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Allozyme diversity in Australian rainbow trout, Oncorhynchus mykiss
journal contribution
posted on 2023-05-17, 00:43 authored by Farrington, LW, Austin, CM, Christopher BurridgeChristopher Burridge, Gooley, GJ, Ingram, BA, Talbot, BRainbow trout, Oncorhynchus mykiss (Walbaum), were first introduced into Australia over 100 years ago, and forms the basis of important recreational inland fisheries and an aquaculture industry in south-eastern Australia. This paper investigates the genetic variation within and between samples of Australian rainbow trout using allozyme electrophoresis. The levels of genetic diversity within Australia do not show marked differences from those observed in hatchery and wild populations from throughout North America, New Zealand and South Africa, but there is evidence for the loss of some rare alleles during translocation from California to Australia via New Zealand. No appreciable difference in genetic diversity was apparent between hatchery and self-sustaining wild populations of rainbow trout from mainland Australia. However, significant differences in allelic frequencies were observed, with consistent genetic differences between Victorian and New South Wales samples most likely reflecting state-based hatchery and stocking policies.
History
Publication title
Fisheries Management and EcologyVolume
11Issue
11Pagination
97-106ISSN
0969-997XDepartment/School
School of Natural SciencesPublisher
Wiley-Blackwell Publishing Ltd.Place of publication
United KingdomRights statement
The definitive published version is available online at: http://interscience.wiley.comRepository Status
- Restricted