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Anatomy and physiology of digestive tract of crustaceans decapods reared in aquaculture ArchiMer
Ceccaldi, H.
The digestive tract of crustacea is complex. It is composed of a shor t oesophagum, a stomach with two bags, and internal wall with appendags specialized in grinding of feeds. These hard mastication pieces represent the gastric mill. Setae, filters included in the stomach structure allow the separation between food particles and liquid compounds. Those one are coming over through filters and more on to the digestive gland tubules or mid gut gland. In this organ, several types of cells play specialized functions: absorption, enzyme secretion, stocking function. Some cells of a new type, with undefined function, may be neurosecretions function, have been described recently. The end of tubules of digestive gland exhibits cells with embryonic characteristics....
Tipo: Text Palavras-chave: Decapoda; Neurosecretion; Feed; Rearing; Digestive glands; Enzymes; Stomach; Crustacean culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1486.pdf
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Aquaculture of edible species in French Polynesia ArchiMer
Patrois, Jacques.
In French Polynesia, the research on rearing edible species has began in 1971. The aims were: to develop the local production of sea foods to satisfy the domestic market and to create new activities and employments in rural areas.
Tipo: Text Palavras-chave: Penaeus stylirostris; Penaeus indicus; Penaeus monodon; Macrobrachium rosenbergii; Perna viridis; Crassostrea rhizophorae; Saccostrea echinata; Mollusca; Prawn culture; Shrimp culture; Rearing; Marine fish; Marine molluscs; Marine crustaceans; Freshwater crustaceans; Aquaculture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1450.pdf
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Ascophrys rodor (Campillo and Deroux) parasite of the reared common prawn P. serratus). ArchiMer
Deroux, G.; Campillo, Albert; Bradbury, Ph. C..
A disease whose severity seems directly bound to conditions of cultivation can cause a heavy mortality in the common prawn Palaemon serratus (Pennant) at molting. The causative agent, A. rodor, is a ciliate, a common external parasite whose life cycle is adapted to the molting cycle of the shrimp. The principal factors favorable to the development of the parasite were studied: age of the host, water temp, numbers of shrimps as a function of the quantity of water and its renewal. The sp A. rodor, although related to the Conidophryidae, Kirby, 1941 (1936) has significant differences (1) in its ethology (it feeds on the exoskeleton without penetrating to its hosts' tissues), (2) in its vegetative multiplication (tomitogenesis combines the cortical...
Tipo: Text Palavras-chave: Askoella heliostoma; Askoella janssoni; Conidiphrys; Terebrospira lenticularis; Palaemon varians; Palaemon serratus; Ascophrys rodor; Parasitic diseases; Parasites; Rearing.
Ano: 1975 URL: http://archimer.ifremer.fr/doc/1975/publication-2026.pdf
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Aspectos econômico, ambiental e social da utilização do amendoim forrageiro em pastagens consorciadas para recria-engorda de bovinos de corte no Acre. Repositório Alice
SA, C. P. de; ANDRADE, C. M. S. de; VALENTIM, J. F.; BAYMA, M. M. A..
Analisa o retorno econômico e os impactos ambientais e sociais resultantes da utilização da leguminosa Arachis pintoi cv. Belmonte (amendoim forrageiro) em pastos consorciados com gramíneas sobre a atividade de recria e engorda de bovinos de corte no Acre. Foi estimado o benefício econômico gerado pelo sistema que utiliza pastagens já estabelecidas constituídas pelo consórcio do amendoim forrageiro com o capim-estrela-africana. A avaliação dos impactos ambientais e sociais foi realizada com base no sistema de avaliação de impacto ambiental da inovação tecnológica agropecuária (AMBITEC-AGRO) e no sistema de avaliação de impacto social da inovação tecnológica (AMBITECSOCIAL). Os resultados mostraram que os Índices de Impactos Ambiental e Social médios da...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Amendoim forrageiro; Arachis pintoi cv Belmonte; Forage peanut; Capim Estrela Africana; Cynodon nlemfuensis; Ambitec-Social; Ambitec-Agro; Amazônia Ocidental; Gado de corte; Recria; Engorda; Pastagem consorciada; Leguminosa forrageira; Gramínea forrageira; Análise de custo-benefício; Impacto ambiental; Impacto social; Beef cattle; Rearing; Finishing; Mixed grazing; Forage legumes; Forage grasses; Costs and returns; Environmental impact; Social impact; Ganado de carne; Criando (animales); Terminación; Pastoreo mixto; Leguminosas forrajeras; Pastos forrajeros; Costos y rendimientos.
