Overcoming difficulties in European AALS to reproduce. The optimization of the artificial maturation and enjaular hatching.
The European eel (Anguilla Anguilla) del classified as vulnerable, the current use of unsustainable population. possible until now, it was not to reproduce the captivity of eels. Production in aquaculture is based solely on wild boys caught eels, por lo relieved not by fishing pressure. On long-term vision, a method of artificial insemination, using sustainable use European eel and support the stock. To achieve muere, but overcome the fundamental difficulties of breed eels are met.
De fondo and the target
The project is the artificial reproduction of the European AALS (Anguilla Anguilla) training in Germany. The development and study of optimal Hälterungsbedingungen for parents animals, eggs and larvae are expected to constantly produce healthy eel larvae. The Hälterungseinrichtungen We develop in cooperation with the firm Spranger plastic Plauen. In collaboration with the University of Hamburg and the company Busum Search BluBioTech We develop beyond the right power supply for eel larvae.
We control the process of maturation of female eels and the male hormone treatment. During maturation We study the effects of different morir Parámetro maturation and egg quality. In addition, we apply different methods of fertilization and studied the effect of different Hälterungssysteme and Development egg conditions, the success and survival of larvae hatching.
Our research questions
What conditions favor the console hormonal maturation of eels? What conditions favor morir fertilization success to the survival of eggs and larvae? Can fed a diet containing gelatinous plankton eel larvae?
Maturation and successful Aalweibchen Aalmännchen. There are regularly fertilized Aaleier and also the success of hatching larvae could already be observed. survival of larvae of the unifying guerra del significantly higher than 2 weeks (18 días de máx.); At this time, the larvae capable of adding foods to feed and are dependent.
Marohn, Lasse Institute of Ecology Fisheries
socio Thünen participation
Hanel, Reinhold Institute of fishery Ecology
Wysujack Klaus convention of fishery Ecology
External participation socio Thünen
University of Hamburg, convention of Hydrobiology and fishery Science (IHF)
Blue Biotech GmbH
Spranger Kunststoffe GmbH