Due to the world’s rapidly growing population, which is expected to peak somewhere around 9.5 billion, food production will need to be massively increased over the next few decades. This increase must be achieved without further degrading the environment. The unit environmental footprint of food production must be significantly reduced from where it is today. This concept, termed sustainable intensification, applies as much to aquaculture as it does to other agricultural sectors.

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.

A summary of culture-based fisheries developments in Lao PDR based on publications, either in the primary literature, or as manuals and reports posted on the website of the Network of Aquaculture Centres in Asia-Pacific, that have originated from projects funded by the Australian Centre for International Agriculture research (ACIAR) since 1997.

The application of culture-based fisheries in Cambodian waters commenced with a project in sixteen small reservoirs located in four provinces. Initial consultations with the village communities responsible for the water regime management were held and their agreement obtained for monitoring and cooperating through the trial period. One common feature in all the reservoirs selected is the provision of a “conservation zone”, generally in the deeper areas of the water body, where fishing is prohibited.

Culture-based fisheries in village reservoirs of Sri Lanka is a communal activity involving agricultural farmers without prior experience in fisheries. Awareness programs have facilitated establishment of CBF in small village reservoirs. Dissemination of research findings through means such as production of a documentary film, publication of a monograph which was translated to several regional languages, and holding a series of regional workshops were instrumental for CBF development at the regional level.

Fish stocking in Indonesian lakes and reservoirs has been conducted for a long time. Since 1999, culture-based fisheries (CBF) practices based on scientific evidence such as using suitable fish species, consideration of the primary productivity, stocking density, economic evaluation and community participation, have been conducted in some reservoirs and lakes and have showed encouraging results. CBF is highly recommended and prioritised in small reservoirs with an area less than 200 ha.

Sri Lanka is blessed with a large number of irrigation reservoirs. Culture-based fisheries (CBF) in seasonal reservoirs was initiated in the 1980’s and the government has recognised CBF as an effective way of increasing fish supplies in rural areas, at affordable prices, while providing employment and income to farmers and thereby contributing towards alleviation of poverty. The role of fisher community based organisations and fisheries management for effecting successful CBF are discussed.

Releasing of giant freshwater prawn (Macrobrachium rosenbergii) for the purposes of stock enhancement and to create a fishery has been conducted in Thailand since the 1980s. Average age at harvest is around 6 to 8 months, with an average total length of 20 cm. Overall, the success of stocking M. rosenbergii is poor since the recapture rate is generally less than 5 %. However, the economic return is high.

In this paper, the culture-based fisheries in lakes are presented, with special reference to mandarin fish and mitten crab stocking in lakes in China. The stocking rate of mandarin fish is determined by food consumption rates, which are mainly related to water temperature and fish size, and prey fish productivity. A bioenergetics model of mandarin fish was established to predict the growth and consumption of prey fish in stocked lakes.

This book is the proceedings of the “Regional Consultation on Culture-Based Fisheries Development in Asia”, held in Siem Reap, Cambodia, 21-23rd of October 2014, under the auspices of the Australian Centre for International Agricultural Research (ACIAR), the Mekong River Commission (MRC) and the Network of Aquaculture Centres in Asia-Pacific (NACA). The consultation was jointly organised by NACA and the Fisheries Administration of the Royal Government of Cambodia.

In this issue:

Anti-microbials and alternatives. Successful demonstration of new model for rural development in Myanmar. Optimisation of Nile tilapia (Oreochromis niloticus) production in ponds based on improved farm management practices in Rwanda. EUS infection in freshwater fishes of Andhra Pradesh. Development of pond-reared broodstock / spawners of green mud crab Scylla serrata. ASEAN Gender Network launched. A two-tube nested PCR detection method for AHPND bacteria. 9th Regional Grouper Hatchery Production Training Course.

The twelfth meeting of NACA’s Technical Advisory Committee (TAC) was held in the coastal town of Cha-am, Thailand from 9-12 March. The TAC meets every two years to review NACA’s rolling work programme and propose amendments to realign it with the current needs of member governments and to account for new and emerging issues. In proposing changes, the TAC prioritises issues of common concern to member governments where there are prospects for regional collaboration.

Further training provided to aquaculturists in Fiji. Spatial planning for sustainable coastal shrimp production. Availability of grouper (Serranidae) fingerlings and seed in the coral reef of Son Tra Peninsula, central Viet Nam. Small-scale carp seed production through portable FRP hatchery at Khanguri, Odisha. Regional consultation on culture-based fisheries developments in Asia. Gender Assessment Synthesis Workshop. Broodstock management in aquaculture. Urgent appeal to control spread of the shrimp microsporidian parasite Enterocytozoon hepatopenaei (EHP).

A regional consultation was held to discuss culture-based fisheries development in Asia from 21 to 23 October 2014 in Siem Reap, Cambodia. The consultation was funded by the Australian Centre for International Agricultural Research as part of the project Culture-based fisheries development in Lao PDR and Cambodia. The consultation provided the opportunity to discuss the outcomes of a series successful projects that have been implemented over the past decade in the Asian region.

The main objective of this symposium is to provide a venue for information sharing on extension of small-scale aquaculture, specifically targeted to those individuals and relevant organizations involved in various aquaculture development projects. The symposium will also assess and present the effectiveness of “farmer-to-farmer extension” approach in the implementation of relevant aquaculture development projects in the region. The symposium was organised for stakeholders in JICA-assisted projects in SE Asia and Africa.

In this issue:

Labour issues in the fishing and aquaculture industries. Commercial tilapia farming at take-off point in Fiji. Tank based captive breeding and seed production of the pearlspot (Etroplus suratensis). Cage culture of pearlspot in Kerala, India. Culture-based fisheries exchange visit from Lao PDR to Cambodia. National Fish Day, Cambodia. WAS Adelaide: Special Session on Regional Cooperation for Improved Biosecurity. Inbreeding and disease in tropical shrimp aquaculture: A reappraisal and caution.

The symposium provided a venue for information sharing on extension of small-scale aquaculture targeted to those individuals and relevant organisations involved in various aquaculture development projects. The symposium also assessed and presented the effectiveness of “farmer-to-farmer extension” approaches in the implementation of relevant aquaculture development projects in the region. The symposium was organised by the Japan International Cooperation Agency (JICA), NACA and the Thai Department of Fisheries. 

In this issue:

International Symposium on Small-scale Freshwater Aquaculture Extension, 2-5 December, Bangkok. 12th Meeting of the Asia Regional Advisory Group on Aquatic Animal Health. National Workshop on EMS/AHPND of Cultured Shrimp held in India. Report on early mortality syndrome / acute hepatopancreatic necrosis syndrome of shrimp. Sustaining Ethical Aquaculture Trade Newsletter. India and the AFSPAN Project. Report on AFSPAN Chilean survey. Feeding and feed management of Indian major carps in Andhra Pradesh.

Many attempts to extend small-scale inland aquaculture have been made so far in many parts of Asia and some parts of Africa. According to lessons learnt from these experiences, stable seed production is the most decisive factor to develop freshwater fish farming in poor rural areas. Seed production technology, with ensuring the supply of good quality brood stock, should firmly be built. Seed production will be highly commercialised, contributing to a growth of local economy.

Small aquaculture farm holders are experiencing some drastic changes, the shift from household consumption focused subsistent production to market oriented commercial production and external environment changes such as tightening governance on environment impacts control and resource allocation and increasingly stringent standard for food safety and quality. To adapt to the changes, the small-scale farmers need to intensify, diversify and commercialise production, which requires better management.