Ano: 2009 URL: http://www.alice.cnptia.embrapa.br/handle/doc/661547
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Concevoir des structures pour l'élevage des poissons en mer ArchiMer
Priour, Daniel.
The quick evolution of fish farming in Europe, and its development towards the open sea needs suitable farming tools. These tools must withstand the difficult sea states, but they must be easy to use, well adapted to the fish farming and not too much expensive. This book helps the design of such tools. It defines the solicitations of the sea on all the structures, and presents rules and methods to control these solicitations. Here, a structure is composed of a rearing support, a mooring system and equipments. This book describes these components, class them and gives lists of providers. The rearing support can be a cage, a group of cages or a boat. The support can float or to be submersible. The mooring system can be made up ropes, chains, anchors,...
Tipo: Text Palavras-chave: Aquaculture equipment; Mooring systems; Anchoring; Aquaculture techniques; Structures; Sea water; Life support systems; Aquatic environment; Cage culture; Marine technology; Rearing; Fish culture.
Ano: 1995 URL: http://archimer.ifremer.fr/doc/1995/rapport-1667.pdf
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Contribution a l'etude de l'elevage de la crevette rose Palaemon serratus (Pennant) en captivite. ArchiMer
Campillo, Albert.
The growth of post-larval P. serratus has been studied until the appearance of secondary sexual characters, in order to eliminate the influence of sex ratio on the mean wt. The influence of temp on intermolt period and number of molts was observed in male and female kept individually. Different sorts of food of natural origin have been tested. The rearing of post-larval lots metamorphosed at different times of the yr showed that the growth of P. serratus is conditioned not only by the temp, but also by the season. The food conversion ratio was defined in relation to the sex and age of the prawns. Shelters allowed the author to obtain a ratio of survival which varied post-larvae per square meter. The sex ratio established from several breedings as soon as...
Tipo: Text Palavras-chave: Phaeodactylum tricornutum; Tetraselmis suecica; Artemia; Palaemon serratus; Crustacean culture; Larval development; Larvae; Induced breeding; Hatching; Controlled conditions; Laboratory culture; Rearing.
Ano: 1975 URL: http://archimer.ifremer.fr/doc/1975/publication-2027.pdf
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Croissance de l'huitre japonaise Crassostrea gigas en cylindre rotatif Stanway. Premiers resultats en France ArchiMer
Robert, Rene; Maurer, Daniele.
A new method of oyster cultivation, the Stanway oyster cylinder, has been experimented in the basin of Arcachon since the autumn of 1989. The first observations on three species of juvenile bivalves showed that this system could be successfully used with the Japanese oyster Crassostrea gigas . A comparative study of the growth of this last species, reared in cylinders and oyster bags, has been carried out since spring 1990. The first results showed that the growth of juveniles and 18 months old oysters in cylinders is not as good as in bags. On the other hand, mortality did not differ between both techniques: less than 3%. This new system seems to be less efficient than the traditional French way of rearing oysters. However, an improvement in the quality...
Tipo: Text Palavras-chave: Crassostrea gigas; Bivalvia; Juveniles; Oyster culture; Growth; Rearing.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-917.pdf
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Donnees pratiques sur l'elevage au laboratoire des larves de Palaemon serratus (Pennant) ArchiMer
Campillo, Albert.
