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Length rather than year-round spawning, affects reproductive performance of RAS-reared F-generation pikeperch, Sander lucioperca (Linnaeus, 1758).pdf 515,34KB
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1000 Titel
  • Length rather than year-round spawning, affects reproductive performance of RAS-reared F-generation pikeperch, Sander lucioperca (Linnaeus, 1758) – Insights from practice
1000 Autor/in
  1. Schäfer, Fabian J |
  2. Overton, Julia. L. |
  3. Kloas, Werner |
  4. Wuertz, Sven |
1000 Erscheinungsjahr 2018
1000 LeibnizOpen
1000 Publikationstyp
  1. Artikel |
1000 Online veröffentlicht
  • 2018-02-03
1000 Erschienen in
1000 Quellenangabe
  • 34(3):617-21
1000 FRL-Sammlung
1000 Copyrightjahr
  • 2018
1000 Embargo
  • 2019-02-03
1000 Lizenz
1000 Verlagsversion
  • https://doi.org/10.1111/jai.13628 |
1000 Publikationsstatus
1000 Begutachtungsstatus
1000 Sprache der Publikation
1000 Abstract/Summary
  • The continuous production of large numbers of high quality gametes is essential for aquaculture, particularly in candidate species, such as pikeperch, Sander lucioperca (L.). The common practice of year‐round reproduction is under suspicion of inflicting adverse effects on the quality of the gametes through the disturbance of endogenous rhythms. We hypothesized that such perturbation does not affect RAS‐reared F‐generation broodstock. Reproductive performance (number of eggs) and gamete quality (fertilization and hatching rate) were assessed over the course of 3 years covering six independent, photothermal shifted spawning seasons in a commercial pikeperch hatchery (n = 31 egg batches of F‐generation fish in total). No substantial differences in fertilization or hatching rates could be detected between the individual spawning seasons. Fecundity varied, but there are indications for a size effect on female fecundity with intermediate sized females producing higher number of eggs (~65–70 cm). Low egg quality could be detected in batches of very large fish. In conclusion, size‐specific broodstock composition, but not year‐round reproduction of F‐generation pikeperch spawners affects the reproductive performance.
1000 Sacherschließung
lokal out‐of‐season
lokal egg quality
lokal sperm quality
lokal fertilization
lokal oocyte
1000 Fächerklassifikation (DDC)
1000 Liste der Beteiligten
  1. http://orcid.org/0000-0003-3699-4791|https://frl.publisso.de/adhoc/creator/T3ZlcnRvbiwgSnVsaWEuIEwuIA==|https://frl.publisso.de/adhoc/creator/S2xvYXMsIFdlcm5lciA=|https://frl.publisso.de/adhoc/creator/V3VlcnR6LCBTdmVuIA==
1000 Label
1000 Förderer
  1. German Research Foundation |
1000 Fördernummer
  1. DFG KL 745/6‐1
1000 Förderprogramm
  1. -
1000 Dateien
  1. Length rather than year-round spawning, affects reproductive performance of RAS-reared F-generation pikeperch, Sander lucioperca (Linnaeus, 1758)
  2. Self-Archiving - Wiley
1000 Förderung
  1. 1000 joinedFunding-child
    1000 Förderer German Research Foundation |
    1000 Förderprogramm -
    1000 Fördernummer DFG KL 745/6‐1
1000 Objektart article
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1000 @id frl:6410393.rdf
1000 Erstellt am 2018-10-05T09:35:26.915+0200
1000 Erstellt von 294
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1000 Bearbeitet von 317
1000 Zuletzt bearbeitet 2024-01-08T12:01:16.381+0100
1000 Objekt bearb. Mon Jan 08 12:01:15 CET 2024
1000 Vgl. frl:6410393
1000 Oai Id
  1. oai:frl.publisso.de:frl:6410393 |
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