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Registros recuperados: 20
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Assessment from space of mangroves evolution in the Mekong Delta, in relation to extensive shrimp farming ArchiMer
Tong, P. H. S; Auda, Y; Populus, Jacques; Aizpuru, M; Al Habshi, A. Al; Blasco, F.
This study is an attempt to produce an assessment of the impact of shrimp aquaculture in the Mekong Delta (Viet Nam) on mangrove ecosystems. For this exercise we selected two sub-areas (Ca Mau and Tra Vinh provinces) encompassing a variety of land uses and ecological conditions. Twenty stations in Tra Vinh and 15 stations in Ca Mau have been surveyed several times from September 2000 to March 2002. Field investigations included mangrove soils studies, measurements of pH and salinity of the water, analysis of mangrove flora, and density and structure of the vegetation. Four Systeme Probatoire de l'Observation de la Terre (SPOT) scenes were used for the discrimination of mangrove types and for the delineation of landscape units. For the first time, five...
Tipo: Text Palavras-chave: Crevette; Aquiculture; Exploitation agricole; Mangrove; Discrimination; Indice végétation; Extrême Orient; Asie; Macrura; Decapoda; Crustacea; Arthropoda; Invertebrata.
Ano: 2004 URL: https://archimer.ifremer.fr/doc/2004/publication-2303.pdf
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Caractérisation et analyse de l'expression des pénaeidines, peptides antimicrobiens isolés chez la crevette pénéide Penaeus vannamei (Crustacea, Decapoda) ArchiMer
Destoumieux, Delphine.
Haemocytes are the key elements of a complex defence system on which crustacean immunity is largely based. We report here for the first time in a crustacean that haemocytes are involved in the synthesis of antimicrobial peptides similar to those described in other arthropod classes. These molecules isolated from the penaeid shrimp Penaeus vannamei are members of an homogeneous farnily which differ from the antimicrobial peptides previously described in that they combine in a single molecule a proline-rich arninoterminal domain, and a cyclic carboxy-terminal domain containing three intramolecular disulphide bridges. In addition, penaeidins bear post-translational modifications at their arnino- and carboxy-termini. Five molecules of the penaeidin family were...
Tipo: Text Palavras-chave: Crustacé; Crevette; Immunité; Hémocyte; Peptide; Antimicrobien; Cationique.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00440/55111/56564.pdf
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Contribution à l'étude de la compatibilité des élevages de palourdes en association avec des crevettes impériales ArchiMer
Ratiskol, Jacqueline; Faury, Nicole; Masson, Daniel.
La présente étude a été réalisée à la demande de la SEMDAC de Charente Maritime a fin de contribuer à la connaissance de ce phénomène dans le cas de l'élevage simultané de crevettes impériales (Penaeus japonicus) et de palourdes (Ruditapes philippinarum), Le suivi hydrologique et bactériologique des élevages a été réalisé dans des marais aménagés au voisinage de Marennes, en bordure de Seudre et alimentés en eau par des chenaux reconnus salubres.
Tipo: Text Palavras-chave: Aquaculture; Elevage; Crevette; Penaeus japonicus; Palourde; Ruditapes philippinarum; Hydrologie; Bactériologie.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00119/23073/20914.pdf
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Crustaces profonds captures aux casiers aux Antilles françaises - 1996 ArchiMer
Paulmier, Gerard.
For several years the fishermen of the West Indies have directed their activities towards new fishing grounds, notably the bathyales zones adjacent to island plateaux up to approximately 1000 metres in depth. Explorations carried out since 1989 have shown that diverse crustacean populations could be exploited. However, populations and exploitable stocks are not well known. The use of crustaceans traps as a fishing technique permits the capture of shellfish, shrimps and prawns of which at least six species could have commercial interest. The main objective of this work is do draw up an inventory of the principal commercial species as well as the accompanying species belonging to the subordres Decapoda macrura, anomura, brachyura and to the orders Isopoda...
Tipo: Text Palavras-chave: Crab; Prawn; Shrimp; Depth; Crustaceas; Inventory; French Antillean; Crabe; Langoustine; Crevette; Profond; Crustace; Inventaire; Antilles françaises.