The main factors conditioning the larval development of P. serratus have been studied in the Marine Station at Roscoff. Several types of natural diets have been tested. The nauplii of Artemia salina remain the most practical food. However, it was necessary to verify that a diet of Artemia permits development to a normal mysis. In these experiments, only Artemia originating in California, gave satisfactory results (84.5% viable post-larval shrimps). The most favorable density of larvae during cultivation was between 50 and 100/1. The larvae of P. serratus resisted very wide and sudden variations in salinity. However, when the salinity was <12 ppt, there was 100% mortality. The maximal survival of post-larval shrimp was at 25 ppt. The temp had an...
Tipo: Text Palavras-chave: Penaeus japonicus Crangon crangon Fucus spiralis Artemia salina Penaeus monodon Penaeus duorarum Penaeus kerathurus Penaeus orientalis Palaemon serratus Artificial feeding Larval development; Larvae Crustacean culture Laboratory culture; Rearing.
Ano: 1975 URL: http://archimer.ifremer.fr/doc/1975/publication-2028.pdf
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Ecologie bacterienne dans les bacs d'elevage larvaire de coquilles Saint-Jacques (Pecten maximus ) ArchiMer
Jacq, E; Moal, Jeanne; Samain, Jean-francois; Corre, S; Daniel, J; Nicolas, Jean-louis; Cochard, Jean-claude; Fera, P.
Larval rearings were performed with seawater either freshly pumped or after storage in a pond. Concerning bacterial populations these waters were characterized by a high diversity, little sized bacteria whose few of them (1%) were cultivable on Zobell medium. In the tanks, the bacterial ecosystem was modified by the presence of antibiotics, larvae and algae: the diversity was lowered, the cellular volume was increased by a factor 2 to 5, 100% bacteria were cultivable and chloramphenicol resistant, and their metabolism changed. Taxonomic screening showed no differences among the two waters neither at the beginning nor at the end of the rearings. However, depending on the water (stored or not) differences were identified for bacterial physiology and...
Tipo: Text Palavras-chave: Marine aquaculture; Pond culture; Scallop culture; Ecology; Antibiotics; Organic matter; Grazing; Carbohydrates; Mathematical models; Modelling; Growth; Bacterial diseases; Biological production; Culture tanks; Larvae; Rearing.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/1992/acte-914.pdf
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Effects of age and environment on the summer mortality in cupped oyster Crassostrea gigas during the first two years ArchiMer
Degremont, Lionel; Boudry, Pierre; Soletchnik, Patrick; Bedier, Edouard; Ropert, Michel; Samain, Jean-francois.
Three successive generations were produced between 2001 and 2003 to assess to what extent genetic variability exists for survival in juvenile oysters Crassostrea gigas. For each generation, two groups were selected for their high ("R" for resistant) and low ("S" for susceptible) survival. Significant differences in mortality were observed during the first year in Riviere d'Auray (RA) (Brittany-France). However, low and similar mortality were observed for both groups, with no significant difference between groups in the first and second generation in this site, where the first summer is the critical, sensitive period with a clear age effect. In Baie des Veys (BDV) (Normandie-France), where mortalities usually mainly affect adults, mortality between groups,...
Tipo: Text Palavras-chave: Crassostrea gigas; Spat; Spatial variations; Survival; Rearing; Mollusc culture; Marine molluscs; Environmental factors; Nursery grounds; Mortality causes; Biological age; Aquaculture techniques.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/acte-3385.pdf
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Effects of nutritional requirement of live food organisms on growth and survival of barramundi/seabass Lates calcarifer (Bloch) larvae. ArchiMer
Rimmer, M; Reed, A.
Larvae of barramundi (Lates calcarifer ) reared intensively in some Australian hatcheries have suffered periodic high mortalities which have been ascribed to nutritional deficiencies in the live food organisms used, particularly deficiencies of polyunsaturated fatty acids. Barramundi larvae reared in an experimental system and fed on four diets, representing combinations of supplemented and unsupplemented rotifers (Brachionus plicatilis ) and supplemented and unsupplemented brine shrimp (Artemia salina ). Supplementation of rotifers and brine shrimp with a commercially available microencapsulated diet increased the levels of several polyunsaturated fatty acids in the food organisms.
