A comparison of survival and growth of two strains of chinook salmon ( Oncorhynchus tshawytscha) and their crosses reared in confinement
The growth rate and survival of the Capilano (hatchery) and Harrison (wild) strains of chinook salmon ( O. tshawytscha) of British Columbia and their hybrids reared in confinement were compared both during the fresh-water phase and the sea-water phase. Eggs stripped from the Capilano females had bet...
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| Veröffentlicht in: | Aquaculture 1987-01, Vol.67 (3), p.301-311 |
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| container_title | Aquaculture |
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| creator | Cheng, Kimberly M. McCallum, Ian M. McKay, Robert I. March, B.E. |
| description | The growth rate and survival of the Capilano (hatchery) and Harrison (wild) strains of chinook salmon (
O. tshawytscha) of British Columbia and their hybrids reared in confinement were compared both during the fresh-water phase and the sea-water phase. Eggs stripped from the Capilano females had better fertility, fingerlings of the Capilano strain were heavier at 25 weeks of age and had a higher average specific growth rate. The Capilano fish were also heavier both in live weight and gutted weight after 1.5 years in sea-pens. No heterosis was detected for any of the traits measured. Cross-means for body weight and specific growth rate tended to be similar to the strain-of-sire mean. |
| doi_str_mv | 10.1016/0044-8486(87)90215-8 |
| format | Article |
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O. tshawytscha) of British Columbia and their hybrids reared in confinement were compared both during the fresh-water phase and the sea-water phase. Eggs stripped from the Capilano females had better fertility, fingerlings of the Capilano strain were heavier at 25 weeks of age and had a higher average specific growth rate. The Capilano fish were also heavier both in live weight and gutted weight after 1.5 years in sea-pens. No heterosis was detected for any of the traits measured. Cross-means for body weight and specific growth rate tended to be similar to the strain-of-sire mean.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/0044-8486(87)90215-8</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0044-8486 |
| ispartof | Aquaculture, 1987-01, Vol.67 (3), p.301-311 |
| issn | 0044-8486 1873-5622 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_14956588 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | Animal, plant and microbial ecology Applied ecology Aquaculture Biological and medical sciences Fundamental and applied biological sciences. Psychology Marine Oncorhynchus tshawytscha |
| title | A comparison of survival and growth of two strains of chinook salmon ( Oncorhynchus tshawytscha) and their crosses reared in confinement |
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