Performance of hybrid percids

James A. Held; Robert Mandiki; C. Rougeot; Patrick Kestemont

doi:10.1007/978-94-017-7227-3_24

Performance of hybrid percids

James A. Held, Robert Mandiki, C. Rougeot, Patrick Kestemont

Research Unit in Environmental and Evolutionary Biology

Research output: Contribution in Book/Catalog/Report/Conference proceeding › Chapter

Abstract

Interspecifi c hybrids of several percids have been produced, and some of their production characteristics have been compared with purebreds. Most hybrids exhibited superior growth and survival when compared with same egg-source purebreds, however hybrids derived from parental stocks that produced smaller eggs displayed poorer survival (hybrid yellow perch) and similar growth (hybrid sauger) when compared to the purebred parental stocks that produced larger eggs (Eurasian perch and walleye, respectively). Hybrid walleye and sauger have been shown to be reproductively competent. Performance differences of walleye and sauger hybrids derived from varying geographic stocks were noted and may be a source of future production gains. The use of percid hybrids in aquaculture may be limited by regulatory concerns over the importation and introduction of alien invasive species.

Original language	English
Title of host publication	Biology and Culture of Percid Fishes: Principles and Practices
Publisher	Springer Netherlands
Pages	635-641
Number of pages	7
ISBN (Electronic)	9789401772273
ISBN (Print)	9789401772266
DOIs	https://doi.org/10.1007/978-94-017-7227-3_24
Publication status	Published - 1 Jan 2015

Keywords

Eurasian perch
Percids
Purebred
Sauger hybrid
Yellow perch

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1007/978-94-017-7227-3_24

Cite this

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AU - Mandiki, Robert

AU - Rougeot, C.

AU - Kestemont, Patrick

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AB - Interspecifi c hybrids of several percids have been produced, and some of their production characteristics have been compared with purebreds. Most hybrids exhibited superior growth and survival when compared with same egg-source purebreds, however hybrids derived from parental stocks that produced smaller eggs displayed poorer survival (hybrid yellow perch) and similar growth (hybrid sauger) when compared to the purebred parental stocks that produced larger eggs (Eurasian perch and walleye, respectively). Hybrid walleye and sauger have been shown to be reproductively competent. Performance differences of walleye and sauger hybrids derived from varying geographic stocks were noted and may be a source of future production gains. The use of percid hybrids in aquaculture may be limited by regulatory concerns over the importation and introduction of alien invasive species.

KW - Eurasian perch

KW - Percids

KW - Purebred

KW - Sauger hybrid

KW - Yellow perch

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ER -

Performance of hybrid percids

Abstract

Keywords

UN SDGs

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