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Registros recuperados: 4
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Gonadal changes and blood sex steroids levels during natural sex inversion in protogynous Meditteranean red porgy, Pagrus pagrus (Teleostei: Sparidae) Animal Physiology
Kokokiris, L.; Fostier, A.; Athanassopoulou, F.; Petridis, D.; Kentouri, M..
Changes in gonadal structure and serum levels of sex steroids were investigated during natural sex inversion from female to male in reared populations of the protogynous Mediterranean red porgy, Pagrus pagrus. Four developmental phases were identified by histological observation: female, early transitional (ETr), late transitional (LTr) and male phases. At female phase, a few nests of spermatogonia were observed at the posterior-ventral part of the gonad mainly in females out of the breeding season. At ETr phase, spermatogonial proliferation occurred while perinucleolar oocytes showed signs of degeneration. At LTr phase, seminiferous lobules were formed and spermatogonial proliferation expanded along the ovary which degenerated. All types of male germ...
Tipo: Journal (Paginated) Palavras-chave: QP Physiology.
Ano: 2006 URL: http://phy043.tours.inra.fr:8080/archive/00000241/
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New insights into temperature-induced white muscle growth plasticity during Dicentrarchus labrax early life : a developmental and allometric study Inra
Alami-Durante, H.; Rouel, M.; Kentouri, M..
Tipo: Journal Article Palavras-chave: CROISSANCE; MUSCLE BLANC; PLASTICITE.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007cb7aae6&uri=/notices/prodinra1/2007/11/
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Rearing techniques for difficult marine fish larvae OMA
Dhert, Ph.; Divanach, P.; Kentouri, M.; Sorgeloos, P..
In finfish mariculture, seed production and larval rearing still form the bottleneck for all ongrowing operations and are considered as the main limiting factor for industrial development. Through trial and error more than through biological understanding two opposite hatchery techniques have been developed which surprisingly control a multiparametric combination of different factors but aspire to the same objective of conformity with wild standards and the cost-effective production of larvae. In intensive aquaculture, the rearing technique is characterised by high initial larval densities in small tanks under strict hydraulic, thermic, and nutritional conditions. The light conditions are artificial. The temperature and quality of water are controlled. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquaculture techniques; Environmental conditions; Fish eggs; Fish larvae; Food organisms; Industrial production; Marine fish; Rearing; Seed (aquaculture); Artemia; Brachionus plicatilis; Pisces [Fish].
Ano: 1998 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=301
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The influence of two temperatures maintained constant during incubation and larval life on the early myotomal red muscle growth and activity of European sea bass (Dicentrarchus labrax L.) Inra
Alami-Durante, H.; Olhasque, V.; Ashton, C.; Stickland, N.; Kentouri, M.; Divanach, P..
Tipo: Conference Paper Palavras-chave: FISH; SKELETAL MUSCLE; HYPERPLASIA; HYPERTROPHY; ENZYME ACTIVITY.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20073933100f&uri=/notices/prodinra1/2008/03/
Registros recuperados: 4
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