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Larval rearing and fry production at La Landjia Hatchery, Central African Republic

Hatchery Production and Research Centre







Eding, E.H. 1984. Larval rearing and fry production at La Landjia Hatchery, Central African Republic. Rome (Italy). 32 p.


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    Project
    Artificial propagation of Clarias lazera at the Fish Culture Centre Hatchery, Bangui-Landjia, Central African Republic. A report
    Hatchery Production and Research Centre
    1983
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    The Government of the Central African Republic, assisted by the Food and Agriculture Organization of the United Nations, is engaged in a project whose main purpose is the establishment and operation of a hatchery to be attached to the national fish culture centre of Bangui-Landjia for: the propagation and semi-intensive culture of Clarias lazera; research activities; provision of fingerlings and training. The project has been financed by a contribution from the technical assistance funds of the Government of the Netherlands. As part of the project operation, FAO assigned Dr E. Woynarovich as Consultant from 4 to 17 July 1983 with the following terms of reference: Under the guidance of the Fisheries Expert (Fish Culture), the Consultant will advise on more efficient methods to be applied at the hatchery of the fisheries station at Landjia, including: all reproduction stages rearing of larvae and fry feeding control of the effects of the use of manure and fertilizers contro l of various enemies of eggs and larvae management of broodstock regulation of water supply.
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    Fish feed requirements and manufacture, Central African Republic
    Hatchery Production and Research Centre
    1984
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    The Hatchery Production and Research Centre at Bangui-Landjia Project was established in 1980 under the FAO/Government Cooperative Programme (GCP/CAF/007/NET) with funds provided by the Government of the Netherlands. The project is engaged primarily in work on the African catfish (Clarias lazera), although activities outside the hatchery building itself include pond experiments and small-scale commercial production of Clarias and tilapia in polyculture. Because catfish culture generally requ ires artificial feeding, these experiments are important in determining the technical and economic feasibility for commercial production of the species, using feeds made from a rather limited selection of local ingredients. The need to process compound feeds arises from the desire for diets with high water stability in order to prevent feed wastage and to control fish disease. Feed processing equipment purchased earlier under the FAO project Vulgarisation de la Pisciculture et Autofinancement des Stations Piscicoles Principales (CAF/80/002), referred to in this report as the other FAO project, are employed in making all feeds presently required for the project. As part of the operation of the project, FAO assigned Dr K. W. Chow, Fish Feed Technologist, Aquaculture Development and Coordination Programme, as a consultant to the project. This report summarizes the consultant's findings made during the period 7 to 17 November, 1983, concerning the supply of feed ingredients to meet bot h present and future needs of the station and the state of existing feed manufacturing machinery and their need for repairs and upgrading. It also includes a brief description of repairs carried out on the machinery during the period, construction of equipment for moist, pelleted feed production, and discussions with Mr J. A. L. Janssen, FAO Fish Culture Expert on the project, concerning his work plan for 1984.
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    The Hungarian People's Republic - Research on breeding and larval rearing of cultivated fishes in Hungary 1979
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