Seasonality, labor and integration of aquaculture into southern African smallhold farming systems

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 put into their ponds resulting in lower growth rates and yields. There is potential for improving production and yields through modifications of production schedules to accommodate other farming activities.

Progress towards providing Fijian farmers with a better tilapia strain: evaluation of the GIFT fish in Fiji.

The relative growth performance of the GIFT strain Nile Tilapia (Oreochromis niloticus) was compared under integrated and non-integrated conditions with the best performing ‘indigenous’ Fijian tilapia strain, O. niloticus ‘Chitralada’ in Fiji. Replicated trials in hapas over two generations (cool and warm seasons) showed that the growth performance of the GIFT strain was significantly better than Chitralada under both integrated and non-integrated culture conditions.

Aquaculture technology research for smallholder farmers in rural malawi

In order to develop aquaculture systems and technologies relevant to the maize-based famring system in rural Africa, ICLARM is conducting farmer-participatory research in Malawi. This involves farmer-researcher interaction throughout the aquaculture program. The whole research process involves a continuing transfer of information and ideas between farmers and researchers so that research agendas can be adjusted to meet changing needs as indigenous aquaculture systems evolve.

Low input technologies for rural aquaculture development in Bangladesh

Fish is the main animal protein source for the people of Bangladesh. In spite of vast water resources, fish production is in decline, resulting in protein-energy malnutrition. Farmers participating in on-farm research developed low-input sustainable aquaculture practices that benefit the poor farmers, who constitute the bulk of the population. Farmer-oriented studies have confirmed the viability of culturing silver barb (Puntius gonionotus) and nile tilapia (Oreochromis niloticus) in seasonal ponds. Productions of 1,2052,156 kg of P.

An intra-farm study of production factors and productivity for shrimp farms in Bangladesh: an index approach

The production characteristics of shrimp farming in Bangladesh are reported based on a panel of farms for the period 1998 to 2002. The data allow for a profit decomposition based on the Törnqvist index, where differences in relative profits can be explained by differences in productivity, prices, and pond size. The indices indicate that pond size is the most important factor in determining profitability and that the largest farms are the most profitable. However, productivity measured as profit per hectare is only weakly positively correlated with pond size.

Integration of aquaculture into crop-animal systems in Asia

The status of integrated agriculture-aquaculture (IAA) in Asia is reviewed, with an emphasis on rural small-scale systems. Existing IAA systems within mixed farming systems are characterised and the economic and ecological role of aquaculture described. The importance of nutrient recycling of otherwise unused waste materials as an important element and a benefit of integration is emphasised. Approaches for newentrants to explore and plan integration on their farms are presented.

Integrated agriculture-aquaculture: a way for food security for small farmers and better resource management and environment

Traditionally fish have been a natural component of rice-ecosystems. Intensive agriculture has led to degradation offish habitats, resulting in disappearance of fish from rice fields. The economic viability and impact on the environment of integrating aquaculture with agriculture during rainfed and irrigated rice growing seasons were studied in 256 farms in Bangladesh. Farmers on an average obtained fish production of 230 and 214 kg ha-1 during irrigated and rainfed seasons, respectively.

Fish for the poor under a rising global demand and changing fishery regime.

In the past, agricultural researchers tended to ignore the fisheries factor in global food and nutritional security. However, the role of fish is becoming critical as a result of changes in fisheries regimes, income distribution, demand and increasing international trade. Fish has become the fastest growing food commodity in international trade and this is raising concern for the supply of fish for poorer people. As a result, the impact of international trade regimes on fish supply and demand, and the consequences on the availability of fish for developing countries need to be studied.

Community-based aquaculture in India- strengths, weaknesses, opportunities and threats.

Community-based aquaculture founded on the principles of common interest groups working together regardless of sex and age has been an effective tool for implementing scientific aquaculture programs in India. Water bodies that do not interset villagers are targeted for use to avoid communal problems. Farmers who share common interests are identified and organized and a team leader chosen among them. An inventory of resources using the SWOT analysis is made.

Aquaculture for small farmers: a technology development and dissemination strategy

The International Center for Living Aquatic Resources Management (ICLARM) with funding from the United States Agency for International Development (USAID), has been assisting the Bangladesh Agricultural Re-search Council (BARC) and the Fisheries Research Institute (FRI), in develop ing low-input technologies, for maximising production from available water resources, through optimum utilisation of on-farm resources. The target groups for these studies are the resource-poor, small-holder farmers who constitute the bulk of the population in Bangladesh.

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