Ano: 1996 URL: http://archimer.ifremer.fr/doc/1996/rapport-1543.pdf
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Developpement embryonnaire de Palaemon serratus : Resultats preliminaires ArchiMer
Bellon, H.
The formation of the limbs, the digestive tract, the nervous system, the sensory and hormonal structures begins in this prawn during the embryonic stage C, according to Richard's definition (1974) and is performed at the stage H. The digestive tract differentiates with a caudo-cephalic gradient. The digestive gland is formed at least partially by vitellophages. The C.N.S. appears with a cephalo-caudal gradient and the regions of the eyestalk are quickly differentiated. The organ of Bellonci and the sensory pore appear independently during the stage F. The first neurosecretory cells are detected in the brain during the stage D.
Tipo: Text Palavras-chave: Palaemon serratus; Malacostraca; Digestive glands; Sense organs; Nervous system; Digestive system; Organogenesis; Embryonic development; Organe de Bellonci; Développement embryonnaire; Crevette.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1187.pdf
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Effet des conditions environnementales sur le développement des pathologies à Vibrio dans les élevages de crevettes en Nouvelle-Calédonie ArchiMer
Lemonnier, Hugues.
Shrimp aquaculture in New Caledonia is a developing industry, exclusively based on the species Litopenaeus stylirostris. However, it is subject to mortalities during grow out as observed all over the world. Since 1993, shrimp reared during the cold period are affected by a disease named "syndrome 93". As a consequence, the whole industry has become seasonal and produces essentially during the warm season. The climatic conditions during the periods of transition between the two main seasons could be responsible for an environmental stress and the origin reason for mortality outbreaks. Stocking density is the main risk factor. It increases the probability of the appearance and development of the epizooty in the pond. The "Summer Syndrome", a septicemic...
Tipo: Text Palavras-chave: New Caledonia; Risk factors; Environmental stress; Vibriosis; Epizooty; Pond management; Eutrophication; Pond health; Shrimp; Litopenaeus stylirostris; Peneids; Aquaculture; Nouvelle Calédonie; Facteur de risque; Stress environnemental; Vibrioses; Pratiques d'élevage; Eutrophisation; Santé de l'écosystème bassin; Crevette; Litopenaeus stylirostris; Pénéides; Aquacultre.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/these-2643.pdf
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Evaluation du probiotique bactérien Pediococcus acidilactici MA18/5M chez la crevette pénéide Litopenaeus stylirostris en Nouvelle- Calédonie ArchiMer
Castex, Mathieu.
P. acidilactici MA 18/5M is a dietary probiotic (BACTOCELL®) which has shown its efficiency on several terrestrial and aquatic species. The present thesis aimed to investigate more fully the effects of this probiotic on cultured penaeid shrimps. For this study, we chose a global approach by replacing the problem studied in a model of interactions between three compartments: the shrimp, its intestinal microflora and the probiotic. Having first defined how the probiotic should be administrated, we studied its effects under controlled laboratory conditions at several levels of Litopenaeus stylirostris biology: (i) Nutritional status and growth, (ii) associated bacterial microflora, and (iii) health status with respect to oxidative stress. Then the probiotic...
Tipo: Text Palavras-chave: Floating cages; Vibriosis; Oxidative stress; Intestinal microflora; Nutrition; Growth; Shrimp; Pediococcus acidilactici; Probiotic; Cages flottantes; Vibriose; Stress oxydant; Microflore intestinale; Nutrition; Croissance; Crevette; Pediococcus acidilactici; Probiotique.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/these-6814.pdf
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Fiches biotechniques d'aquaculture ArchiMer
CNEXO.
Ces fiches sont des documents de synthèse. Elles sont destinées à apporter une réponse à certaines des questions auxquelles doivent faire face des vulgarisateurs et animateurs en aquaculture.
Tipo: Text Palavras-chave: Salmonidés; Sole; Turbot; Palourde; Loup; Crevette; Daurade; Aquaculture.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/00444/55539/57129.pdf
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Grossissement de crevettes Penaeus japonicus dans les marais de l'Atlantique. Résultats des essais d'intensification 1986 à 1988 ArchiMer
Aqualive.
