Article (Scientific journals)
Hybridization success of three common European cyprinid species, Rutilus rutilus, Blicca bjoerkna and Abramis brama and larval resistance to stress tests
Nzau Matondo, Billy; Ovidio, Michaël; Poncin, Pascal et al.
2007In Fisheries Science, 73 (5), p. 1137-1146
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Keywords :
cyprinids fish; hybridization success in fish; fish hybridization; larval resistance
Abstract :
[en] Hybridization success at early developmental stages and larval resistance to osmotic, thermal and fasting tests in roach Rutilus rutilus, silver bream Blicca bjoerkna, common bream Abramis brama and their F1 hybrids were investigated. Results revealed that hybrid survival rates were similar to parents. At the eyed embryo stage, however, a maternal effect was observed as a general trend during hatchling and larval stages. After these stages, hybrids displayed a higher survival rate than their parents. Under stress tests, no survival was observed after 40 min for osmotic and thermal shocks and after 24 days for the prolonged fasting test in these species and their F1 hybrids. The median survivals of hybrids were intermediate between the two parents. For total mortality, hybrids were also affected by a maternal effect but to the advantage of the hybrids.
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Nzau Matondo, Billy  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale
Ovidio, Michaël  ;  Université de Liège - ULiège > Biologie du comportement - Ethologie et psychologie animale
Poncin, Pascal ;  Université de Liège - ULiège > Biologie du comportement - Ethologie et psychologie animale
Kakesa, Tampwo Alain
Wamuini, Lunkayilakio Soleil
Philippart, Jean-Claude ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale
Language :
English
Title :
Hybridization success of three common European cyprinid species, Rutilus rutilus, Blicca bjoerkna and Abramis brama and larval resistance to stress tests
Publication date :
October 2007
Journal title :
Fisheries Science
ISSN :
0919-9268
eISSN :
1444-2906
Publisher :
Blackwell Publishing, Oxford, United Kingdom
Volume :
73
Issue :
5
Pages :
1137-1146
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 February 2009

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