CIFA Occasional Paper No. 27 CIFA Occasional Paper No. 27
CIFA/OP27

GENETIC MANAGEMENT OF AQUACULTURE
STOCKS IN SUB-SAHARAN AFRICAN



Report of a Producers’ Workshop
Accra, Ghana, 27 February-3 March 2006


Prepared by

John Moehl
Regional Aquaculture Officer
FAO Regional Office for Africa

Randall Brummett
Senior Aquaculture Scientist
WorldFish Centre

Raul Ponzoni
Research Scientist and Project Leader (Geneticist)
Aquaculture and Genetic Improvement
WorldFish Centre

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome, 2006

Download full PDF version 602 kb


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. 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 the Food and Agriculture Organization of the United Nations in preference to others of a similar nature that are not mentioned.

ISSN 1014-2452

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 the Chief, Electronic Publishing Policy and Support Branch, Communication Division, FAO, Viale delle Terme di Caracalla, 00153 Rome, Italy or by e-mail to [email protected]

©FAO 2006

CONTENTS

Acknowledgements

Forward

Executive Summary

1.      Introduction

2.      Background
Technical Setting
Review of Genetic Management Training Materials
Review of Regional Genetic Management Policies
3.      Producers’ Position Statement
Specific Recommendations from the Producers
4.      Scientific Context 5
Current African Hatchery Stocks
Genetic Introgression
Introduction of New Species
The Risk of Importing Captive Tilapia Populations for African Aquaculture
Summary & Recommendations
5.      Role of the Private Sector

6.      Conclusions

7.      Way Forward

8.      Annexes
A.  List of Participants

B.  Agenda

C.  Technical Briefs
I.   Selective Breeding Methods
II.  Genetic Management in Aquaculture: Effective Breeding Number
III.  Inbreeding
IV. Cyclical Mating Scheme
D.  NACA as a Template For NACAF12

E.  Project Concept: Improved Tilapia Strains For Aquaculture in Africa

F.  Participants’ Feedback

G.  Nairobi Declaration

H.  Abuja Declaration: NEPAD Fish For All Summit

How to Order