REPORT OF A MISSION TO THE PROJECT FOR THE DEVELOPMENT OF SMALL
SCALE FISH FARMING IN THE LAKE BASIN AREA (FAO/UNDP/BSF-KEN/86/0-27)
FROM 22-7-1994 TO 16-8-1994
G.J. DE GRAAF
AQUACULTURE AND FISHERIES CONSULTANT
KISUMU, KENYA, AUGUST 1994
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3 REPRODUCTION AND NURSING OF THE AFRICAN CATFISH AT THE PROJECT STATIONS
3.1 Existing facilities
3.2 Kibos
3.2.1. Semi artificial reproduction or hormone induced reproduction
in concrete tanks with gravel as an egg substrate
3.2.2. Artificial reproduction or hormone induced reproduction with
stripping and fertilization of the eggs
3.2.3. The nursing of catfish larvae/fry in earthen ponds
3.3. Yala
3.4. Rongo
3.5. Alupe
3.6. Chewele
4. RECOMMENDATIONS FOR THE REPRODUCTION AND FINGERLING PRODUCTION OF THE AFRICAN CATFISH
4.1 Immediate actions
4.2 Actions with a long term objective
5. POND REARING OF THE AFRICAN CATFISH
6 CATFISH REPRODUCTION AND FARMING WITH PRIVATE FARMERS
6.1. Catfish rearing by private farmers
6.2. Options for fingerling production by private farmers
6.2.1. Specialized reproduction centres and separate nursing units
6.2.2. Reproduction and nursing take place at one
6.2.3. Reproduction, nursing and grow out takes place at one unit
Annex 1 Example of registration form for the fingerling production at the FPC's.
ii LIST OF TABLES
Table 1: The existing facilities at the fry production centres of the project
Table 2: Production figures of fry nursing of the African catfish in earthen
ponds at Kibos during the first months of 1994.
Table 3: Results of the artificial reproduction as carried out by the consultant
at the FPC of Rongo.
Table 4: Biological data on monoculture of the African catfish, density 10 m2,
mean temperature 25–27 °C.
iii LIST OF ABBREVIATIONS
AVG | Average |
CTA | Chief technical advisor |
FPC | Fry production centre |
GSI | Gonado somatic index |
Happa | A cage made of mosquito netting |
KG | Kilogramme |
NPC | National project coordinator |
T | Ton |
TOR | Terms of reference |
YR | Year |