Influence of photoperiod on the timing of reproductive maturation in pink salmon ( Oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations
Pink salmon (Oncorhynchus gorbuscha) embryos were obtained in April 1991 from the first generation of a 1989 brood line, which had been induced to spawn 6 months earlier than wild populations, which spawn in October. These embryos and subsequent juveniles were reared at a development temperature and...
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Canadian Science Publishing
1994
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Online Access: | http://dx.doi.org/10.1139/z94-112 http://www.nrcresearchpress.com/doi/pdf/10.1139/z94-112 |
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crcansciencepubl:10.1139/z94-112 2023-12-17T10:48:10+01:00 Influence of photoperiod on the timing of reproductive maturation in pink salmon ( Oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations Beacham, Terry D. Murray, Clyde B. Barner, L. Walter 1994 http://dx.doi.org/10.1139/z94-112 http://www.nrcresearchpress.com/doi/pdf/10.1139/z94-112 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Zoology volume 72, issue 5, page 826-833 ISSN 0008-4301 1480-3283 Animal Science and Zoology Ecology, Evolution, Behavior and Systematics journal-article 1994 crcansciencepubl https://doi.org/10.1139/z94-112 2023-11-19T13:39:34Z Pink salmon (Oncorhynchus gorbuscha) embryos were obtained in April 1991 from the first generation of a 1989 brood line, which had been induced to spawn 6 months earlier than wild populations, which spawn in October. These embryos and subsequent juveniles were reared at a development temperature and under a photoperiod regime that induced some fish from this second generation to mature in October 1992, the correct time of year for spawning of wild populations. Other captive groups of pink salmon also matured in April 1993, permitting a comparison of fecundity, egg fertility, and egg size among female spawners in different photoperiods. Although the wild population spawns only in odd years, the captive population, originally derived from odd-year spawners, has been manipulated to spawn in even years. This shifting of the spawning time of the captive population may permit a transplant of odd-year genes into an even-year line, perhaps allowing the development of a run of even-year pink salmon in the Fraser River, British Columbia. Article in Journal/Newspaper Oncorhynchus gorbuscha Pink salmon Canadian Science Publishing (via Crossref) Fraser River ENVELOPE(-62.243,-62.243,56.619,56.619) Canadian Journal of Zoology 72 5 826 833 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics Beacham, Terry D. Murray, Clyde B. Barner, L. Walter Influence of photoperiod on the timing of reproductive maturation in pink salmon ( Oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations |
topic_facet |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
description |
Pink salmon (Oncorhynchus gorbuscha) embryos were obtained in April 1991 from the first generation of a 1989 brood line, which had been induced to spawn 6 months earlier than wild populations, which spawn in October. These embryos and subsequent juveniles were reared at a development temperature and under a photoperiod regime that induced some fish from this second generation to mature in October 1992, the correct time of year for spawning of wild populations. Other captive groups of pink salmon also matured in April 1993, permitting a comparison of fecundity, egg fertility, and egg size among female spawners in different photoperiods. Although the wild population spawns only in odd years, the captive population, originally derived from odd-year spawners, has been manipulated to spawn in even years. This shifting of the spawning time of the captive population may permit a transplant of odd-year genes into an even-year line, perhaps allowing the development of a run of even-year pink salmon in the Fraser River, British Columbia. |
format |
Article in Journal/Newspaper |
author |
Beacham, Terry D. Murray, Clyde B. Barner, L. Walter |
author_facet |
Beacham, Terry D. Murray, Clyde B. Barner, L. Walter |
author_sort |
Beacham, Terry D. |
title |
Influence of photoperiod on the timing of reproductive maturation in pink salmon ( Oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations |
title_short |
Influence of photoperiod on the timing of reproductive maturation in pink salmon ( Oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations |
title_full |
Influence of photoperiod on the timing of reproductive maturation in pink salmon ( Oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations |
title_fullStr |
Influence of photoperiod on the timing of reproductive maturation in pink salmon ( Oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations |
title_full_unstemmed |
Influence of photoperiod on the timing of reproductive maturation in pink salmon ( Oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations |
title_sort |
influence of photoperiod on the timing of reproductive maturation in pink salmon ( oncorhynchus gorbuscha ) and its application to genetic transfers between odd- and even-year spawning populations |
publisher |
Canadian Science Publishing |
publishDate |
1994 |
url |
http://dx.doi.org/10.1139/z94-112 http://www.nrcresearchpress.com/doi/pdf/10.1139/z94-112 |
long_lat |
ENVELOPE(-62.243,-62.243,56.619,56.619) |
geographic |
Fraser River |
geographic_facet |
Fraser River |
genre |
Oncorhynchus gorbuscha Pink salmon |
genre_facet |
Oncorhynchus gorbuscha Pink salmon |
op_source |
Canadian Journal of Zoology volume 72, issue 5, page 826-833 ISSN 0008-4301 1480-3283 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/z94-112 |
container_title |
Canadian Journal of Zoology |
container_volume |
72 |
container_issue |
5 |
container_start_page |
826 |
op_container_end_page |
833 |
_version_ |
1785572263694696448 |