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STS - Field Document No. 3 Small-Scale Fish Hatcheries for Lao PDR |
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FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS |
| The designations employed and the presentation of material in this information product do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal or development status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. |
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© FAO 1999
CONTENTS
(pdf file 510Kb)
Introduction
IMPORTANCE OF SMALL-SCALE HATCHERIES
Chapter 1 Small-scale Hatchery Requirements
1.1 WATER AND WATER QUALITY
1.2 EARTHEN PONDS
1.3 HATCHERY BUILDING AND EQUIPMENT
Chapter 2 Broodstock
2.1 SOURCE OF BROODSTOCK
2.2 BROODSTOCK CULTURE
2.3 BROODSTOCK SELECTION FOR SPAWNING
2.4 SPAWNING SEASON FOR WILD FISH
Chapter 3 Fish Reproduction
3.1 NATURAL REPRODUCTION
3.2 SEMI-NATURAL REPRODUCTION
3.3 ARTIFICIAL FERTILISATION
3.4 ADVANTAGES OF ARTIFICIAL FERTILISATION
Chapter 4 Semi-Natural Reproduction Using the Common Carp
4.1 BREEDING CHARACTERISTICS
4.2 DIFFERENCE BETWEEN THE SEXES
4.3 PREPARATION OF THE SPAWNING TANK/POND AND SPAWNING SUBSTRATE
4.4 SELECTION OF THE BROODSTOCK FOR SPAWNING
4.5 STOCKING OF MALE AND FEMALE CARP FOR SPAWNING
4.6 NURSING OF COMMON CARP
Chapter 5 Artificial Fertilisation of the Silver Barb
5.1 BROODSTOCK SELECTION
5.2 HORMONES USED FOR THE INDUCTION OF SPAWNING
5.3 METHOD FOR USING LHRHa
5.4 EQUIPMENT FOR THE INDUCTION OF FISH SPAWNING
5.5 METHOD FOR HORMONE INJECTION
Chapter 6 Egg Incubation (pdf file 337Kb)
6.1 FLOATING EGGS
6.2 HALF FLOATING - HALF SINKING EGGS
6.3 STICKY EGGS
6.4 EGG HATCHING
Chapter 7 Fry Nursing After Hatching
7.1 EARTH POND NURSERY
7.2 'ORLON' CAGES
7.3 BLUE NET CAGES
7.4 CEMENT TANKS
7.5 STOCKING RATES FOR FRY IN NURSERY SYSTEMS
7.6 FEEDING OF FRY IN NURSERY PONDS AND TANKS
7.7 NURSERY REQUIREMENTS FOR CARNIVOROUS FISH SPECIES
Chapter 8 Economics of Small-Scale Hatchery operation
8.1 MARKETING
8.2 MINIMAL INPUT SMALL-SCALE HATCHERIES
8.3 SMALL-SCALE HATCHERIES WITH INCREASED INVESTMENT