From 1986 to 1988 assays have been achieved in Noirmoutier IFREMER station aiming at increasing yield of grow-out of P. japonicus under semi-intensive conditions in earth ponds. Rearing methods were similar to those used in tropical areas, for other peneid species, and in Japan for this species. Yields of 130 to 270g/sq.m. were obtained, with final average weight of 15g. Marginal costs have been lower than marginal production in assays achieved in 4000sq.m. ponds. Pumps and aerators were necessary to achieve this increase in yield. This method is not appropriate in every part of Atlantic salted marshes
Tipo: Text Palavras-chave: Crevette; Pénéides; Penaeus japonicus; Elevage semi-intensif; Croissance; Mortalité; Consommation.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/00452/56312/57906.pdf
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Histogenese de l'organe Y (glande de mue) chez l'embryon de la crevette Palaemon serratus (Pennant) (crustace decapode Natantia) ArchiMer
Leroux, A.
The Y organ appears during the embryonic development of the prawn (P. serratus ) at a stage approximately C, according to Richard's definition (1974). 3 weeks separate this stage from hatching at a temperature of 20 degree C. The organ formation is realized over 48 hours and is marked by an histological modification and a small mitotic crisis in the epidermal tissue from which it differentiates. Its metameric localization is mainly maxillular.
Tipo: Text Palavras-chave: Palaemon serratus; Malacostraca; Eggs; Organogenesis; Embryonic development; Histology; Organe Y; Histogenèse; Crevette.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1193.pdf
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Identification de marqueurs génétiques de la virulence chez Vibrio nigripulchritudo, un pathogène de crevettes pénéides en Nouvelle-Calédonie ArchiMer
Reynaud, Yann.
Since 1997, a new pathology seasonally occurs in new caledonian shrimp farms during the warm season and was named Summer Syndrome. Diseased Litopenaeus stylirostris shrimp suffer from a septicemic vibriosis which was attributed to V. nigripulchritudo. Preliminary studies based on a collection of V. nigripulchritudo strains have brought to light different virulence levels according to experimental infections results; three virulence statuses were defined: highly (HP), moderately (MP) and non pathogenic (NP). The aim of this work was to genetically characterize virulent V. nigripulchritudo strains. In a first step the genetic diversity of 58 V. nigripulchritudo strains was analyzed by MLST and AP-PCR, revealing a cluster of HP and MP strains, characterized...
Tipo: Text Palavras-chave: Plasmide; SSH; Épidémiology; Virulence; Shrimp; Vibriosis; Vibrio nigripulchritudo; Plasmide; SSH; Épidémiologie; Virulence; Crevette; Vibriose; Vibrio nigripulchritudo.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/these-3906.pdf
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Influence de l'environnement trophique de l'élevage en biofloc sur les performances physiologiques de la crevette Litopenaeus stylirostris : Étude de paramètres de la nutrition, de l'immunité et de la reproduction ArchiMer
Cardona, Emilie.
Biofloc is an intensive rearing system with zero or minimal water exchange where a diverse population of microorganisms (microalgae, zooplankton and bacteria) develops in association with organic matter to form the floc particles. These particles play the double role of biological filter and dietary supplement. This dissertation aims to better understand the process of this rearing system and its interactions with the Litopenaeus stylirostris shrimp. Two specific objectives were integrated within the framework of this general objective: (i) to measure the production gain from biofloc rearing and (ii) to study the interaction between biofloc environment and shrimp and to assess its role on production performances of shrimps. Thus, our results show...
Tipo: Text Palavras-chave: Biofloc; Crevette; Nutrition; Stress oxydant; Défenses antioxydantes; Immunité; Reproduction; Oeufs; Larves; Bactéries; Microbiote; Biofloc; Shrimp; Nutrition; Oxidative stress; Antioxidant defences; Immunity; Reproduction; Eggs; Larvae; Bacteria; Microbiota.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00272/38294/36492.pdf
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Is it possible to raise, offspring of the 25th generation of Litopenaeus vannamei (Boone) and 18th generation Litopenaeus stylirostris (Stimpson) in clear water to 40 g? ArchiMer
Cuzon, Gerard; Arena, Leticia; Goguenheim, Jean; Goyard, Emmanuel.
