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Species selection for smallholder aquaculture
Type: Journal Article
Systems for selection of species for smallholder aquaculture are presented. These are: food fits; management decisions; and economic criteria. Food fits suggests categorizing pond food resources into a few categories based ...
Fry production of Shire River tilapia Oreochromis shiranus at two broodstock sex ratios
Type: Journal Article
Optimal sex ratio in tilapia breeding ponds depends upon stocking density. However, under certain circumstances, altering the male: female sex ratio from a more or less natural 1:1 to 1:2 or even higher has been shown to ...
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 ...
Use and exchange of aquatic genetic resources for food and aquaculture: clarias catfish
Type: Journal Article
There are 58 species of Clarias recognized in FishBase (as of January 2009), 33 in Africa and 25 in Asia. Aquaculture of clariids is important with 30 countries reporting a total production of over 300 000 t worth nearly ...
Analysis of aquaculture investments in periurban Yaounde, Cameroon
Type: Journal Article
To better understand the key components of aquaculture production in periurban Africa, the farming systems and profitability of five semi-intensive fish culture investments within 35 km of the centre of Yaoundé, Cameroon ...
The context of smallholding integrated aquaculture in Malawi: a case study of SubSaharan Africa
Type: Journal Article
What direction should SubSaharan African agriculture take — industrialized or smallholder agriculture? The author says that a compromise, using the best elements of each, would be best, but in order to develop a strategy, ...
The commercial fishery of the middle Nyong River, Cameroon: productivity and environmental threats
Type: Journal Article
Fishing methods, catches, fish species diversity, water quality and diets were examined in the middle Nyong River basin of south-central Cameroon over five years. Out of 79 indigenous species from the upper and middle Nyong ...
Farming fish to save water
Type: Journal Article
Author's comment on the farming of fish as a efficient means in terms of water use.
Relative Importance of Various Predators in Clarias gariepinus Fry Mortality in Cameroon
Type: Journal Article
To estimate the relative importance of the most common predators of Clarias gariepinus fry, increasing levels of protection were afforded to exclude amphibians, aquatic arthropods and birds. At a stocking density of 10 ...
Protocols for the development of indigenous species: polyculture of indigenous species under Malawian smallholder conditions
Type: Journal Article
Shire tilapia, Oreochromis shiranus shiranus (Boulenger 1897), was grown in monoculture and polyculture with either straightfin barb, Barbus paludinosus (Peters 1852), or threespot barb, Barhus trimaculatus (Peters 1852), ...