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| Registros recuperados: 16 | |
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| In view of the importance of the intestine in the osmoregulation of freshwater fishes, we determined the effects of oxytocin, urotensin II (UII), and aldosterone added to the serosal side of the isolated posterior intestine of the freshwater-adapted teleost Anguilla anguilla on electrophysiological parameters. Oxytocin decreased the short-circuit current (SCC) and transepithelial potential difference (TPD) at concentrations of 1 and 10 mU/ml (to 50% and 42% of control values, respectively), but did not alter these parameters at a concentration of 0.1 mU/ml. UII reduced SCC and TPD at concentrations of 10 nM, 50 nM and 100 nM (to 85% of control values), but increased these parameters at the concentration of 500 nM (to 115% of control values). Aldosterone... |
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Palavras-chave: Intestine; Anguilla anguilla; Oxytocin; Urotensin II; Aldosterone. |
| Ano: 1997 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000100006 |
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| Bru, Noelle; Prouzet, Patrick; Lejeune, Michel. |
| The European eel (Anguilla anguilla) is drastically declining in all its distribution area and listed in the red list of the IUCN (International Union for Conservation of Nature). A rebuilding plan was adopted at European level in 2007, Regulation R(CE) 100/2007, to restore eel abundance to the level observed during the seventies. Its implementation started on the 1(st) of January 2009. This species is heavily threatened by numerous activities including fishing, and its management can only be effective through a systemic approach minimizing the whole range of human-induced impacts on the resource and its habitat. In the framework of the European interregional programme INTERREG IIIB-Atlantic Area-the INDICANG project aimed at elaborating abundance... |
| Tipo: Text |
Palavras-chave: Biomass estimates; Exploitation rate; Time series; River; Glass eel; Anguilla anguilla. |
| Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/00000/11170/7526.pdf |
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| Zerai, T.; Mestiri, F.; Romdhane, M.S.; Mejri, S.. |
| L’effet de l’addition de trois types d’additifs naturels: le thym (Thymus vulgaris), le laurier (Laurus nobilis) et le romarin (Rosmarinus officinalis) sur l’amélioration de la conservation de l’anguille fumée a été étudié. Une comparaison des caractéristiques microbiologiques, physicochimiques et organoleptiques du produit, par rapport au lot témoin, fumé sans additifs a été réalisée durant 5 semaines à 4 °C. Nous avons trouvé que l’addition du thym, a permit une réduction de la flore aérobie mésophyte totale (FAMT), a ralenti la formation de l’azote basique volatil total (ABVT), et a permit une réduction de l’oxydation de la matière grasse. Le lot ainsi traité, a été très apprécié par les dégustateurs, et le thym a eu un effet améliorateur sur le... |
| Tipo: Journal Contribution |
Palavras-chave: Chemical analysis; Cured products; Microbiological analysis; Processing fishery products; Quality; Storage life; Taste tests; Anguilla anguilla; Laurus nobilis; Rosmarinus officinalis; Http://aims.fao.org/aos/agrovoc/c_41152; Http://aims.fao.org/aos/agrovoc/c_4227; Http://aims.fao.org/aos/agrovoc/c_6660. |
| Ano: 2006 |
URL: http://hdl.handle.net/1834/4278 |
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| Gatri, Y.; Mestiri, F.; Romdhane, M.S.; Mejri, S.. |
| The effect of marination on the shelf life of smoked eel (Anguilla anguilla) was investigated. The fish was hot smoked at 80°C for 90 min and separated into two samples: Lot A was immersed in a solution containing 4% acetic acid, 4% lemon juice and 10% NaCl, then stored at 4°C during 7 days. After the marination process, samples were transferred to a diluted solution, containing 2% acetic acid, and 2% NaCl. Lot B was directly immersed in the same diluted solution. Chemical (total volatile basic nitrogen), physical (pH), microbiological (Total viable count, coliforms, pathogen staphylocoques, sulphate reducing bacteria and salmonellas) and sensory analyses were performed on both lots during the storage. The marination reduced considerably the bacterial... |
