Browsing Department of Fisheries and Natural Resources by Issue Date
Now showing items 21-40 of 107
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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 ... -
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 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 ... -
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, ... -
DETERMINATION OF FISH VALUE ADDED PRODUCT-PREFERENCES AMONG THE RESIDENTS OF WOTE TOWN, MAKUENI...
(Research gate, 2016)2012). Fish preferences and purchasing different attributes. According to (Polanco and Luna, 2010), food purchasing decisions are directed by cultural, psychological, lifestyles, culinary trends and diet restrictions. ... -
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 ... -
Effects of Nicotina tobacum (Linnaeus) on the survival and behavioral response of the freshwater leeches, Hirudinaria sp.
(2016-01-01)We investigated the efficacy of Nicotina tobacum as an anti-parasitic chemical to freshwater leeches of the genus Hirudinea, by assessing their behavioral and survival responses to different concentrations and ages of N. ... -
Lifetable demography and population growth of the rotifer Brachionus angularis in Kenya: influence of temperature and food density
(Taylor & Francis, 2016-08-19)Lifetable demography and reproductive traits of a Kenyan strain of the rotifer Brachionus angularis were investigated using individual and small batch culture approaches. The rotifer was identified morphologically before ... -
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 ... -
BLENDING FISHWASTES AND CHICKEN MANURE EXTRACT AS A LOW-COST AND STABLE DIET FOR PLANKTONIC LIVE FOOD PRODUCTION
(Ghent University, Belgium, 2017)The global increase of aquaculture has expanded the demand for the zooplankton as live foods for larviculture. Although freshly cultured microalgae is the common diet for zooplankton, microalgal culture protocols are ... -
A SIMPLE AND LOW-COST TECHNIQUE FOR CULTURING ROTIFERA WITHOUT MICROALGAE
(Ghent University, Belgium, 2017)So far, microalgae are the first choice diet for feeding rotifers (Maruyama et al., 1997), thanks to their excellent influence on rotifer growth rate (Hagiwara et al., 1997; Dhert et al., 2001; Yoshimatsu and Hossain, ... -
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 ... -
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. ... -
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 ... -
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, ... -
STATE OF CAGE CULTURE IN LAKE VICTORIA, KENYA
(KENYA MARINE AND FISHERIES RESEARCH INSTITUTE, 2018)Fishery development is one of the key global development goals embodied in agenda 2030 under the fourteenth Sustainable Development Goal (SDG), in which countries seek to support the restoration of fish stocks to improve ... -
Composting fishwastes as low-cost and stable diet for culturing Brachionus rotundiformis Tschugunoff (Rotifera): Influence on water quality and microbiota
(Elsevier, 2018-02-03)The demand for the rotifers BRACHIONUS spp., which is considered indispensable for larviculture, has increased considerably in the tropical countries. Although freshly cultured microalga is the common rotifer diet, the ...