Tipo: Text Palavras-chave: Lates calcarifer; Brine shrimp culture; Growth; Intensive culture; Fatty acids; Feeding; Mortality; Hatcheries; Rearing; Food organisms; Nutritional requirements; Diets; Larvae; Survival.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1421.pdf
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Elaboration d’aliments secs pour le tilapia du Nil <Oreochromis niloticus> (l., 1758) en élevage dans les eaux géothermales du sud Tunisien OceanDocs
Mensi, F.; Azaza, M.S.; Abdelmouleh, A.; Kraiem, M.M..
Dans le but de promouvoir l’alimentation du Tilapia en élevage dans les fermes aquacoles tunisiennes, quatre aliments composés secs ont été élaborés à partir de matières premières conventionnelles et contenant différents taux de farine de poisson de fabrication locale (0 %, 10%, 20 % et 30 %). Ces aliments composés, de 36 % de protéines brutes et 6 % de lipides, ont été testés sur des alevins de Tilapia de poids moyen initial de 2 g. Après 45 jours d’expérimentation, les poids moyens finaux ont varié entre 21,33 g et 29,34 g selon les traitements. Les meilleurs taux de croissance et de transformation alimentaire ont été obtenus par les aliments contenant 20 % et 30 % de farine de poisson, avec des taux de croissance spécifiques (TCS) respectifs de 5,82 %...
Tipo: Journal Contribution Palavras-chave: Artificial feeding; Diets; Fish meal; Fish meal; Rearing; Thermal aquaculture; Oreochromis niloticus; Fish meal; Fish meal.
Ano: 2005 URL: http://hdl.handle.net/1834/3711
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Elevage intensif du loup Dicentrarchus labrax ArchiMer
Coves, Denis; Gasset, Eric.
Different seabass (Dicentrarchus labrax) intensiv rearing technics have been experimented in the pilot scale unit of our laboratory. During these upscalfing operation, the results obtained allow us to compare costs related to each fingemng production method. Closed system combined with early weaning with an efficient micropellet saves at least 69 % of direct production costs by comparison with an open system with Arternia during larval phase. However if closed systems are commonly used by private hatcheries, larval micropellets are always at experimental step.
Tipo: Text Palavras-chave: Production cost; Early weaning; Closed system; Intensiv; Rearing; D. Labrax; Coût de production; Sevrage précoce; Recyclage; Intensif; Elevage; D. Labrax.
Ano: 1993 URL: http://archimer.ifremer.fr/doc/1993/rapport-1916.pdf
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Enzymatic polymorphism study as help for constitution of initial broodstock for a new cultivated finfish species. ArchiMer
Renno, J; Luquet, P.
Leporinus friderici is a South American promising species for fish culture. In French Guiana the "morphological species", L. friderici, L. granti, L. lebaili and L. affinis steyermarki are found. Their identification is sometimes difficult on usual criterion. To constitute an initial broodstock of L. friderici from local wild populations, the genetic structure of these species was studied. Fifteen enzyme systems, representing twenty loci, were screened.
Tipo: Text Palavras-chave: French Guiana; Leporinus; Leporinus granti; Leporinus friderici; Anostomidae; Pisces; Embryos; Mortality; Genetics; Freshwater fish; Rearing; Breeding; Biopolymorphism; Brood stocks; Enzymatic activity.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1441.pdf
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Essai d’acclimatation du tilapia du nil "Oreochromis niloticus" dans la retenue du barrage Lebna (Cap bon, Tunisie) OceanDocs
Derouiche, E.; Azaza, M.S.; Kraiem, M.M..
Ce travail consiste à tester l’acclimatation d’une espèce thermophile, le tilapia du Nil Oreochromis niloticus dans la retenue du barrage Lebna (Cap Bon), moyennant un système extensif de grossissement. Les résultats montrent que le tilapia introduit directement en pleine retenue a pu se maintenir et supporter les mauvaises conditions hivernales en adoptant une stratégie d’hibernation. Par ailleurs, avec le retour des conditions favorables (T>20°C), ce Cichlidé a montré une bonne condition, une meilleure croissance qu’en élevage dans les bassins et cette fraction de population a pu proliférer.
