Sustainable aquaculture and aquatic resources management

Culture-based fisheries: A low-tech, greenhouse friendly approach to improving food and income for Cambodian families

Author(s): Simon Wilkinson | Published: 13/4/2017 | 192 views

Improvements to fish yield in small water bodies as well as to the incomes and nutritional status of rural communities have been demonstrated in Laos, Sri Lanka and Vietnam but culture-based fisheries practices are not yet widespread, despite having significant potential in tropical climates. A project to introduce culture-based fisheries to Cambodia is described. Participating communities reported improved catch per unit effort, an increase in the number of people engaged in fishing and lower food costs.

Bangana dero: A potential indigenous fish species for diversification of carp culture in north east India for sustainable aquaculture

Author(s): Ch. Basudha, N. Sobita Devi and Sinthoileima, Ch. | Published: 12/4/2017 | 185 views

Bangana dero is one of the most popular indigenous minor carps in the north eastern states of India, fetching triple the market prices of Indian major carps. B. dero is a bottom feeder and feeds on insect larvae, molluscs, algae, zooplankton and detritus. Over the last two decades the occurrence of wild juveniles of this fish in Indian rivers has fallen drastically. A protocol for induced breeding, larviculture, nursery rearing and growout including polyculture of B. dero is described.

Shell colour variation in farmed Litopenaeus vannamei: Comparison of white shell (regular) and brown shell (unusual) L. vannamei

Author(s): B. Madhusudana Rao, P. Viji and Jesmi Debbarma | Published: 12/4/2017 | 185 views

The regular shell colour of farmed Litopenaeus vannamei is off -white to greenish-white but instances of L. vannamei with brown-shell colour do occur in farmed shrimp. A study was conducted to determine if there were differences vis-à-vis shell colour, meat colour, meat composition and meat texture. White-shelled vannamei was determined to be better in terms of meat composition and texture profile but brown-shelled vannamei yielded a more brightly red-coloured cooked product.

Practical significance of restricted feeding regime in aquaculture

Author(s): Kumar, P., Arun Sudhagar, S., V. Harikrishna and Manish Jayant | Published: 11/4/2017 | 142 views

Feed is the most expensive component of an aquaculture enterprise. Successful cultured fish production requires optimisation of feeding practices to ensure the most economically effective growth rates. Reducing feed costs for culture practices can be achieved by taking the advantage of restricted feeding strategies. Under a restricted feeding regime fish convert a greater portion of feed to body weight. Case studies of restricted feeding are presented for several species and the costs savings and other benefits are briefly discussed.

Participatory market chain approach: An unidentified sustainable supply chain model to boost fish nurseries

Author(s): Shailesh Gurung | Published: 7/4/2017 | 148 views

In Nepal, low quality and seasonal access to fish seed is an important restriction on the development of the aquaculture sector. Commercialisation of fish farming cannot progress rapidly in the absence of critical inputs and a regular supply of quality fish seed is an integral requirement for the transition of fish farming from a subsistence activity to a commercial enterprise. Participatory market chain approaches are a key tool for the social and economic improvement of farmers and market participants.

Traditional community fishing practices of rural Kamrup of Assam

Author(s): Deepjyoti Baruah | Published: 7/4/2017 | 63 views

Community fishing is a unique feature in the state of Assam, India. The present case study narrates a community fishing event in the floodplain wetlands (beels) of Kamrup District in Assam, India, witnessing participation of different tribal communities in fishing and the modus operandi of diverse types of fishing gears with catch details. The design details of the gear were documented. The communal fishing practices of local communities are described along with the respective roles of men and women.

Report of the fifteenth meeting of the Asia Regional Advisory Group on Aquatic Animal Health, 21-23 November 2016

Published: 28/2/2017 | 386 views

The Asia Regional Advisory Group on Aquatic Animal Health meets annually to discuss regional health issues including emerging disease threats. This report includes a review of regional disease status circa 2016, global and regional disease reporting arrangements, global issues and standards, progress in implementation of the the Regional Technical Guidelines on Health management for the Responsible Movement of Live Aquatic Animals, identification and designation of regional aquatic animal health resources and regional and international cooperation.

Quarterly Aquatic Animal Disease Report Q3 2016

Published: 7/2/2017 | 543 views

The 72nd edition of the Quarterly Aquatic Animal Disease Report contains information from 12 governments. The foreword provides information about the 15th Meeting of the Asia Regional Advisory Group on Aquatic Animal Health.

Aquaculture Asia Magazine, Vol. XX No. 4, October-December 2015

Published: 27/1/2017 | 856 views

In this issue:

Aquaculture feed supply chain attracting scrutiny. Pond beauty contest, Ram Kumar and social development. Culture modes of giant freshwater prawn in Yangtze River Delta for early harvest. Fish marketing in Kashmir, India - a case study of Srinagar. Community-based integrated fish-duck farming: A boon for rural development in agro-climatic conditions of Assam, India. Gastropod and bivalve fishery of Kakinada Bay, Andhra Pradesh, India: Management and conservation issues.

Aquaculture Asia Magazine, Vol. XX No. 3, July-September 2015

Published: 26/1/2017 | 753 views

In this issue:

Changes to the magazine and website. Status of alien fish species farming and it's implications for Andhra Pradesh, India. Bridging the research-extension-farmer-input and market linkage gap in coastal aquaculture through application of ICT. Bio-remediation of domestic sewerage recycled in aquaculture: A Central Institute of Freshwater Aquaculture model. Role of family farming in marine and coastal ecosystem management in India. Conservation of fish genetic resources: An introduction to the state fishes of India.

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