FI: DP HUN/71/512/6
FEBRUARY 1979
| RESTRICTED FI: DP HUN/71/512/6 FEBRUARY 1979 |
THE HUNGARIAN PEOPLE'S REPUBLIC
RESEARCH ON BREEDING AND LARVAL REARING OF CULTIVATED FISHES IN HUNGARY
A report prepared for the
Development of Fish Culture Project
by
V.R.P. Sinha
Fish Seed Production Consultant
This field document is one of a series of reports prepared during the course of the UNDP project identified on the title page. The conclusions and recommendations given in the report are those considered appropriate at the time of this 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 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 or constitutional status of any country, territory or sea area, or concerning the delimitation of frontiers.
FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome, 1979
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.
2. PRESENT STATUS OF FISH SEED PRODUCTION
2.1 Species Cultivated in Hungary
2.2 Induced Breeding of Cultivated Species
2.3 Natural Propagation
2.4 Import of Larvae
2.5 Hatchery Management
3. CURRENT RESEARCH PROGRAMMES FOR IMPROVING SEED PRODUCTION
3.1 Induced Breeding
3.2 Hatchery Management
3.3 Multiple Yearly Spawning
3.4 Nutritional Studies
3.5 Nursery Management
4.1 Research Needed
4.2 Fish Gonadotropin
4.3 Fish Gonadotropin Amino-acid Composition and Sequence
4.4 Fish Gonadotropin and Acceleration of Sexual Development
4.5 European Catfish
4.6 European Freshwater Eel
4.7 Fish Gonadotropin - Hydration - Spawning
4.8 Larval Rearing
4.9 Nutrition of Brood Stock
5. INITIATION OF THE PROPOSED RESEARCH
Table 1 PERCENTAGE OF LOSS AND GAIN OF WEIGHT (IN g) OF FEMALE SPAWNERS DURING HYPOPHYSATION
Figure 1 SEPHADEX G-100 FRACTIONATION OF CARP PITUITARY EXTRACT
Figure 2 DIAGRAMMETIC REPRESENTATION OF THE CENTRIFUGAL PATTERN
OF UNFERTILIZED EGGS OF DIFFERENT CARP SPECIES