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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ribeiro, C. S. Gomes, A. D. Vieira, V. A. R. O. Tabata, Y. A. Takahashi, N. S. Moreira, R. G. |
| Copyright Year | 2011 |
| Abstract | Rainbow trout Oncorhynchus mykiss triploids are regularly produced in fish farms to improve growth because the triploid females do not develop ovaries during the reproductive cycle. In this study, the tissue fatty acid allocations in triploid and diploid females were compared during the reproductive cycle to determine whether the ploidy influences the fatty acid profile of fish produced in aquaculture. The ovaries, liver, and white muscle fatty acid contents of diploid and triploid females were analyzed during the reproductive cycle. Diploid females tend to accumulate more polyunsaturated fatty acids than triploids during some phases of the reproductive cycle, and this profile was compensated by an increase in saturated and monounsaturated fatty acids in triploid females. Arachidonic acid (C20:4n6) was the main n6 polyunsaturated fatty acid in the ovaries of diploid females during the most advanced phases of the reproductive cycle, and docosahexaenoic acid (C22:6n3) was the main n3 polyunsaturated fatty acid. In triploid females, the percentage of both of these polyunsaturated fatty acids was lower than in diploid females during the most advanced phases of the reproductive cycle. In general, the lack of ovary development altered the hepatic synthesis of some fatty acids, mainly monounsaturated and polyunsaturated fatty acids, decreasing the content of the main fatty acids in the white muscle and, consequently, the mobilization of these specific fatty acids to the ovaries. |
| Starting Page | 1117 |
| Ending Page | 1137 |
| Page Count | 21 |
| File Format | |
| ISSN | 09676120 |
| Journal | Aquaculture International |
| Volume Number | 20 |
| Issue Number | 6 |
| e-ISSN | 1573143X |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2011-08-13 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Fatty acids liver Muscle Ovaries Ploidy Reproduction Trout Freshwater & Marine Ecology Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aquatic Science Agronomy and Crop Science |
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