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Now showing items 21-30 of 39
Small-scale aquaculture business planning in Cameroon
Type: Conference Paper
In Cameroon, the principal objective set out for the aquaculture sector is to sustainably improve farmer incomes. To be profitable and sustainable investments in aquaculture businesses need to achieve a scale sufficient ...
Production priorities overshadow genetic quality at African fish hatcheries
Type: Journal Article
Based largely on FAO programs that address rural poverty, small-scale hatcheries have been developed in Africa to produce catfish and tilapia fingerlings. Production practices that fail to maintain genetic diversity, ...
Comparison of African tilapia partial harvesting systems
Type: Journal Article
Three typical African partial harvesting systems and an unfished control were compared for gross yield. Fish grew undisturbed on an input regime based on that used by Malawian smallholding farmers for 122 days. Then, for ...
African aquaculture: realizing the potential
Type: Journal Article
Despite 40 years of research and development, and hundreds of millions of dollars spent, aquaculture is struggling to realize its high biophysical potential in Africa. Hampered by ineffective institutional arrangements and ...
Comparative analysis of the environmental costs of fish farming and crop production in arid areas
Type: Conference Paper
Using published data, 20 crop and 19 fish production systems were compared for efficiency of water and nutrient (nitrogen) use. In agriculture, rain-fed cassava was most efficient, followed by rain-fed beans, pivot-irrigated ...
Survival of Clarias gariepinus fry in earthern ponds: effects of composts and leaks
Type: Journal Article
To inform decisions on improving the yields of African catfish Clarias gariepinus fingerlings in earthen ponds, the hypothesis that composts and leaks were partly responsible for usually low and variable fry survivals was ...
Advanced nursing of Clarias gariepinus (Burchell, 1822) fingerlings in earthen ponds, through recycling of tilapia recruits
Type: Journal Article
In an attempt to improve the stocking size and yield of Clarias gariepinus, small fingerlings (average weight=3 g) of the type usually produced by African hatcheries were stocked together with tilapia (Oreochromis niloticus) ...
Participatory research boosts catfish egg, fry production in Cameroon
Type: Journal Article
The omnivorous African sharptooth catfish is a valuable species suitable for culture by smallholder farmers in Cameroon. A five-year research project that brought farmers together with research interests established simple, ...
Freshwater fish seed resources in Cameroon
Type: Book Chapter
The climate, land and water resources of Cameroon, combined with the high demand for fisheries products, makes this Central African country a high potential area for aquaculture. Fingerling availability and quality have ...
The WorldFish center and its relevance for integrated irrigation and aquaculture
Type: Book Chapter
The WorldFish Center (formerly known as ICLARM - the International Center for Living Aquatic Resources Management) was established in 1977 and since the mid 1980s has conducted research on rice-fish systems which are an ...