INTEGRATION OF CHICKEN RAISING AND REARING LARVAL CLARIAS GARIEPINUS IN LARGE PONDS TABLE OF CONTENTS

by

Shem Obuya
Technical Officer
Lake Basin Development Authority

Job Ochieng
National Project Coordinator
Lake Basin Development Authority

David Campbell
Chief Technical Advisor
Food and Agriculture Organization

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
UNITED NATIONS DEVELOPMENT PROGRAMME
BELGIAN SURVIVAL FUND
DEVELOPMENT OF SMALL SCALE FISH FARMING
IN THE LAKE BASION REGION, PHASE II
LAKE BASIN DEVELOPMENT AUTHORITY

KISUMU, KENYA
JUNE 1995

PREPARATION OF THIS DOCUMENT

This document presents the results from the integration of chickens and raising larval Clarias gariepinus to 7g to 10 g size in ponds of 1 340 m². The work was carried out in 1994 at the Kibos Fry Production Centre located in Kisumu District, Nyanza Province of Kenya under the auspices of the Lake Basin Development Authority in collaboration with the UNDP/BSF/FAO Project KEN/86/027 “Development of Small Scale Fish Farming in the Lake Basin Area, Phase II.” It is primarily aimed to assist the project staff and other workers in the field who may encounter similar situations.

This Field Document is one of a series of reports prepared during the course of the project identified on the title page. The conclusions and recommendations given in the report are those considered appropriate at the time of its preparation. They may be modified in the light of further knowledge gained at subsequent stages of the project.

The designations employed and the presentation of the material and maps in this document do not imply the expression of any opinion whatsoever on the part of the United Nations or the Food and Agriculture Organization of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.

Abstract

Obuya, S., J. Ochieng, and D. Campbell., 1995. Integration of Chicken Raising and Rearing Larval Clarias gariepinus in Large Ponds. KEN/86/027 Field Document No. 3. FAO.

This paper presents the results from 24 trials of growing 4 day old larval Clarias gariepinus to the size of 7 to 15 g in large ponds of 1 340 m² with fertilization supplied by laying chickens at a density of 770/ha. As a control, 5 trials were simultaneously conducted in a 700 m² pond fed with a combination of 10 % fish meal, 20 % cotton seed cake, and 70 % rice bran. Rearing time varied from 18 to 44 days. In the trials with integration with chickens, total yield per harvest varied from 750 to 29 000 clarias fingerlings, with an average yield of 5.8 fingerlings /m² (Std 4.9). There was no correlation between yield and rearing days in the pond. There was no significant difference between the results obtained with integrated farming and using composed fish feed. The extreme variation in results nullifies the hypothesis that large, well fertilized ponds improve the consistancy of survival rates in pond rearing of larval Clarias gariepinus. The paper concludes that the best approach for the future is to use small ponds well protected against predation.

LIST OF ABREVIATIONS

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TABLE OF CONTENTS

1 INTRODUCTION
2 MATERIALS AND METHODS

2.1 Pond Facilities
2.2 Chickens
2.3 Clarias gariepinus larvae

3 RESULTS AND DISCUSSION

3.1 Stocking Density and Survival Rates
3.2 Duration of the Rearing Time in the Ponds
3.3 Growth Rates
3.4 Chickens
3.5 Pond Production

4 CONCLUSIONS AND RECOMMENDATIONS
5 BIBLIOGRAPHY