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Now showing items 21-30 of 51
Can nitrogen pollution from aquaculture be reduced?
Type: Journal Article
Nitrogen is essential for the normal growth of fish. It is an important ingredient in fish feed but is very expensive. There is evidence that nitrogen loading from feeding and metabolic activities of fish can cause pollution ...
Reducing feed costs in semi-intensive finfish culture: an update on mixed feeding schedules and an idea for enhancing endogenous food supply in ponds
Type: Journal Article
Some interesting ideas on improving the cost-effectiveness of feeding in semi-intensive finfish aquaculture are presented.
Evaluation of the carcass and commercial characteristics of carps
Type: Journal Article
The role of carcass evaluation techniques in aquaculture research programs, especially in genetics, breeding, production management, feeding and nutrition, cannot be overemphasized. Knowledge of production efficiencies and ...
Using the growth performance index Phi to choose species aquaculture: an example from Kuwait
Type: Journal Article
Following a brief account of the advantages of using the growth performance index in choosing species for culture purposes, an examination is made of growth parameters of Epinephelus suilis and Acanthopagrus cuvieri chosen ...
Production economics of Nile Tilapia (Oreochromis niloticus) pond culture in El-Fayum Governorate, Egypt
Type: Journal Article
Econometric techniques were used to estimate a production function for tilapia pond culture in El-Fayum Governorate, Egypt, utilizing cross-sectional field data. Explanatory variables were feed, initial stocking weight, ...
Fishpen culture as a new production system in dammed valleys in the mid-Casamance, Senegal
Type: Journal Article
Fishpen culture is a possible means to increase fish production in Casamance, Senegal and to develop aquaculture without negative environmental effects. To study this possibility, a fishpen study was conducted in two dammed ...
The farming practices and economics of aquaculture in Thailand
Type: Journal Article
The paper reviews freshwater and coastal aquaculture practices in Thailand, and compares the productivity, costs, and benefits across various types of cultivation and various intensities of production. The paper is based ...
Socioeconomic factors that influence the adoption of small-scale rural fish farming at household level in Zimbabwe
Type: Journal Article
The study compares the socioeconomic profile of fish and nonfish farming households in three different agroecological regions in Zimbabwe. Some of the direct socioeconomic factors that influence the adoption of small-scale ...
Wastewater use in aquaculture: research in Peru
Type: Journal Article
Use of wastewater is an issue gaining importance throughout the (developing) world, as water sources become scarcer and competition for them increases. In Peru, research has shown the technical, economic and social feasibility ...
Linking small-scale fisheries and aquaculture to household nutritional security: an overview
Type: Journal Article
Small-scale fisheries and aquaculture have been recognized as important opportunities to enhance household food security in developing countries. While interventions aiming at promoting these activities reveal many positive ...