About
65
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Introduction
Experienced Senior Professional with a demonstrated history of working in the international affairs organisations including Food and Agriculture Organization of the United Nations. Skilled in Food Security, Sustainable Development, International Relations, Proposal Writing, and Non-Governmental Organizations (NGOs). Strong professional background with a Doctor of Philosophy (Ph.D.) focused on Aquaculture and Aquatic Animal Nutrition from The University of Stirling, Scotland, United Kingdom.
Current institution
Additional affiliations
September 1982 - August 1986
August 1980 - October 2004
October 2004 - August 2017
Position
- Aquaculture Officer
Description
- Responsible for planning, promoting, implementing and providing technical support to programmes and activities in the fields of aquaculture, with a particular emphasis on aquatic animal nutrition and aquafeed.
Education
August 1973 - June 1977
Publications
Publications (65)
The Vietnamese striped catfish (pangasius) production sub-sector is characterized by intensive pond production technology and high-quality production inputs. In 2014, annual production of pangasius was 1,143,797 t. The key actors in the value chain comprise input suppliers, including feed ingredients suppliers, feed manufacturers, and hatchery oper...
Global aquaculture makes an important contribution to food security directly (by increasing food availability and accessibility) and indirectly (as a driver of economic development). In order to enable sustainable expansion of aquaculture, we need to understand aquaculture’s contribution to global greenhouse gas (GHG) emissions and how it can be mi...
The project sought to identify the factors that contribute to the strengthening,
empowerment and sustainability of aquaculture-related associations for small-scale
farmers and operators. To pursue this objective, a methodology was designed to obtain
and generate three sets of major information resources: conduct of case studies in
five Asian countr...
Global aquaculture makes an important contribution to food security directly (by increasing food availability and accessibility) and indirectly (as a driver of economic development). In order to enable sustainable expansion of aquaculture, we need to understand aquaculture’s contribution to global greenhouse gas (GHG) emissions and how it can be mi...
The study sought to characterize Viet Nam’s pangasius aquafeed value chain and identify constraints to feed supply and use. Its key objectives were to identify and map the pangasius aquafeed value chain and characterize the roles of different actors and linkages along the value chain; assess the performance of the value chain; and evaluate the on-f...
For the Kyrgyz Republic, an aquafeed value chain analysis was conducted, and a business plan for establishing a small-scale feed mill was developed. The results are based on a review of publications, and institutional, policy, and legislative documents, and the data from surveys, observations, focus group discussion, and interviews with key individ...
Total farmed shrimp production in Bangladesh increased from 14 773 tonnes in 1986 to 132 730 tonnes in 2016. In parallel with contribution of the shrimp sector to the local and national economy of the country, it has caused some negative impacts on local ecosystems. This includes deterioration of soil and water quality, depletion of mangrove forest...
In almost all fed systems, feed takes up the major share of the production cost. This basic economic issue faced by the milkfish and tilapia farmers of the Philippines became the key to the solutions embedded in the guidelines described in this publication. The guidelines that prescribe their application range from policy and regulations that provi...
In order to estimate the possible scale of greenhouse gas emissions in aquaculture in Asia, a study was carried out on three aquaculture systems: Nile tilapia in Bangladesh, Indian major carps in India and striped catfish in Viet Nam. The analysis was intended to improve the understanding of where and how GHG emissions arise in Asian aquaculture, w...
This FAO Non-Serial Publication presents a narrative report of an FAO/GSI workshop held
in Liberia, Costa Rica including the conclusion and recommendations, summaries of technical presentation given at the workshop, a compendium of the PowerPoint presentations made in workshop, and an excel-based greenhouse gas tool for quantifying greenhouse gas e...
This document presents the findings of an FAO TCPF Project “Identification and understanding of key technical, economic and social constraints to seed and feed production and management in Bangladesh”. The objectives of this project were to investigate the status and constraints of the aquaculture seed and aquafeed subsectors. The project identifie...
The National Aquaculture Development Strategy and Action Plan of Bangladesh 2013–2020 was formulated through a series of stakeholders’ consultations that spanned a year between 2012 and 2013. It was reviewed and endorsed by the National Working Committee for the Sustainable Development of Aquaculture Industry at its first meeting held on 4 Septembe...
