths in the community occur at home caused by preventable or easily curable diseases like malaria, diarrhea and malnutrition. The government of Kenya came up with a plan referred to as Community Health Strategy in 2006… RUF-35354 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Modelling spatial non-stationarity of Oreochromis karongae in South-East Arm of Lake Malawi Patrick Jeremy Likongwe Fisheries researchers are faced with the challenging task of studying complex patterns and processes in aquatic resources. Analysis of such patterns is mostly performedundertheassumptionthatecologicalrelationshipsdonotvarywithin management… RUF-35352 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Ethno medicinal products used in banana production, management practices, farmers’ perception and efficacy in Masaka and Mpigi districts, Uganda Godfrey Vianney Bwogi Banana failure among smallholder farmers resulting from high incidence of banana weevils and other pests and diseases has resulted into a poverty trap for farmers, food insecurity and reduced economic growth among the banana producing comm… RUF-35347 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Influence of trees on soil characteristics and maize productivity in small holder farms of western Kenya Noella Andenyi Ekhuya Maize production in Kenya has been decreasing with time, especially in Western Kenya which is one of the main belts of maize production. This is due to low purchasing power for inorganic fertilizers by resource poor farmers. Use of local i… RUF-35344 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Log Ratio Methodology for Analysis of Compositional Data: A case of Olfactometer Bioassay Data from Insect Behavioural Studies Anthony Raymond Epel Researchers are often times confronted with compositional data in insect choice studies. The choice of a statistical method to model this type of data is always not obvious. In this study, three approaches for analysis of compositional dat… RUF-35342 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Adoption of Kilimo Kwanza Policy by Smallholder Citrus Farmers in Muheza District, Tanga Region Mzamiru Saidi Smallholder farmers in the citrus sub-sector of Tanzania particularly in Tanga Region are adversely faced by many challenges compared to other groups of farmers. Poor farming practices, poor post harvest management skills, low quality of p… RUF-35341 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Multinomial Logit Model Application: Usage In Beef Market Choice Analysis In Kampala, Uganda Fred Alinda Beef markets in Uganda comprises of supermarkets, abattoirs and butcheries with the latter constituting the biggest share in beef supply and demand. Each market alternative can be identified with distinct attributes of beef quality. Distin… RUF-35337 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Evaluation of data capture methods used in plant health clinics in Kenya Linda Amondi Ohulo Plant clinics, which are context and situation specific compared to the existing extension approach in the Ministry of Agriculture (MoA), can deliver advice to farmers at the point of demand to reduce crop losses to pests. They can also ad… RUF-35331 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Provision of research methods support for neglected tropical diseases’ research projects at eastern and southern African centre of international parasite control, Kenya medical research institute, Nairobi Paul Murima Ng’ang’a The availability of a large variety of elementary and complex statistical methods and the quick pace of change and development in statistics makes most researchers' statistical knowledge insufficient for them to be independent. It is unrea… RUF-35327 2011 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Use of data quality assessment to evaluate the level of HIV data completeness in Ministry of Health facilities: a case study of Eastern province-Kenya Kirimi Peter Mutugi Human Immunodeficiency Virus (HIV) and Acquired Immune Deficiency Syndrome data feedback and decision making is enhanced by data quality assessments which are done using well designed tools and methods. HIV data quality is useful in HIV pr… RUF-35325 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Seed-borne viruses detected on farm-retained seeds from smallholder farmers in Zimbabwe, Burkina Faso, Bangladesh and Vietnam W. Manyangarirwa · C.N. Mortensen · J. Sibiya The smallholder farming sector in much of the developing world relies on the use of farm-retained seed. The availability of good quality disease free seed is important in enhancing food security but seed-borne viruses can be a major proble… RUF-35119 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluation of the performance of Centre Pivot Sprinkler irrigation system and its effects on crop yield at Kagera, Tanzania E. Ernest · H. Mahoo · P. M. Reuben · S. Y. Thadei The study evaluated the performance of the centre pivot sprinkler irrigation system and its effects on sugar cane yield at Kagera Sugar Estate. The study also examined soil parameters that influence cane yield and the quality of irrigation… RUF-35105 2010 CC BY 4.0 16 Sep 2015
Journal articles Open Access Epidemiology of Epizootic Ulceration Syndrome on fish of the Zambezi river basin: A case study for Zambia W. Mfitilodze · A. Nsonga · K.L. Samui · D. Sikawa Objective: An epidemiological investigation on the fish disease Epizootic Ulcerative Syndrome (EUS) was conducted from January to December 2011 in the Zambezi River System (ZRS) of Sesheke District in the Western Province of Zambia. The st… RUF-35063 2013 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