Theses & Dissertations Open Access Effect of organic and inorganic fertilizers on natural food composition and performance of African catfish (Clarias gariepinus) fry produced under artificial propagation Sebastian S. Mosha Demand for fish in both rural and urban areas is very high in Tanzania. In recent times, the African catfish, Clarias gariepinus, has gained popularity in the aquaculture sector of Tanzania. However, many aquaculture farmers face the chall… RUF-35875 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
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
Theses & Dissertations Open Access Evaluation of rainwater harvesting techniques in Yatta district, Kenya Ibrahim Ahmed Ibrahim Abdelfadeel Climate change and/or variability are expected to affect water availability as well as the techniques of water harvesting. The main objective of this study was to investigate factors affecting adoption of rainwater harvesting techniques in… RUF-35369 2012 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Nitrogen dynamics and removal by algal turf scrubber under high ammonia and organic matter loading in a recirculating aquaculture system J.S. Valeta · M.C.M. Verdegem High total ammonia nitrogen (TAN) concentrations were introduced to an Algal Turf Scrubber developed under loadings of Clarius gariepinus recirculating aquaculture system effluent to determine its potential and dynamics of TAN removal. TAN… RUF-35087 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Development of least cost formulated feed for Tilapia rendalli in tank based grow- out culture system J. Kang’ombe · T. Soko An experiment was conducted at Bunda fish farm from November 2009 to February 2010. Juveniles of Tillapia rendalli of average weight 9.5 ± SD 0.5g were stocked in outdoor concrete tanks and fed on diets of different plant protein sources f… RUF-35086 2010 CC BY 4.0 16 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 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
Working Document Series Open Access Fumigant toxicity of five essential oil constituents against major stored-product insect pests of food grains P.K Bett · A.L. Deng · E. A.W. Kamau · S.T Kariuki +5 more Insect pests attacking stored food grains cause substantial losses that undermine food security in sub-Sahara Africa. Subsistence farmers predominantly use traditional plant-based products to protect their grains in storage. In an attempt … RUF-34387 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Do triple bag hermetic storage Control Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae) in stored maize in Mozambique? H. Affognon · D. Cugala · L. Muchiriuarapa Prostephanus truncatus is a serious and dominant pest of stored maize in Mozambique. Before the introduction of P. truncatus in Mozambique in 1999, weight loss in stored maize in small scale farmers’ system was about 10 to 12% and Sitophil… RUF-34159 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Identifying conditions for phytase enzyme adaption in African catfish feeds H. Kasigwa · C. Kemigabo · C. Masembe · D. Sikawa This research was conducted to establish and streamline conditions and optimum amount of phytase enzyme required for its adoption for improved digestibility of plant based catfish feeds. This started with analysis of pH along African catfi… RUF-34149 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Essential oils of Cupressus lusitanica and Eucalyptus saligna as fumigants of stored product insect pests: The hope of the future for small-scale farmers P.K Bett · A.L. Deng · S.T Kariuki · J.M. Mihale +3 more Laboratory studies were conducted in the Biotechnology Laboratory, Egerton University, Kenya to determine fumigant activity (space and grain fumigation) of essential oils of the Mexican cypress (C. lusitanica) and Sydney blue gum (E. Salig… RUF-34135 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Heavy metal distribution in soils of some urban and peri-urban horticultural farms in Botswana J. Agbenin · T. Mpuisang · T. Mubyana-John · L. C. Obuseng +1 more Despite the fact that there is high usage of agrochemicals and use of urban waste water for irrigation, the concentration of potentially toxic metals in urban and peri-urban agriculture (UPA) farms has not been widely investigated in Botsw… RUF-34051 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access The role of farmers’ organizations in linking smallholder farmers to maize markets in Eastern Uganda G. Elepu · P. Gimbo · P. Kibwika The warehouse receipt system for maize (Zea mays L.) was introduced in Uganda to enhance farmer access to markets and credit in order to increase the efficiency of the maize value chain and to improve smallholder incomes. Though, since the… RUF-33808 2014 CC BY 4.0 10 Aug 2015
Working Document Series Open Access The Risk of Feed and Milk Contamination by Mycotoxins on Smallholder Dairy Farmers in Kenya T.P. Lanyasunya · T.K. Mutunga Mycotoxins are toxic secondary metabolites produced by fungi in warm environments. Due to the warm climate highly favourable for growth of moulds, the threat of mycotoxin poisoning (livestock and human) is real and of major concern in Keny… RUF-33082 2012 CC BY 4.0 21 May 2014
Working Document Series Open Access Temporal Population Dynamics of Storage Insect Pests and their Management Using Safer Grain Protectants in Maize Smallholder Systems of Zimbabwe B.M. Mvumi · R. Rwafa The study aims to determine peak flight activity periods and develop a safer and more efficacious grain protection strategies using different combinations of new and commercial diatomaceous earths (DEs), biopesticides and minimal pyrethroi… RUF-32944 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Shelf life of whole Lake Malawi Tilapia (Chambo) stored in ice J. Kang’ombe · F. Kapute · C. Kiiyukia · J.S. Likongwe +1 more This study was conducted to determine time when freshly caught Lake Malawi tilapia (Chambo) can remain in acceptable and safe condition for consumers. Sensory, microbiological, and proximate composition analyses including measurement of pH… RUF-32814 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Ecology and Safer Management of Storage Insect Pests in Sorghum Smallholder Farming Systems H. Machekano · B.M. Mvumi · R. Rwafa This study seeks to develop safe, effective and environmentally friendly alternatives to the conventional organophosphate-based insecticides and generate better understanding of storage insect pest population dynamics so as to identify app… RUF-32001 2012 CC BY 4.0 13 May 2014
