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Aquaculture books

  • Aquaculture zoning, site selection and area management under the ecosystem approach to aquaculture
  • Small-scale aquaponic food production
  • Farming freshwater prawns
  • Hatchery culture of bivalves
  • Installation and operation of a modular bivalve hatchery
  • Aquaculture operations in floating HDPE cages
  • Capture-based aquaculture. The fattening of eels, groupers, tunas and yellowtails
  • Use of algae and aquatic macrophytes as feed in small-scale aquaculture
  • Review of jellyfish blooms in the Mediterranean and Black Sea
  • Practical guidelines for the use of artificial reefs in the Mediterranean and the Black Sea
  • Capture-based aquaculture
  • Mediterranean coastal lagoons

Use of algae and aquatic macrophytes as feed in small-scale aquaculture

Use of algae and aquatic  macrophytes as feed in  small-scale aquaculture

 

Use of algae and aquatic macrophytes as feed in small-scale aquaculture
by
Mohammad R. Hasan
Aquaculture Management and Conservation Service
Fisheries and Aquaculture Management Division
FAO Fisheries and Aquaculture Department
Rome, Italy
and
Rina Chakrabarti
University of Delhi
Delhi, India
FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Rome, 2009
FAO
FISHERIES AND AQUACULTURE TECHNICAL
PAPER
531

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 (FAO) 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. The mention of specific companies or products of manufacturers, whether or not these have been patented, does not imply that these have been endorsed or recommended by FAO in preference to others of a similar nature that are not mentioned.
The views expressed in this information product are those of the author(s) and do not necessarily reflect the views of FAO.
ISBN 978-92-5-106420-7
All rights reserved. Reproduction and dissemination of material in this information product for educational or other non-commercial purposes are authorized without any prior written permission from the copyright holders provided the source is fully acknowledged. Reproduction of material in this information product for resale or other commercial purposes is prohibited without written permission of the copyright holders. Applications for such permission should be addressed to:
Chief
Electronic Publishing Policy and Support Branch
Communication Division
FAO
Viale delle Terme di Caracalla, 00153 Rome, Italy
or by e-mail to:
Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.
© FAO 2009

 

 

Measuring the contribution of small-scale aquaculture
An assessment
This technical paper presents a global review on the use of aquatic macrophytes as feed for farmed fish, with particular reference to their current and potential use by small-scale farmers. The review is organized under four major divisions of aquatic macrophytes: algae, floating macrophytes, submerged macrophytes and emergent macrophytes. Under floating macrophytes, Azolla, duckweeds and water hyacinths are discussed separately; the remaining floating macrophytes are grouped together and are reviewed as ‘other floating macrophytes’. The review covers aspects concerned with the production and/or cultivation techniques and use of the macrophytes in their fresh and/or processed state as feed for farmed fish. Efficiency of feeding is evaluated by presenting data on growth, food conversion and digestibility of target fish species. Results of laboratory and field trials and on-farm utilization of macrophytes by farmed fish species are presented. The paper provides information on the different processing methods employed (including composting and fermentation) and results obtained to date with different species throughout the world with particular reference to Asia. Finally, it gives information on the proximate and chemical composition of most commonly occurring macrophytes, their classification and their geographical distribution and environmental requirements.

 

Preparation of this document 
Abstract 
Abbreviations and acronyms 
Introduction 
1. Algae 
1.2 Characteristics 
1.3 Production 
1.4 Chemical composition 
1.5 Use as aquafeed 
2. Floating aquatic macrophytes – Azolla 
2.2 Characteristics 
2.3 Production 
2.4 Chemical composition 
2.5 Use as aquafeed 
3. Floating aquatic macrophytes – Duckweeds 
3.2 Characteristics 
3.3 Production 
3.4 Chemical composition 
3.5 Use as aquafeed 
4. Floating aquatic macrophytes – Water hyacinths 
4.2 Characteristics 
4.3 Production 
4.4 Chemical composition 
4.5 Use as aquafeed 
5. Floating aquatic macrophytes – Others 
6. Submerged aquatic macrophytes 
7. Emergent aquatic macrophytes 
8. Conclusions 
9. References 
Annex 1 Essential amino acid (EAA) composition of aquatic macrophytes 
Annex 2 Periphyton 

 

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Заголовок Автор Просмотры
Preparation of this document Автор: Administrator Просмотров: 110
Abstract Автор: Administrator Просмотров: 108
Abbreviations and acronyms Автор: Administrator Просмотров: 132
Introduction Автор: Administrator Просмотров: 118
1. Algae Автор: Administrator Просмотров: 114
1.2 Characteristics Автор: Administrator Просмотров: 151
1.3 Production Автор: Administrator Просмотров: 114
1.4 Chemical composition Автор: Administrator Просмотров: 133
1.5 Use as aquafeed Автор: Administrator Просмотров: 110
2. Floating aquatic macrophytes – Azolla Автор: Administrator Просмотров: 127

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