| Tipo: Journal Contribution |
Palavras-chave: Anguilla anguilla; Conservation; Cured products; Curing; Quality control; Storage life; Taste tests; Storage life; Http://aims.fao.org/aos/agrovoc/c_14621. |
| Ano: 2007 |
URL: http://hdl.handle.net/1834/4260 |
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| Peruzzi, Stefano; Chatain, Beatrice; Menu, Bruno. |
| The nuclear DNA content in Dicentrarchus labrax, Sparus aurata, Liza ramada, and Anguilla anguilla, was measured by flow cytometric analysis. Male human leukocytes were used as internal reference cells. Nucleated fish erythrocytes were stained simultaneously to human leukocytes with a staining buffer containing propidium iodide (PI). Nuclear DNA contents of target species were estimated in relation to an assigned value of 7.0 pg DNA for male human leukocytes. The DNA content/nucleus (+/- CI) was 1.55 +/- 0.02 pg for D. labrax, 1.90 +/- 0.03 pg for S. aurata, 1.57 +/- 0.02 pg for L. ramada, and 2.43 +/- 0.04 pg for A. anguilla. Intraspecific DNA content variations ranged from 0-9% and averaged around 4% in all taxa. The results did not evidence significant... |
| Tipo: Text |
Palavras-chave: Anguilla anguilla; Liza ramada; Sparus aurata; Dicentrarchus labrax; Teleosts; DNA content. |
| Ano: 2005 |
URL: http://archimer.ifremer.fr/doc/2005/publication-411.pdf |
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| Cucherousset, J; Paillisson, J; Carpentier, A; Thoby, V; Damien, J; Eybert, M; Feunteun, Eric; Robinet, T. |
| For decades, the European eel Anguilla anguilla (L.) population has been declining strongly despite several management attempts, so additional experiments need to be conducted on management measures. The use of freshwater protected areas has been advocated but their efficiency has never been assessed. In this study, we investigated whether the population structure and the silver eel (mature migrating stage) production differ in fished and protected areas within a marsh wetland (Briere, 7000 ha, Northwest France), using an intensive biological study (electrofishing and trapping) and a survey of the traditional fishery (licenses, questionnaires and creel surveys). First, we found that fishermen mainly targeted > 320-mm yellow eels (sedentary stage) using... |
| Tipo: Text |
Palavras-chave: Coastal freshwater marsh; Habitat restoration; Protected area; Spawners production; Anguilla anguilla. |
| Ano: 2007 |
URL: http://archimer.ifremer.fr/doc/2007/publication-3522.pdf |
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| Gascuel, Didier; Elie, Pierre. |
| The study of 41 samples, which were perfomed in the Loire and Vilaine estuaries, during elver fishing seasons 1979-80 and 1980-81, allowed us to define a rapid method of sample analysis in laboratory. The fish catches of one-year old and over were not abundant (eel, mullet, sprat, flounder, sole); on the other hand, larval stages of herring, flounder and also of mullet, sole and sprat were caught in large quantities. In addition, there were numerous catches of brown shrimp and species of trophic interest such as goby and macroplanktonic crustaceans. It is noteworthy that the by-catches are numerous during the fishing season. |
| Tipo: Text |
Palavras-chave: Anguilla anguilla; Fishery statistics. |
| Ano: 1982 |
URL: http://archimer.ifremer.fr/doc/1982/publication-1882.pdf |
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| Politis, Sebastian Nikitas; Sorensen, Sune R.; Mazurais, David; Servili, Arianna; Zambonino-infante, Jose-luis; Miest, Joanna J.; Clemmesen, Catriona M.; Tomkiewicz, Jonna; Butts, Ian A. E.. |
