Working Document Series Open Access Assessment of technical and economic feasibility of a portable aquaponic system P. C. Mnelemba · J. Valeta In Malawi, about 43.6% of total dietary protein consumed is from fish. However, rapid growth in population has led to harvest stagnation from Lake Malawi and other water bodies, leading to a decline in per capita consumption of fish from 1… RUF-39743 2018 CC BY 4.0 16 Jan 2023
Working Document Series Open Access Impact of gender on production and value addition along the farmed fish value chain in Kenya J. N. Gichure · J. G. Maina · S. K. Njeru Unorganized structures in the aquaculture sector in Kenya have resulted in an overreliance on rudimentary production and processing technologies, high wastage of harvested fish and underutilization of fish and by-products, mismatch in dema… RUF-39636 2018 CC BY 4.0 20 Sep 2022
Journal articles Open Access Effects of common carp (Cyprinus carpio Linnaeus, 1758) and the African catfish (Clarias gariepinus Burchell, 1822) on growth and reproductive performance of native tilapia Oreochromis shiranus (Boulenger, 1896) E.R. Chirwa · W.L. Jere · D. Kassam · A. Mtethiwa A study was conducted to assess the effects of common carp and the African catfish on growth and reproduction of the native tilapia Oreochromis shiranus in Malawi. The study was done from 1 May to 1 October 2018 at the National Aquaculture… RUF-39311 2019 CC BY 4.0 25 Jun 2021
Journal articles Open Access Effects of common carp and African catfish on plankton, periphyton, benthic macroinvertebrates in pond ecosystem E.R. Chirwa · W.L. Jere · D. Kassam · A. Mtethiwa As the common carp Cyprinus carpio and African catfish Clarias gariepinus affect biotic assemblages in aquatic ecosystems through their benthivory, their introduction has been considered an environmental concern. We compare the effects of … RUF-39310 2019 CC BY 4.0 25 Jun 2021
Journal articles Open Access The interactive effect of water temperature and salinity on yolk absorption rate, growth and larval survival of African catfish Clarias gariepinus (Burchell 1822) T. N. Gondwe, · D. Kassam · A.H.N. Mtethiwa · D. Sikawa +1 more The study was undertaken to determine the interactive effect of water temperature and salinity on yolk absorption rate, growth and survival of C. gariepinus larvae. Fertilized eggs, from broodstock reared for commercial seed production wer… RUF-39309 2015 CC BY 4.0 21 Jun 2021
Journal articles Open Access Interactive effect of Water temperature and nitrate fertilizers on growth, survival, and hatching success of eggs, embryos and larvae of African Catfish (Clarias gariepinus, Burchell 1822) W. Kadewa · D. Kassam · R. Ssenfuma · J. Valeta The study assessed the interactive effect of water temperature and nitrate fertilizers on growth, survival, and hatching success of eggs, embryos and larvae of African catfish Clarias gariepinus. 100 fertilized eggs of C. gariepinus were i… RUF-39306 2019 CC BY 4.0 21 Jun 2021
Theses & Dissertations Open Access Interactive effect of Water temperature, nitrate fertilizers and sewage effluent on development, growth and survival of embryos and early life stages of African Catfish Clarias Gariepinus ((BURCHELL 1822) R. Ssenfuma This study assessed the interactive effect of water temperature, nitrate fertilizers, and sewage effluent on development, growth and survival of embryos and early life stages of African catfish Clarias gariepinus. One hundred fertilized eg… RUF-39304 2020 CC BY 4.0 21 Jun 2021
Journal articles Open Access Occupational Health Risks and Hazards Among the Fisherfolk in Kampi Samaki, Lake Baringo, Kenya M. A. Mokua · F. W. Ngaruiya · G. M. Ogendi : Globally, almost 2.78 million deaths that occur annually are attributed to work-related health risks. Worldwide and, especially, in developing countries, about 20% to 50% of the workers are exposed to health risks. Fishing is an ancient … RUF-39228 2019 CC BY 4.0 1 Apr 2021
Working Document Series Open Access Factors influencing adoption of fish farming along the value chain in Kibwezi, Makueni County, Kenya J. G. Maina · S. M. Mukoya-Wangia · J.T. Njoka · P. S. Wesonga Communities in arid and semi-arid lands (ASALS) are confronted with a number of challenges that include limited livelihood choices, high livestock mortality during drought, poverty and malnutrition, among others. Although past studies have… RUF-38942 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access GIS mapping of informal fish trade routes used by traders between Malawi and neighbouring countries S. Chimatiro · Z. Dulanya · E. Kaunda · E. Mwathunga +1 more The study focused at mapping of informal fish routes used by fish traders in cross border fish trade between Malawi and neighboring countries. A route labelling method using questionnaire survey and observation as described by Ramming (200… RUF-38927 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access Application of neo-classical economic models in the analysis of potential viability and public valuation of fish solar dryer in Malawi F. Kapute · M. Limuwa · R. Makwinja · F. Njaya The Government of Malawi through research institutions is promoting adoption of climate smart technology in the fishing industry. The philosophy behind the technology is to reduce fish-post-harvest losses currently estimated at 40%, improv… RUF-38911 2018 CC BY 4.0 16 Dec 2020