Peneid shrimp are commonly reared in clear-water aquaria or tanks for short-term studies of 4-6 weeks during controlled experiments, such as nutrition studies to estimate dietary nutrient requirements. Recently, in line with the genetic program at Centre Oceanologique du Pacifique (COP), experimental clear-water facilities were tested for the first time over a longer rearing period. Environmental conditions used to maintain animal growth in clear-water system using a well-balanced diet were defined. After 100 days, shrimp growth rates tended to decrease and only by adjusting the diet could shrimp complete their life cycle and reach maturation size of around 40 g. This paper presents information on stocking density, diet quality and husbandry linked to...
Tipo: Text Palavras-chave: Formulated diets; Husbandry; Quarantine; Litopenaeus stylirostris; Shrimp; Nutrition; Zootechnie; Quarantaine; Litopenaeus stylirostris; Crevette.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-619.pdf
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L'élevage larvaire de crevettes en Nouvelle-Calédonie. L'Oxytétracycline et l'association Triméthoprime - Sulfadiazine en tant qu'alternatives à l'emploi de l'Erythromycine en écloserie ArchiMer
Francois, Cyrille.
Aquaculture of penaeid shrimps holds a major place in productions of animals. New Caledonia takes part to these productions by developing the breeding of Pacific blue shrimp Litopenaeus stylirostris. Nowadays, penaeid larviculture can’t be undertaken unless antibiotics are used. Experiments in the Caledonian Aquacultural Laboratory (LAC IFREMER Saint-Vincent) put across to the development of two antibiotic prophylaxis plans for substitution of erythromycine, one plan with oxytetracycline (hydrochloride), the other plan with trimethoprime-sulfadiazine association. After an antimicrobial agent susceptibility testing of bacteria and an acute toxicity study, efficacity assays are the biological validation of these projects of protocols
Tipo: Text Palavras-chave: Crevette; Ecloserie; Oxytétracycline; Triméthoprime; Sulfadiazine; Shrimp; Hatchery; Oxytetracycline; Trimetroprime; Sulfadiazine.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/00072/18312/15877.pdf
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Pathologie des invertébrés marins d'intérêt aquacole. Contribution et stratégies de recherches ArchiMer
Mialhe, Eric.
Les productions d'invertébrés sont prépondérantes en aquaculture marine qui est économiquement très importate pour un grand nombre de pays, notamment de la zone Sud. Cette activité est confrontée à de nombreux problèmes des pathologie qui remettent en cause sa périnnité et son développment. Jusque dans les années quatre-vingt, les travaux relatifs à la pathologie des mollusques et des crevettes ont essentiellement porté sur la description des agents pathogènes. La création en 1985 par l'ISTPM/IFREMER d'un laboratoire pourvu de tous les équipements nécessaires aux techniques de pathologie a permis de mettre en place un programme de recherches orienté vers le contrôle des maladies. Une double stratégie de travail a été alors défine pour apporter  à...
Tipo: Text Palavras-chave: Pathologie; Immmunologie; Génétique; Mollusque; Crevette; Diagnostic; Epidémiologie; Traitement; Sélection; Transformation génétique.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/00443/55479/57009.pdf
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Pêche et riziculture au Surinam. Impact de la riziculture sur les ressources halieutiques ArchiMer
Dintheer, Christian; Abbes, Rene; Fritsch, Jean-marie.
La pêche et la riziculture font partie des secteurs économiques les plus importants du Surinam. Depuis près de 30 ans, la riziculture par poldérisation des zones basses et marécageuses a permis de mettre en valeur toute la bande littorale de l’ouest du pays ; cette culture s’accroit encore aujourd’hui de façon significative. Le secteur halieutique quant à lui regroupe d’une part une pêche industrielle exploitant les crevettes du plateau continental et d’autre part une pêche artisanale traditionnelle qui recherche essentiellement les poissons sur les petits fonds côtiers et dans les marais saumâtres.
