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Fish farming systems for Africa

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Title Fish farming systems for Africa
 
Creator Technical Centre for Agricultural and Rural Cooperation
 
Description Asian know-how is being used to develop fish farming systems for Africa. (As reported in Spore 29 page 10). Researchers from the International Centre for Living Aquatic Resources Management (ICLARM) working with the University of Malawi and the Department of Fisheries for the last four years have shown that African smallholders are reluctant to start fish farming unless the system can be fully integrated with their other activities. This is because feeds are expensive water quality is poor and yields have been disappointing.



Maize bran or madeya has been the usual feed but It is expensive and not always available. However, tests have shown that Napier grass, fed whole, chopped or ground, can produce similar yields.



Water quality can be improved by adding wood ash from the cooking fire. This not only improves the pH of the pond water but also adds phosphates. Stirring up the bottom of the pond twice a week has been found to increase the growth rate of the fish.



Yields can also be improved if fish are harvested at the right time. To do this farmers have had to buy nets, which are expensive, m order to take out the fish. Now, locally made traps and screens have been developed that can be used instead of nets. These allow the farmer to harvest his fish intermittently, and economically, for sale or for home consumption.



Since the Malawi project began 200 smallholders have integrated fish farming into their farming systems.



ICLARM



MC PO Box 1501, Makati, Metro Manila, PHILIPPINES
Asian know-how is being used to develop fish farming systems for Africa. (As reported in Spore 29 page 10). Researchers from the International Centre for Living Aquatic Resources Management (ICLARM) working with the University of Malawi and the...
 
Date 2014-10-08T13:41:02Z
2014-10-08T13:41:02Z
1991
 
Type News Item
 
Identifier CTA. 1991. Fish farming systems for Africa. Spore 33. CTA, Wageningen, The Netherlands.
1011-0054
https://hdl.handle.net/10568/45532
 
Language en
 
Relation Spore, Spore 33
 
Publisher CTA
 
Source Spore