| Digestive system functionality of fish larvae relies on the onset of genetically pre-programmed and extrinsically influenced digestive functions. This study explored how algal supplementation (green-water) until 14 days post hatch (dph) and the ingestion of food [enriched rotifer (Brachionus plicatilis) paste] from 15 dph onward affects molecular maturation and functionality of European eel larval ingestion and digestion mechanisms. For this, we linked larval biometrics to expression of genes relating to appetite [ghrelin (ghrl), cholecystokinin (cck)], food intake [proopiomelanocortin (pomc)], digestion [trypsin (try), triglyceride lipase (tgl), amylase (amyl)], energy metabolism [ATP synthase F0 subunit 6 (atp6), cytochrome-c-oxidase 1 (cox1)], growth... |
| Tipo: Text |
Palavras-chave: Anguilla anguilla; Ingestion; Digestion; Gene expression; RNA/DNA; Aquaculture. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00463/57445/59550.pdf |
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| Cossa, Daniel; Maggi, Pierre. |
| In this research, biodegradation associated with evaluation of the variations of acute toxicity of 5 anionic detergents towards Anguilla anguilla is described. It appears that the process of anionic detergent biodegradation in sea water is similar to the results obtained by many authors working on fresh water. The experimentation shows 2 different kinds of behavior among the 5 anionic detergents tested: (a) the first category is composed of syndets, without aryl group in their formulation, which are promptly oxidized by bacteria and do not reveal variation of acute toxicity during their biodegradation; (b) the other group includes LAS; those syndets need a quite long bacterial acclimation. On the other hand, their toxicity is reduced whilst they are... |
| Tipo: Text |
Palavras-chave: Anguilla anguilla; Toxicity; Biodegradation; Anionic detergent. |
| Ano: 1973 |
URL: http://archimer.ifremer.fr/doc/1973/publication-2155.pdf |
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| Amilhat, Elsa; Farrugio, Henri; Lecomte-finiger, R.; Simon, Guillaume; Sasal, P.. |
| Much concern has been raised about the decline in the European eel (Anguilla anguilla) population. European management plans for the recovery of the stock are now in preparation, the main objective being to increase the escapement of the potential spawners (silver eels) in each basin to allow 40% of the pristine biomass to escape. However, there are relatively few studies on silver eel escapement and production, and no recent measurement of escapement in lagoons, habitats which support large silver eel sub-populations in the Mediterranean region. A mark-recapture study was carried out in autumn 2007 in order to estimate the number of silver eels migrating from the Bages-Sigean lagoon in the South-West of France. The migrating population, mostly males... |
| Tipo: Text |
Palavras-chave: Escapement; Mark recapture; Mediterranean lagoon; Silver eel; Anguilla anguilla; Échappement; Marquage recapture; Lagune méditerranéenne; Anguille argentée; Anguilla anguilla. |
| Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/2008/publication-6611.pdf |
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| Amilhat, Elsa; Fazio, Geraldine; Simon, Gael; Manetti, Marc; Paris, Severine; Delahaut, Laurence; Farrugio, Henri; Lecomte-finiger, Raymonde; Sasal, Pierre; Faliex, Elisabeth. |
| The degradation in the quality of silver eel and their health could have been a major factor in the collapse of the European eel (Anguilla anguilla) population. However, the health status of the spawners has been poorly studied until now. This study evaluated the quality of migrant male silver eels from four Mediterranean habitats in France presenting different degrees of contamination: Canet-Saint-Nazaire, Salses-Leucate and Bages-Sigean lagoons and La Berre River. We considered pathogens including Anguillicoloides crassus and EVEX virus and the concentration of chemical contaminants including PCBs, OCs and heavy metals. Our study results revealed different patterns of pollution and infection in the four habitats, with high individual variability. No... |
| Tipo: Text |
Palavras-chave: Anguilla anguilla; Mediterranean lagoons; Silver eel; Contamination; Spawner quality; Pathogens. |
| Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00171/28252/26543.pdf |
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| Registros recuperados: 16 | |
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