This technical paper provides a comprehensive review of on-farm feeding and feed management practices in aquaculture. It comprises of a) ten case studies on feeding and feed management practices carried out in seven selected countries of Asia and Africa for eight species that belong to four major farmed species of freshwater finfish and shellfish;...
This technical paper reviews the aquaculture of Indian major carps with special reference to current feeding and feed management practices in Andhra Pradesh, India. The study is based on a survey of 106 farmers from four regions in Andhra Pradesh (Kolleru, Krishna, West Godavari, and Nellore). While the study primarily focused on the feed managemen...
This technical paper presents the findings of an FAO Regional Technical Cooperation Project on the use of trash fish/low-value fish and pellets as feed for marine cage farming. Implemented in China, Indonesia, Thailand and Viet Nam, its components included a farmers’ participatory on-farm trials and a concurrent survey of farmers’ perceptions conce...
The rise into global prominence and rapid growth of finfish and crustacean aquaculture has been due, in part, to the availability and on-farm provision of feed inputs within the major producing countries. More than 46 percent of the total global aquaculture production in 2008 was dependent upon the supply of external feed inputs. For the aquacultur...
The present technical paper presents an up-to-date overview of the major feed ingredient sources and feed additives commonly used within industrially compounded aquafeeds, including feed ingredient sources commonly used within farm-made aquafeeds, and major fertilizers and manures used in aquaculture for live food production. Information is provide...
This technical paper provides a comprehensive review of the use of wild fish as feed inputs for aquaculture covering existing practices and their sustainability as well as implications of various feed-fish fisheries scenarios. It comprises four regional reviews (Africa and the Near East, Asia and the Pacific, Europe, and Latin America and North Ame...
This technical paper provides a comprehensive overview of feed and fertilizer use
for sustainable aquaculture development in developing countries. It comprises a series of review papers, including eight country reviews from Asia, six country reviews from Africa, one case study report from Asia, three regional reviews (Asia, Latin America and sub-Sa...
This technical paper provides an analysis of the economic implications of, and the reasons for, adopting various feeding practices for different fish species and aquaculture systems in Asia. It comprises of six selected country case study reports from Asia (Bangladesh, China, India, the Philippines, Thailand and Viet Nam) and an overall synthesis e...
These technical guidelines on the use of wild fish as feed in aquaculture have been developed in support of Article 7 (responsible fisheries management) and Article 9 (aquaculture development) of the FAO Code of Conduct for Responsible Fisheries, and in particular in support of Articles 9.1.3, 9.1.4 and 9.4.3. The objectives of the guidelines are t...
Although aquaculture’s contribution to total world fisheries landings has increased ten-fold from 0.64 million tonnes in 1950 to 54.78 tonnes in 2003, the finfish and crustacean aquaculture sectors are still highly dependent upon marine capture fisheries for sourcing key dietary nutrient inputs, including fishmeal, fish oil and low value trash fish...
The fishery sector currently plays a minor role in development of the rural economy of Tajikistan. Its contribution to the country’s Gross National Product was in recent years less than 0.1 percent. Despite the availability of extensive water resources (ponds, reservoirs, lakes, rivers and channels), fish production has fallen from 4 000 tonnes in...
The FAO Expert Workshop on the Use of Wild Fish and/or Other Aquatic Species as Feed in Aquaculture and its Implications to Food Security and Poverty Alleviation was convened in Kochi, India, from 16 to 18 November 2007. It was attended by a wide range of researchers, development specialists and industrial experts in aquaculture from around the glo...
The workshop was hosted jointly by WorldFish and the Department of Fisheries (DOF) Bangladesh, with financial assistance from FAO. The 60 workshop participants were policy-makers, professionals and practitioners. Presentations covered the understanding of climate change impacts and fisheries, adaptation for fisheries and aquaculture to the adverse...
This report comprises the workshop proceedings and the strategy for regional cooperation that was developed by the participants; the latter was the principal output of the workshop. The major inputs to the discussions to craft the strategy were the country reports that described their priorities in five areas, namely research and technology develop...
The FAO Expert Workshop on “On-farm feeding and feed management in aquaculture” was convened in Manila, the Philippines, from 13–15 September 2010. The workshop was attended by a wide range of aquaculture researchers, development specialists and industrial experts from around the world. The workshop was convened by the FAO Fisheries and Aquaculture...
