FIELD DOCUMENT

INSTITUTIONAL STRENGTHENING IN THE FISHERIES SECTOR
BANGLADESH

BGD/87/045/91/11June 1992
Cover
MANUAL ON POLYCULTURE AND INTEGRATED FISH FARMING IN BANGLADESH
C O N T E N T S

Prepared
by

M. MOKHLESUR RAHMAN
IMRE VARGA
AND
S.N. CHOWDHURY



DEPARTMENT OF FISHERIES, GOVERNMENT OF BANGLADESH

UNITED NATIONS DEVELOPMENT PROGRAMME

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS



This field document is one of a series of reports prepared during the course of the project on Institutional Strengthening in the Fisheries Sector of Bangladesh. The conclusions and recommendations given in the report were considered appropriate at the time it was prepared. 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 in this document do not imply the expression of any opinion whatsoever on the part of the United Nations or the Food and Agriculture Organisation 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.

This document is in its final draft form. The opinions expressed by the authors are not necessarily those of FAO or the Government of Bangladesh.

ACKNOWLEDGEMENTS

The authors wish to express their gratitude to Mr. P.C. Choudhury, CTA, FAO/UNDP Project BGD/87/045, for his advice; to Mr. Dilip Kumar for his comments; to Mr. A.K. Ataur Rahman, Director, DoF and the other staff of DoF for providing assistance in preparation of this manual. The authors are grateful to Professor Abu Tweb Abu Ahmed, Senior Technical Adviser of the project, for editing the manuscript.


Hyperlinks to non-FAO Internet sites do not imply any official endorsement of or responsibility for the opinions, ideas, data or products presented at these locations, or guarantee the validity of the information provided. The sole purpose of links to non-FAO sites is to indicate further information available on related topics.

This electronic document has been scanned using optical character recognition (OCR) software. FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version.


C O N T E N T S

Acknowledgements

INTRODUCTION

Topic 1 PRINCIPLES OF FISH PRODUCTION IN PONDS

Topic 2 FISH PRODUCTION WITH POLYCULTURE

2.1 CONCEPT OF POLYCULTURE

2.2 INTENSITY OF CULTURE PRACTICES

2.2.1 Extensive culture

2.2.2 Semi-intensive culture

2.2.3 Intensive culture

2.3 POND MANAGEMENT

2.3.1 Pre-stocking management

2.3.2 Stocking management

2.3.3 Post stocking management

2.4 RECORD KEEPING AND ECONOMICS

Topic 3 INTEGRATED FISH FARMING SYSTEM IN BANGLADESH

3.1 CONCEPT AND POTENTIAL OF INTEGRATED FISH FARMING

3.2 FISH FARMING INTEGRATED WITH LIVESTOCK

3.2.1 Fish cum Poultry System

3.2.1.1 Fish sub-system in integrated farming

3.2.1.2 Chicken sub-system

3.2.1.3 Duck sub-system

3.3 RECORD KEEPING AND ECONOMIC EVALUATION OF INTEGRATED FISH-CUM-POULTRY/DUCK FARMING

Topic 4 HAZARD MANAGEMENT

4.1 OXYGEN DEPLETION

4.2 EMBANKMENT PROBLEMS

4.3 POUCHING OF FISH

4.4 PREDATORS

4.5 AQUATIC VEGETATION

4.6 FLOOD

4.7 WATER LEVEL FLUCTUATION

4.8 FISH DISEASES AND DISEASE CONTROL

REFERENCES