School of Agriculture and Food Security: Recent submissions
Now showing items 261-280 of 437
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An Appraisal of the Feasibility of Tilapia Production in Ponds Using Biofloc Technology: A review
(KENYA MARINE AND FISHERIES RESEARCH INSTITUTE, 2014-01-01)The continuous expansion of aquaculture sector has no doubt triggered debate on environmental issues and has accelerated global demand for fishmeal and fish oil in equal measure. In the recent past, scientists have described ... -
Complete replacement of fish meal in the diet of Nile tilapia (Oreochromis niloticus L.) grow-out with alternative protein sources. A review
(KENYA MARINE AND FISHERIES RESEARCH INSTITUTE, 2014)Tilapia culture is widely practiced in tropical and subtropical regions with an annual growth rate of 12% thanks to their high growth rate, disease resistance, and low trophic feeding levels. The increase of aquacultur ... -
An overview of current status of Kenyan fish feed industry and feed management practices, challenges and opportunities
(Kenya Marine & Fisheries Research Institute, National Aquaculture Research Development & Training Center (NARDTC, 2014)The profitability of commercial fish farming operation is of paramount importance to all farmers. However, farmers must have access to well-balanced and cost effective feeds coupled with optimal on-farm feed management ... -
Effects of pure and crude papain on the utilization and digestibility of diets containing hydrolysed feather meal by Nile tilapia (Oreochromis niloticus L.)
(KENYA MARINE AND FISHERIES RESEARCH INSTITUTE, 2014)This study was conducted to evaluate the effects of pure and crude papain on the digestibility and utilization of diets containing hydrolysed feather meal (HFM) by Nile tilapia (Oreochromis niloticus L.) under indoor and ... -
The occurrence of the brine shrimp, Artemia franciscana (Kellog 1906) in Kenya and the potential economic impacts among Kenyan coastal communities
(Kenya Marine and Fisheries Research Institute, Kegati Aquaculture Research Station, 2014)The occurrence of Artemia populations in Kenyan coast is a noble happening. However, much information is lacking concerning its exploitation for Larviculture. This paper reviews inoculation of Artemia in the Kenyan coast ... -
Growth Response, Survival and Profitability of Nile Tilapia (Oreochromis niloticus) Fed at Different Feeding Frequencies in Fertilized Earthen Ponds
(Kenya Marine and Fisheries Research Institute, National Aquaculture Research Development and Training Center,, 2014)Nile tilapia (Oreochromis niloticus) fingerlings were reared in earthen ponds at three different feeding frequencies; twice daily, twice after 1 day, and twice after 2 days for a period of 7 months. Three hundred and ... -
Genetic differentiation of Artemia franciscana (Kellogg, 1906) in Kenyan coastal saltworks
(Kenya Marine and Fisheries Research Institute, Kegati Aquaculture Research Station, 2014)The nature of genetic divergence between the Artemia population native to San Francisco Bay, (SFB) USA and those from the introductions of SFB material in the Kenyan coast two decades ago were investigated using the ... -
Methane emissions from riverine and swampy coastal wetlands: influence of open and macrophyte‐infested areas
(Blackwell Publishing Ltd, 2011-11)he atmospheric concentration of methane (CH4) exerts a strong influence on the global climate. Notably, wetlands are important CH4 sources, whose emission represents an ecosystem process depending on such wetland characteristics ... -
Nutritive Value and Availability of Commonly Used Feed Ingredients for Farmed Nile Tilapia (Oreochromis Niloticus L.) and African Catfish (Clarias Gariepinus, Burchell) in Kenya, Rwanda and Tanzania
(AJFAND, 2012)Commonly utilized feed ingredients for culture of Nile tilapia (Oreochromis niloticus) and African catfish (Clarias gariepinus) from Kenya, Tanzania and Rwanda were collected over a period of six months (January - June ... -
The potential of periphyton based aquaculture for nile tilapia (Oreochromis niloticus L.) production. a review