Working Document Series Open Access Harnessing public–private partnership to enhance practical-oriented graduate training in fisheries and aquaculture in Sub-Saharan Africa B. C. Abebe · A. D. Adamneh · P. Akoll · S. Drexler +12 more Higher Education Institutions (HEIs) are hubs of knowledge generation and innovations to drive community development towards achieving African Aspirations laid down in the AU Agenda 2063. Student centered learning, supported with experient… RUF-38857 2018 CC BY 4.0 9 Dec 2020
Working Document Series Open Access Characterization of fish markets for small-scale farmers in Kenya J. G. Maina A study was done to determine the characteristics of fish markets for small-scale fish farmers in four Counties in Kenya, namely, Kirinyaga, Busia, Kakamega and Migori. The objectives of the study were to i) assess the social-economic char… RUF-38482 2018 CC BY 4.0 12 Aug 2020
Journal articles Open Access A review of the farming of common carp (Cyprinus carpio L.) in Malawi: policy research directions for aquaculture development in Malawi E.R. Chirwa · W.L. Jere · D. Kassam · A. Mtethiwa The lack of better performing native fish species for aquaculture led the government of Malawi to import the exotic common carp (Cyprinus carpio L.) from Israel in 1976. Growth trials at Domasi and Kasinthula Experimental Stations had show… RUF-37275 2017 CC BY 4.0 9 Nov 2017
Working Document Series Open Access Effects of polychaete based diets on growth and survival of Tiger shrimp juveniles B.M. Fulanda · C.M. Kihia · B. Muli · J. Munguti +1 more This study is designed to assess viability of Polychaete worms (Marphysa mossambica) species as potential alternative animal protein ingredients in formulation of juvenile tiger prawn (Peneaus monodon) feeds in Kenya. Specifically the stud… RUF-37082 2016 CC BY 4.0 19 Sep 2017
Working Document Series Open Access Effect of incubation water flow rate and egg population density on hatching success of Oreochromis karongae D. Kassam · Jeremy Likongwe · A. Maluwa · J. Valeta +1 more Research was conducted to assess the combined effect of water flow rate and incubation egg population density on egg hatching period, hatchability, total mortality and fry survival of Oreochromis karongae. The treatments were (1) 0.09 l/se… RUF-37078 2016 CC BY 4.0 19 Sep 2017
Working Document Series Open Access Growth performance of Clarias gariepinus hatchlings fed on enzyme pre-digested dry diets from first feeding W.L. Jere · J. Kang’ombe · C. Kemigabo · C. Masembe +1 more Lack of affordable larval diets is largely held responsible for the low survival (10-30%) and slow growth of catfish (Clarias gariepinus) fry, required for production of farmed human food fish and as bait for the Nile Perch fishery within … RUF-37076 2016 CC BY 4.0 19 Sep 2017
Working Document Series Open Access Africa Centre of Excellence in Aquaculture and Fisheries (AquaFish) J. Dzanja · W.W.L. Jere · Jeremiah Kang’ombe · D. Kassam +5 more The Aquaculture and Fisheries Science Centre of Excellence (AquaFish), based at Lilongwe University of Agriculture and Natural Resources (LUANAR), seeks to train a pool of skilled and innovative graduate students to contribute towards impr… RUF-36095 2016 CC BY 4.0 14 Oct 2016
Multimedia Open Access Strengthening universities Community engagement for transformed Agriculture The video shows the Nepad Regional Fish Node at Bunda College in Malawi that launched a program aimed at empowering rural farmers in the country to embrace inland fish farming as a viable business. More so, the Community Action Research Pr… RUF-35694 2015 CC BY 4.0 28 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 Nutritional evaluation of plant ingredients for diets of Tilapia rendalli in NkhataBay, Northern Malawi Kumbukani Mzengereza Modern fish culture requires the reduction of the cost of feeds which can partly be achieved by minimal use of dietary animal protein. This study assessed the nutritional potential of locally available plant based feedstuffs from Mpamba EP… RUF-35376 2015 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Cross-mating and oviposition behaviour between strains of Cotesia sesamiae cameron (hymenoptera: braconidae) from Kitale, Mombasa and Mount Kenya & Fritz Schulthess Bruno Le Ru · E.W. Kairu · J.N. Mugambi Stemborers cause 50% yield losses in cereal crops. In Kenya Cotesia sesamiae is one of the parasitoids that has been studied in regard to the control of stemborer pests. In this study the reproductive compatibility of three populations of … RUF-35125 2010 CC BY 4.0 16 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 Feeding, reproductive biology and aquaculture potential of Clarias liocephalus in the wetlands of south western Uganda L. Chapman · J. Kang’ombe · J. Rutaisire · J. Yatuha Clarias liocephalus is a data-deficient air breathing cat fish in wetlands of Western Uganda. It is highly demanded as live bait in Nile perch fishery of Lake Victoria and as food by local communities. Because of high demand, smaller sizes… RUF-35094 2010 CC BY 4.0 16 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