| Seminal plasma biochemistry and spermatozoa characteristics of Atlantic cod (Gadus morhua L.) of wild and cultivated origin. | |
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MedLine Citation:
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PMID: 21281735 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Our objectives were to compare spermatozoa activity, morphology, and seminal plasma (SP) biochemistry between wild and cultivated Atlantic cod (Gadus morhua). Swimming velocities of wild cod spermatozoa were significantly faster than those of cultivated males. Wild males had a significantly larger spermatozoa head area, perimeter, and length, while cultivated males had more circular heads. Total monounsaturated fatty acids and the ratio of n-3/n-6 were significantly higher in sperm from wild males, while total n-6 from cultivated males was significantly higher than of wild males. Significantly higher concentrations of the fatty acids C14:0, C16:1n-7, C18:4n-3, C20:1n-11, C20:1n-9, C20:4n-3, C22:1n-11, and C22:6n-3 were observed in wild males, while significantly higher concentrations of C18:2n-6, C20:2n-6, and C22:5n-3 occurred in cultivated males. Osmolality, protein concentration, lactate dehydrogenase and superoxide dismutase activity of SP of wild males were significantly higher than of cultivated males. Antioxidant capacity of SP was significantly higher in cultivated males, while pH and anti-trypsin did not differ between fish origin. Four bands of anti-trypsin activity and nine protein bands were detected in SP. Performing a discriminant function analysis, on morphology and fatty acid data showed significant discrimination between wild and cultivated fish. Results are relevant to breeding programs and aquaculture development. |
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Authors:
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Ian Anthony Ernest Butts; Edward Alexander Trippel; Andrzej Ciereszko; Carles Soler; Mariola Słowińska; Sayyed Mohammad Hadi Alavi; Matthew Kenneth Litvak; Igor Babiak |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-28 |
Journal Detail:
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Title: Comparative biochemistry and physiology. Part A, Molecular & integrative physiology Volume: - ISSN: 1531-4332 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-2-1 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9806096 Medline TA: Comp Biochem Physiol A Mol Integr Physiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2010. Published by Elsevier Inc. |
Affiliation:
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Fisheries and Oceans Canada, Biological Station, 531 Brandy Cove Rd., St. Andrews, NB., E5B 2L9, Canada; Department of Biology and Centre for Coastal Studies and Aquaculture, University of New Brunswick (Saint John), Ganong Hall, P.O. Box 5050, Saint John, New Brunswick, E2L 4L5, Canada. |
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