The FAO Expert Workshop on ‘Sustainable Use and Management of Artemia Resources in Asia’ was convened in Tianjin, China, from 7–9 November 2016. The workshop was attended by a number of key specialists in Artemia study from around the world. The workshop was convened by the FAO Fisheries and Aquaculture Department, Aquaculture Branch (FIAA) and was...
Two major carps, rohu (Labeo rohita) and silver carp (Hypophthalmichthys molitrix) were selected to study the feasibility of using floy tag (FT) and visible implant fluorescent elastomer (VIE) marker for 120 days. The recovery rate of FT, VIE and control fish of rohu was 82, 86 and 90%, and of silver carp was 76, 80 and 82% respectively at the end...
Comparisons of production, water and energy efficiencies of aquaculture versus an array of fisheries and terrestrial agriculture systems show that non- fed aquaculture (e.g. shellfish, seaweeds) is among the world’s most efficient mass producer of plant and animal proteins. Various fed aquaculture systems also match the most efficient forms of terr...
It is estimated that about 29 million tonnes of farmed fish and crustaceans (44.5 percent of the total global aquaculture production in 2007) is dependent upon the supply of external nutrient inputs provided in the form of fresh feed items, farm-made feeds or commercially manufactured feeds. Total industrial compound aquafeed production has increas...
The rise into global prominence and rapid growth of finfish and crustacean aquaculture has been due, in part, to the availability and on-farm provision of feed inputs within the major producing countries. More than 46 percent of the total global aquaculture production in 2008 was dependent upon the supply of external feed inputs. For the aquacultur...
This paper examines production costs and returns of sutchi cat¢sh (Pangasianodon hypophthalmus) aquaculture under three di¡erent farming systems in Bangla-desh. Based on the production technology, sutchi cat¢sh farming is classi¢ed as extensive, semi-intensive and intensive. Results showed that sutchi cat¢sh farming is pro¢table irrespective of the...
It is estimated that about 29 million tonnes of farmed fish and crustaceans (44.5 percent of the total global aquaculture production in 2007) is dependent upon the supply of external nutrient inputs provided in the form of fresh feed items, farm-made feeds or commercially manufactured feeds. Total industrial compound aquafeed production has increas...
Background/Question/Methods Biodiversity of fish in beels (natural depressions) have been impacted because of high population pressure, over exploitation and indiscriminate use of fine meshed gears. Additionally, the effects of extensive flood control and irrigation activities have reduced the fish biodiversity and yield in many beels through silta...
Background/Question/Methods
The beels or floodplain lakes are unique ecosystem supporting huge and diverse biodiversity, as represent the transition between land and water. In recent years, however, such beels have been subjected to indiscriminate exploitation leading to aberrations at various trophic levels. Most of the lakes are reeling under hi...
Farmed fish and crustaceans are no different from terrestrial livestock in that their nutritional well-being and health is based on the ingestion and digestion of food containing 40 or so essential dietary nutrients, including specific proteins and amino acids, lipids and fatty acids, carbohydrates and sugars, minerals, vitamins, energy, and water....
With around three quarters of the world’s capture fisheries fully or overexploited, aquaculture is seen as the main source for future growth of fish production. Given this finite state of affairs, this paper examines the role of “feed” fisheries in fish and animal farming and considers whether the direct human consumption of these resources might b...
This technical paper presents a global review on the use of aquatic macrophytes as feed for farmed fish, with particular reference to their current and potential use by small-scale farmers. The review is organized under four major divisions of aquatic macrophytes: algae, floating macrophytes, submerged macrophytes and emergent macrophytes. Under fl...
This technical paper presents a global review on the use of aquatic macrophytes as feed for farmed fish, with particular reference to their current and potential use by small-scale farmers. The review is organized under four major divisions of aquatic macrophytes: algae, floating macrophytes, submerged macrophytes and emergent macrophytes. Under fl...
It is now widely recognized that the rising demand for aquatic products will have to be met by aquaculture. The future of aquaculture will depend on how well it meets this challenge. The contribution of aquaculture to total fishery products (excluding plants), globally, has steadily increased from 4 percent in 1970 to 36 percent in 2006 and is cont...
