Biochemical composition of Nephrops norvegicus : changes associated with ovary maturation |
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| Authors: | I D Tuck A C Taylor R J A Atkinson M E Gramitto C Smith |
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| Institution: | (1) Division of Environmental and Evolutionary Biology, Institute of Biomedical and Life Sciences, University of Glasgow, Glasgow G12 8QQ, Scotland, GB;(2) University Marine Biological Station Millport, Isle of Cumbrae, Strathclyde KA28 0EG, Scotland, GB;(3) Istituto di Richerche sulla Pesca Marittima (C.N.R.), I-60125 Ancona, Italy, IT;(4) Institute of Marine Biology of Crete, P.O. Box 2214, Gr-71003 Iraklion, Crete, Greece, GR |
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| Abstract: | Changes in the biochemical composition of the ovary of Nephrops norvegicus (L.) were examined throughout maturation at stations with fast and slow growing individuals in Scottish waters and in the
Mediterranean. Ovary index (ovary wt:total body wt) increased significantly with maturation. Lipid, protein and water content
of the ovary increased with maturation, while carbohydrate content decreased. Similar changes were also identified in the
hepatopancreas. Significant spatial differences in ovary and hepatopancreas composition were identified, which may be related
to whole-body growth rate. The ovary maturation scale commonly used for N. norvegicus was shown to reflect biochemically distinct stages in ovary development.
Received: 7 February 1997 / Accepted: 25 February 1997 |
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