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Innovation platforms in agricultural research for development: Ex-ante appraisal of the purposes and conditions under which innovation platforms can contribute to agricultural development outcomes
Type: Journal Article
Innovation platforms are fast becoming part of the mantra of agricultural research for development projects and programmes. Their basic tenet is that stakeholders depend on one another to achieve agricultural development ...
Predicting self-recruitment in marine populations: biophysical correlates and mechanisms
Type: Journal Article
Mounting evidence suggests that some populations of benthic marine organisms may be less demographically ‘open’ than previously thought. The degree to which a population receives recruits from local sources versus other ...
Heavy metals concentrations in water and fish of some Egyptian lakes and fish ponds
Type: Journal Article
Five heavy metals namely, cadmium, copper, iron, lead, and zinc were determined in water and fish samples obtained from three different lakes and fishponds in Egypt over nine months to assess pollution with those toxic ...
Analysis of research for the development of tilapia farming: an interdisciplinary approach is lacking
Type: Journal Article
Tilapias, particularly Oreochromis spp., are farmed throughout the tropics and subtropics but most of the production comes from a few Asian countries. Global production increased by about 13%/yr from 1985 to 1989. A global ...
Comparison of Asian aquaculture products by use of statistically supported life cycle assessment
Type: Journal Article
In this article, the authors investigated aquaculture production of Asian tiger shrimp, whiteleg shrimp, giant river prawn, tilapia, and pangasius catfish in Bangladesh, China, Thailand, and Vietnam by using life cycle ...
Effect of nitrogen fertilizer source on water quality and performance of two tilapia species
Type: Journal Article
The purpose of the present study was to compare the effect of urea and calcium nitrate (c. nitrate) as nitrogen fertilizer sources with mono superphosphate (msp) on water quality and the performance of two species of tilapia ...
Targeting agricultural research and extension for food security and poverty alleviation: a case study of fish farming in Central Cameroon
Type: Journal Article
Over 5 years of participatory on-farm research, market access, profitability, farming systems productivity and economic sustainability were compared on 100 small-scale farms in Central Cameroon. Integration technology based ...
The Genetic Improvement of Farmed Tilapias (GIFT) project: the story so far
Type: Journal Article
This issue of Naga features three articles about a project on the Genetic Improvement of Farmed Tilapias (GIFT) and a related article on the trend to genetic deterioration in some carp hatcheries. The first is on the genesis ...
Investing in Africa: the WorldFish Center's African strategy in summary
Type: Journal Article
Across much of Africa, freshwater and coastal fisheries provide an important source of food and livelihood for many millions of people. In addition, the aquaculture potential of the continent has only recently begun to be ...
Growth and survival rate of three genetic groups fed 28% and 34% protein diets
Type: Journal Article
The strain by nutrition interaction in body weight and survival rate was examined by testing three genetic groups (Selection and Control lines of the GIFT strain, and Red tilapia) at two levels of protein in the diet (28% ...