Working Document Series Open Access Factors influencing the price of fish in central Malawi and its implications on the development of aquaculture George Matiya · Wakabayashi. Yoshikazu A study to investigate factors that influence prices of fish was conducted in Lilongwe, Salima, Kasungu and Mchinji districts of the Central Region of Malawi. Market type, form of preservation, species type, length of fish, weight of fish,… RUF-35057 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Effect of pond plastic sheeting on water temperature and improved growth of fish in Dowa, Malawi L. Banda · E. Kaunda · P. Longwe · M. Matsimbe +2 more Temperature is one of the limiting constraints to increasing fish production in areas where temperatures are below 25oC. In most areas in Malawi temperatures are between 14 - 24oC (www.atlapedia.com/online/countries/malawi.htm), with the e… RUF-35052 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Effect of dietary protein, lipid and androgen (11 - ketotestosterone) levels on the progeny of Oreochromis andersonii (castelnau, 1861) broodstock J. Kang’ombe · D. Kassam · Alexander Shula Kefi The study on the effect of dietary protein, lipid and 11 – Ketotestosterone (11 – KT) levels on the progeny quality of Oreochromis andersonii broodstock will be conducted at National Aquaculture Research and Development Centre, Kitwe, Zamb… RUF-35051 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Influence of water quality parameters on Opsaridium microlepis catches in the Linthipe River in central Malawi D. Jamu · E. Kaunda · M. Limuwa · F. Maguza-Tembo +1 more The dwindling catches of the fish Opsaridium microlepis (locally called mpasa) from the Linthipe river in Malawi is of great concern. This is especially so given that the species has disappeared from some other river systems in Malawi. One… RUF-35045 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Translating integrated soil fertility management knowledge into livelihood benefits through farmer learning and participatory action in Zimbabwe R. Chikowo · T. Gwandu · P. Mapfumo · F. Mtambanengwe Smallholder agriculture production is constrained by poor technology adoption often linked to lack information dissemination strategies, among other factors. This study sought to evaluate the effectiveness of participatory information mana… RUF-35042 2015 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 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 Comparison of field and laboratory measured hydraulic properties of selected diagnostic soil horizons J. G. Chimungu · M. Hensley · L. D. Van Rensburg This study characterised the hydraulic properties of two soil types in South Africa, Bainsvlei and Tukulu using both field (instantaneous profile method) and laboratory (desorption techniques). The results showed that the two approaches we… RUF-35033 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Enhancing fish production and marketing for food security and rural incomes of small-scale producers in Malawi J. Banda · B. Chirwa · T. Chitsulo · D. Jamu +6 more Low fish production continues to be persistent problem among small scale farmers in Sub-Saharan Africa. An action research using the value chain approach that links university and other actors to the farmers will guide implementation of th… RUF-35024 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 Quality and risk assessment of safety hazards in fresh fish and fish products in Malawi J. Kang’ombe · F. Kapute · C. Kiiyukia · J.S. Likongwe +1 more Food quality and safety issues are becoming a major concern globally due to increased and widespread emerging risks related to food borne illnesses. Countries around the world are creating food safety agencies in compliance with national a… RUF-35018 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 Fish farming for improved income and food security of small scale farmersan initiative of the RUFORUM Community Action Research Programme (CARP) J. Banda · L. Banda · B. Chirwa · T. Chitsulo +9 more 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-34999 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 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 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 Technology adoption by smallholder farmers: Lessons from the soyabean research/promotion program in Zimbabwe S. Mpepereki Agricultural research programs in universities in sub-Saharan Africa generate technologies few of which are adopted by the smallholder farmers. A technology that demands significant additional inputs be they financial or physical is less l… RUF-34943 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Determination of milk components lost in whey during the manufacture of three cheese types P.T. Banda · C.T. Ndavambi · W. Parawira A small-scale farm in Harare processes soft goat cheese from goat milk and feta and gouda cheese from jersy cow milk. Milk constituents were measured in milk and as residual components in whey after processing cheese. Residual phosphorus a… RUF-34940 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Prominence of goat milk consumption and determinants of attitudes towards the milk in five agro-ecological zones of Zimbabwe P.T. Banda · S. Mpofu · D.M. Pfukenyi This study determined the prominence and determinants of attitudes towards goat milk consumption in agro-ecological zones I to V of Zimbabwe. Data were collected from 545 households and analyzed using SPSS. Generally, milk was consumed at … RUF-34928 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Uncovering the potential of resource-poor farmers through increased access to improved agricultural technologies: The Malawi model N. Khaki · A. Sefasi Malawi has faced consistent incidences of hunger, malnutrition and poverty. These have been attributed in part to frequent droughts. In addition, privatization policies forced the country to put the burden of keeping food reserves and prov… RUF-34920 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Assessment of milk producers’ awareness of milk-borne zoonoses, prevalence and risk factors of brucellosis in selected smallholder and commercial dairy farms of Zimbabwe G. Matope · D. Mosalagae · D. Pfukenyi The study assessed milk producers’ awareness of milk-borne zoonoses and prevalence and risk factors of brucellosis in selected smallholder and commercial dairy farms of Zimbabwe. A total of 119 dairy producers were interviewed; 21 (17.6%) … RUF-34918 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Genetic and phenotypic evaluation of Zimbabwean Jersey cattle towards the development of a selection index T.E. Halimani · E.V Imbayawro-Chikosi · E.M. Missanjo A multitrait selection index for Zimbabwean Jersey cattle was constructed using 10 986 records (305-day) from 25 herds with calving period from 1996 to 2008 using data from the Livestock Identification Trust. Genetic and phenotypic paramet… RUF-34915 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access An analysis of productivity and technical efficiency of conservation agriculture in Malawi: A case of Nkhotakota district K. Droppelmann · Abdi-Khalil Edriss · B. Kakhobwe · H.R. Mloza-Banda +1 more Maize productivity, measured as the amount of output for a given input set, is lower than it could be in Malawi due to poor access to agricultural inputs and environmental depletion especially declining soil fertility. Malawi is promoting … RUF-34914 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Estimation of the total viable bacterial counts of raw and processed milk from selected smallholder dairy farms of Zimbabwe P.T. Banda · G. Matope · T.A Mhone A study conducted in several diary farms in Zimbabwe revealed high levels of bacteria in both processed and raw milk. This is a public health concern. Efforts need to be put in place to minimize such high loads of bacterial counts. RUF-34907 2010 CC BY 4.0 14 Sep 2015