Spirulina are multicellular and filamentous blue-green microalgae belonging to two separate genera Spirulina and Arthrospira and consists of about 15 species. Of these, Arthrospira platensis is the most common and widely available spirulina and most of the published research and public health decision refers to this specific species. It grows in wa...
Duplicate static bioassays were conducted for 168 h each to determine the median lelhal concentration (LC50) of nitrite (NO−2) for common carp, Cyprinus carpio L., fry at five different chloride (Cl−) levels. The acute toxicity of nilrite ceased towards the end of 96 h at all levels of chloride concentration. There was a highly significant positive...
An investigation was conducted under laboratory conditions to determine the optimum food particle size of an inert diet for common carp fry ranging in size from 15 to 466mg body weight and 13 to 31 mm total length (TL). Speed of consumption of a standard quantity of food was used as a measurement of feeding preference/efficiency for different parti...
Pangasius hypophthalmus is an indigenous fish species of Thailand that has spread to Vietnam, Malay-sia, Indonesia, China, and other countries. Locally known as pangus, it was introduced in Bangladesh in 1989. Although most of the country's freshwater production is devoted to the polyculture of carps, there is great potential for increased pangus c...
The aim of the study was to review status and trends concerning the use of aquaculture feeds and nutrients (including fertilizers) within selected developing countries within sub-Saharan Africa (Cameroon, Ghana, Kenya, Malawi, Nigeria, Uganda, Zambia), Latin America (Brazil, Chile, Cuba, Ecuador, Mexico, Bolivarian Republic of Venezuela) and Asia (...
Although aquaculture’s contribution to total world fisheries landings has increased ten-fold from 0.64 million tonnes in 1950 to 54.78 tonnes in 2003, the finfish and crustacean aquaculture sectors are still highly dependent upon marine capture fisheries for sourcing key dietary nutrient inputs, including fishmeal, fish oil and low value trash fish...
Most small waterbodies were built for irrigation and/or drinking water storage for humans and livestock, but have also been shown to play an important role in watershed management. Apart from natural lakes, small waterbodies are generally of two types: 1) reservoirs created by damming a river and, 2) ponds built on watersheds to collect and store s...
Although aquaculture’s contribution to total world fisheries landings has increased ten-fold from 0.64 million tonnes in 1950 to 54.78 tonnes in 2003, the finfish and crustacean aquaculture sectors are still highly dependent upon marine capture fisheries for sourcing key dietary nutrient inputs, including fishmeal, fish oil and low value trash fish...
A laboratory growth trial was conducted to evaluate the suitability of various oilseed cakes and leucaena leaf meal as dietary protein sources for common carp fry (mean ± SE weight, 50 ± 1.6 mg). Eleven experimental diets were formulated containing different levels of mustard, sesame, linseed, copra and groundnut oil cakes and leucaena leaf meal to...
The suitability of poultry-feather meal (PFM) as a substitute for dietary fish meal protein in the diet of Indian major carp was evaluated. Four experimental diets were formulated with PFM replacing 25, 50, 75, and 100% of the fish meal protein. The control diet was prepared with fish meal as the sole source of protein. All the diets were isonitrog...
On the basis of ingestion time and feeding behaviour, food particle sizes in the ranges 125-300 μm, 300-500 μm, 300-790 μm and 500-1000 μm diameter were found to be most appropriate for carp fry weighing 15-23mg (TL 13-18), 46-97 mg (TL 17-22), 105-209mg (TL 20-25) and 210-466mg (TL 24-31) respectively. For carp fry of these size ranges the mean pr...
Utilization of protein and carbohydrate as dietary energy sources for fish
Two recirculation bioassays were conducted for 168 h each to determine the median lethal concentration (LC50) of unionized ammonia (NH3) to fry of common carp (Cyprinus carpio L.) for different exposure times. In the first trial duplicate groups of carp fry (mean weight 299 mg, SE ± 14.2) were exposed to seven concentrations of ammonia. The 48-, 96...
Two recirculation bioassays were conducted for 168 h to determine the median lethal concentration (LC50) of unionized ammonia (NH3) to fry of common carp (Cyprinus carpio L.) for different exposure times.
Over the last decade, the world has witnessed spectacular growth in the aquaculture industries of many developing countries. It is unequivocally agreed that global aquaculture production will continue to increase, and much of this will occur in the developing countries of Asia and Africa, through the expansion of semi-intensive, small-scale pond aq...