Tipo: Text Palavras-chave: Riziculture; Pêche industrielle; Pêche artisanale; Crevette; Environnement; Pesticide; Guyanes.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/00071/18272/15839.pdf
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Peches experimentales des crustaces profonds dans les eaux de la martinique ( pandalidae, nephropidae ). Prospections, rendements et biologie des especes. ArchiMer
Paulmier, Gerard; Gervain, Paul.
The principal objective of the work carried out in the deep waters adjoining the island shelf around Martinique between July 1991 and april 1992 was to establish an initial inventory of potentially exploitable deep benthic resources.The cylindrical lobster pot used during fishing experiments allowed the catch of a varied carcinological marine organisms of which six species at least have economic interest : 5 species of shrimp all belonging to the sub-order of Caridea of the Pandalidae family : Plesionika edwardsi, P. (macropoda) polyacanthomerus, P.laevis, Heterocarpus ensifer and H.laevigatus, and one species of prawn of the Nephropidae family : Eunephrops cadenasi. The yields, compared to those of commercial fishermen, were medium or good for Plesionika...
Tipo: Text Palavras-chave: Depth; Biology; Fishinf; Prawn; Shrimp; Crustaceas; Martinique; Profond; Biologie; Pêche; Langoustine; Crevette; Crustace; Martinique.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/1994/rapport-1540.pdf
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Traitement des crevettes contre le noircissement .Mise au point d'une ligne de traitement ArchiMer
Chantreau, Patrick.
Once fished, the shrimps must be cooled quickly in water cooled in order to slow down all chemical and bacteriological activities. In addition, in order to avoid blackening (mélanose) shrimps (céphalothorax and legs) it is necessary to treat those with an antioxydant product. The product currently used to inhibit this enzymatic change is the soda niétabisuifite (Na-> S7 O5), until now, after being fished. the shrimps were directly soaked in a cooled water tank, containing the pesticide. The solution of treatment was progressively prepared needs. The concentration of this one was approximately 2 to 3% of métabisulfite, that is to say 6 to 9 G of SO2 per liter for a starting product containing 320 G of SO2 approximately. In order to preserve a good...
Tipo: Text Palavras-chave: New Caledonia; Blackening; Treatment; Penaeus stylirostris; Shrimp; Nouvelle Calédonie; Noircissement; Traitement; Penaeus stylirostris; Crevette.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/1991/rapport-1648.pdf
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Traitement des langoustines et des crevettes contre le noircissement ArchiMer
Chantreau, Patrick; Vallet, Jean-luc.
The conservation of crawfish requires the use of chemical substances making it possible to limit blackening. This phenomenon this blackening (melanine) is due to the coordinated action of three elements: - oxygen, - an enzyme (cupro-protein), - a suitable substrate, tyrosin or the dihydroxyphénylalanine. The absence of the one of them allows a notorious reduction in the phenomenon. Several antioxydant products, were used to prevent the formation of the mélanine. The métabisutfite of soda or potassium as well as soda bisulfite in acid solution, are currently used to treat crawfish and shrimps. Several methods of use of these pesticides exist, we propose in this report to present the principal ones, as well as the control methods making it possible to...
Tipo: Text Palavras-chave: Regulation; Sprinkling; Antioxydant; Technology; Treatment; Shrimp; Crawfish; Réglementation; Aspersion; Antioxydant; Technologie; Traitement; Crevette; Langoustine.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/1991/rapport-1586.pdf
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Validation du TED et essais d'une nouvelle grille sélective dans la pêcherie crevettière de Guyane2007 ArchiMer
Meillat, Marc; Morandeau, Fabien; Achoun, Joseph; Barthelemy, Patricia.
This work is in line with the fishing technology section of the DUHAL (Durability of Halieutic activities) action. It aims to reduce the "side" catches associated with shrimp fishing in French Guyana. Shrimp trawling is indeed considered as one of the fishing activities which generates the most waste. The campaign carried out in November/December 2006 had lead to the following conclusions [...]
Tipo: Text Palavras-chave: Bycatch Reducing Device; Radial Escape Section; Duhal; Survey campaign; Shrimp; Selectivity; Grille Nordmore; Mailles carrées; BRD; RES; TED; Duhal; Grille; Campagne à la mer; Crevette; Sélectivité.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/rapport-6683.pdf
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