Search
Now showing items 21-30 of 99
Aquaculture development in Nepal: pointers for success
Type: Journal Article
An account is given of carp (Cyprinidae) pond culture and cage culture systems in Nepal. Advances made in aquaculture development and future trends in the country are examined.
The financial feasibility of small-scale grouper aquaculture in the Philippines
Type: Journal Article
This paper presents the results of an economic analysis of the aquaculture of two species of grouper: E. coioides (orange-spotted grouper, green grouper, red-spotted grouper) and E. malabaricus (malabar grouper, black-spotted ...
Effect of the filter-feeder silver carp on the water quality of fertilized earthen ponds and Nile tilapia production
Type: Journal Article
The objective of this study is to test the effect of silver carp on water quality and tilapia yield.
Measuring individual feed efficiency and its correlations with performance traits in Nile tilapia, Oreochromis niloticus
Type: Journal Article
Estimating individual feed intake of fish held in groups has long been a challenge precluding precise knowledge of the individual variation of feed efficiency (FE) in fish. In this study, counts of the number of feed pellets ...
Effects of stocking density on production and economics of all-male tilapia (Oreochromis niloticus) culture in a rain fed rice-fish ecosystem
Type: Journal Article
Effects of stocking density on the growth, production, and economics of all-male tilapia (Oreochromis niloticus) were investigated in a rain-fed rice-fish ecosystem for a period of 120 days. Fish were stocked at the rate ...
Fish pens of Laguna de Bay, Philippines
Type: Journal Article
Laguna de Bay, the largest lake in the Philippines, has a catchment of about 290,000 ha, a surface area of about 90,000 ha, an average depth of 2.8 m and temperatures of 22-34°C, with little or no thermal stratification. ...
Nachhaltiges fish farming in Asien: potenziale und risiken
Type: Journal Article
Die Aquakultur ist in den vergangenen 15 Jahren in Asien erheblich expandiert und liefert fast die Hälfte der weltweiten Fischversorgung von 65 Millionen Tonnen. Eine besondere Bedeutung hat die Aquakultur in Entwicklungsländern ...
Snail control by fish: an explanation for its failure
Type: Journal Article
Systematic studies on the performance of fish as snail eaters in waterbodies are rare. Here, trials with a promising African cichlid (Astatoreochromis alluaudi) revealed that the fish were only successful at reducing snail ...
Status and economics of freshwater aquaculture in selected countries of Asia
Type: Journal Article
The paper discusses the status of freshwater aquaculture, and the productivity and cost effectiveness of alternative technologies in the major fish producing countries in Asia, such as Bangladesh, China, India, Indonesia, ...
Low cost breeding and hatching techniques for the catfish (Heteropneustes fossilis) for small-scale farmers
Type: Journal Article
The high demand for the stinging catfish (Heteropneustes fossilis) and declining wild stocks led the Centre for Aquaculture Research and Extension of India to look for methods for the culture of the species. This paper ...