Search
Now showing items 31-40 of 108
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 ...
Seasonality, labor and integration of aquaculture into southern African smallhold farming systems
Type: Journal Article
Fish production on Malawian smallholdings is generally limited by the quantity and quality of inputs to the pond (Brummett and Noble 1995). The timing of labor availability and other farm activities limit the amount farmers ...
Rice/carp farming in the Philippines and cultural acceptance
Type: Journal Article
In response to inland fisheries demands for more manageable species of fish, development agencies in the Philippines have turned some attention to common carp (Cyprinus carpio) and its culture in rice paddies. Tilapia, ...
Identification of Tilapia Lake Virus in Egypt in Nile tilapia affected by 'summer mortality' syndrome
Type: Journal Article
Egyptian fish farms have faced unexplained mortality of tilapia during the summer months in recent years. Epidemiological surveys indicated that 37% of fish farms were affected in 2015 with an average mortality rate of ...
Study on feeding habits of Piaractus mesopotamicus (Pacu) larvae in fish ponds
Type: Journal Article
A limnological study of the artificial fish pond and an analysis of the stomach contents of pacu (Piaractus mesopotamicus) larvae of 2 to 45 days age were made for a period of 45 days to evaluate their feeding preferences. ...
Effect of planting pattern on shading and phytoplankton photosynthesis in Bangladesh rice-fish farms
Type: Journal Article
In the present study, a Border Planting (BP) pattern recommended by the Bangladesh Agricultural Research Council was tested against Regular Planting (RP) to assess the effect, if any, on gross phytoplankton photosynthesis ...
Making experiment station results more useful to African fish farmers
Type: Journal Article
Rather than using more or less ideal conditions for setting experimental controls, the use of conditions similar to those likely to be encountered by farmers should produce research results which are realistically achievable ...