(Kenya Marine and Fisheries Research Institute, 2014)The rapid growth in aquaculture has triggered new technological advancement such as periphyton based aquaculture. Periphyton is comprised of groups of algae, filamentous bacteria etc. This technology works on the basis of ... -
An overview of Kenyan aquaculture: Current status, challenges, and opportunities for future development
(Munguti Jonathan Mbonge; Kim Jeong-Dae; Ogello Erick Ochieng, 2014-03-31)The Kenyan aquaculture sector is broadly categorized into freshwater aquaculture and mariculture. Whereas freshwater aquaculture has recorded significant progress over the last decade, the mariculture sector has yet to be ... -
USPOREDNA PERFORMANSA RASTA MUŽJAKA ISTOG SPOLA I MJEŠOVITOG SPOLA NILSKE TILAPIJE (Oreochromis niloticus L.) UZGAJANIH U ZEMLJANIM RIBNJACIMA
(Agronomski fakultet Zagreb, 2015-03-25)Usporedna performansa rasta mužjaka istog spola u odnosu na mješoviti spol Nilske tilapije (Oreochromis niloticus) provedena je u šest zemljanih ribnjaka veličine 150 m2 u Kenijskom institutu za istraživanje mora i ribarstva ... -
The challenges of management: Recent experiences in implementing fisheries co‐management in Lake Victoria, Kenya
(2015-09)his study examined the efficacy of community‐level fishery co‐management organizations called Beach Management Units (BMUs) along the Kenyan shores of Lake Victoria. BMUs were established to enhance sustainable Lake Victoria ... -
Effects of chicken manure extract on the population growth, mixis induction and body size of the freshwater rotifer Brachionus angularis Gosse 1851
(Asian Fisheries Society, 2015-12-31)This study investigated the effects of chicken manure extract (CME) on the population growth, mixis induction and body size of the freshwater rotifer Brachionus angularis Gosse 1851. Four concentrations of CME (i.e.0.5, ... -
Aquaculture: a promising solution for food insecurity, poverty and malnutrition in Kenya
(AFRICAN SCHOLARLY SCIENCE COMMUNICATIONS TRUST (ASSCAT), 2016)Food insecurity remains one of the most visible dimensions of poverty. The increasing population amid competition for land and water resources means that the global demand for food will continue to increase. In Kenya, the ... -
Effect of replacing marine protein with hydrolyzed feather meal on growth, apparent digestibility and body composition of juvenile tilapias; Oreochromis mossambicus (peters, 1852)
(KENYA MARINE AND FISHERIES RESEARCH INSTITUTE, 2017)The effects of substituting hydrolyzed feather meal for fresh water shrimp meal on growth, apparent digestibility and body composition in tilapia Oreochromis mossambicus were evaluated under laboratory condition. Five ... -
Substitution of fish meal with sunflower seed meal in diets for Nile tilapia (Oreochromis niloticus L.) reared in earthen ponds
(Taylor & Francis, 2017-01-02)This study investigated sunflower seed meal (SSM) as dietary protein replacement of fish meal (FM) for Nile tilapia (Oreochromis niloticus) juveniles (initial mean weight of 19.8 ± 6.3 g) reared in earthen ponds for 210 ... -
Effect of starvation and accumulation of generations on mixis induction in offspring of the monogonont rotifer Brachionus manjavacas hatched from resting eggs
(Springer International Publishing, 2017-07-01)The effect of starvation on sexual reproduction in cyclic parthenogenetic rotifers has been studied using life history experiment. Short-time starvation of rotifers that experienced starvation immediately after hatching ... -
Culturing Brachionus rotundiformis Tschugunoff (Rotifera) using dried foods: application of gamma-aminobutyric acid (GABA)
(Springer International Publishing, 2017-07-01)This study investigated the population growth of the rotifer Brachionus rotundiformis (S-type) in batch cultures using dried Nannochloropsis oculata and Chlorella vulgaris with gamma-aminobutyric acid (GABA) supplementation. ... -
Studies on the development of low-cost and stable live food production technologies for tropical aquaculture: a case study of Rotifera (Family: Brachionidae)
(Nagasaki University's, 2017-09-20)Live food resources e.g. rotifers, copepods, cladocerans and Artemia are critical for successful fish larviculture. However, the hatchery production of these live foods depends on the availability of high density microalgae, ...
