Search
Now showing items 31-40 of 77
Impacts of fish sanctuaries on production and biodiversity of fish and prawn in Dopi beel, Joanshahi haor, Kishoregonj.
Type: Journal Article
The impacts of sanctuary on fish production and fish biodiversity were investigated in Dopi beel in Joanshahi haor over a period of two years from January 2004 to December 2005. Broadly two different types of materials ...
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, ...
River-based artificial propagation of the African catfish Clarias gariepinus: an option for the small fish farmer
Type: Journal Article
A cheap method of propagating the African catfish, Clarias gariepinus, by incubating the fertilized eggs in a cage placed directly in a flowing river is described. Hatching ranged between 39 and 70%. This is not significantly ...
Freshwater fish seed resources and supply: Africa regional synthesis
Type: Book Chapter
The availability and quality of fingerlings for stocking in aquaculture ponds have repeatedly been identified as a key constraint to the development of aquaculture in Africa. Government hatcheries have generally failed to ...
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 ...
The social relations of catfish production in Vietnam
Type: Journal Article
The growth of intensive export-oriented Pangasius catfish production in Vietnam’s Mekong Delta is unparalleled in terms of rapidity and scale by any other agricultural sector, with production climbing from a low base to ...
The evolution of body muscle composition of the African catfish (Clarias gariepinus) (Burchell 1822)
Type: Journal Article
Changes in body muscle composition of Clarias gariepinus were studied in fish reared from 1.08 g to 383 g mean body weight in a 201-day culture period. Changes in the amount of protein content, dry matter and ash free dry ...
Effect of totally or partially replacing fish meal by alternative protein sources on growth of African catfish Clarias gariepinus (Burchell, 1822) reared in concrete tanks
Type: Journal Article
A 12-week feeding trial was carried out in concrete tanks to examine complete and partial replacement (75%) of fish meal (FM) with poultry by-product meal (PBM), meat and bone meal (MBM) and soybean meal (SBM) in practical ...
The economics of catfish farming in central Thailand
Type: Report
A survey of 41 catfish farms was undertaken to ascertain why production has been falling since 1974. The major factors influencing production were found, and guidelines for increased profitability provided.
Quick fish sampling guide for disease diagnostics - Microbiome sampling guide
Type: Tool
Interactions between microbes associated with the host, other organisms present in the system and the environment itself are increasingly recognised to contribute to aquatic animal diseases. Those microbiome assemblages ...