Tipo: Journal Contribution Palavras-chave: Acclimatization; Brackishwater fish; Environmental conditions; Fish culture; Growth; Hibernation; Population dynamics; Rearing; Water reservoirs; Testing; Tilapia.
Ano: 2009 URL: http://hdl.handle.net/1834/4494
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Etat d'avancement des travaux sur les poissons tropicaux en Martinique ArchiMer
Soletchnik, Patrick; Thouard, Emmanuel; Galllet De Saint-aurin, D.; Suquet, Marc; Hurtaud, P.; Mesdouze, J. P..
Ce document se compose de 3 publications : - overview of the studies conducted on the finfish, Palometa (Trachinotus goodei), in Martinique, - spawning of palometa (Trachinotus goodei), in capacity, - spawning of yellowtail snapper (Ocyurus chrysurus ; Bloch, 1791) in capacity. Cette dernière publication, résume l'essentiel des informations obtenues sur la sarde et présentées d'une façon exhaustive dans le document scientifique n°9. Les 2 premières publications de ce document, consacrées à la carangue, font état des derniers résultats acquis sur cette espèce.
Tipo: Text Palavras-chave: Aquaculture; Poissons tropicaux; Elevage; Maturation; Reproduction; Trachinotus goodei; Ocyurus chrysurus; Martinique; Aquaculture; Tropical finfishs; Rearing; Maturation; Reproduction; Trachinotus goodei; Ocyurus chrysurus; Martinique.
Ano: 1988 URL: http://archimer.ifremer.fr/doc/00131/24262/22258.pdf
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Etude comparative du développement des larves de poissons élevées en conditions intensives et semi-extensives : Ontogénèse et performances zootechniques OceanDocs
Zouiten El Abed, D..
Le développement de l’aquaculture repose avant tout sur l’approvisionnement en specimens à élever mais pour la majorité des espèces, le recrutement naturel est insuffisant pour constituer une base d’élevages à grandes échelles. La production aquacole tunisienne est essentiellement piscicole et l’élevage extensif dans les barrages y contribue de façon importante. L'élevage des larves de poissons constitue une étape incontournable pour la production d’alevins destinés à la pisciculture et aux efforts de repeuplement des lacs de barrages et lagunes côtières tunisiennes. Dans cette thèse, des élevages larvaires expérimentaux en mésocosme ainsi que des études comparatives entre les larves élevées avec les techniques intensives et semi-extensives ont été...
Tipo: Theses and Dissertations Palavras-chave: Larval development; Rearing; Ontogeny; Aquaculture; Mesocosms.
Ano: 2012 URL: http://hdl.handle.net/1834/5529
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Etude de la Sensibilite Thermique des Larves du Crustace Decapode : Palaemon Serratus (Pennant). ArchiMer
The whole of experiments carried on from thermal constraints on the larval development of Palaemon serratus allows the following observations: -individual rearings obtain the best survival rates in the witness groups and neutralize by a dense food and the absence of intraspecific cannibalism, factors which can interfere with the results ascribed only to the experiments; - slight thermal increases (10 and 12 degree C) do not involve secondary effects on the post larvae when the development is realized at 20 degree C; - if the TL 50 is reaching 34 degree C, letal effects are observed, as soon as the final temperature; - whatever is the temperature increase, the relation = mortality/temperature reached is similar and this factor mortalities observed, that...
Tipo: Text Palavras-chave: Palaemon serratus; Mortality; Lethal limits; Larval development; Temperature tolerance; Rearing.
Ano: 1980 URL: http://archimer.ifremer.fr/doc/1980/publication-1931.pdf
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Experiences on importance of diet for shrimp postlarval quality OMA
Lavens, P.; Sorgeloos, P..
This paper gives an overview of own experiences with respect to the impact of dietary conditions on the quality of postlarval penaeid shirmp. Direct nutrient-specific effects are documented for highly unsaturated fatty acid (HUFA), phosphatidyl choline (PC) and ascorbic acid (AA). Specific immunostimulants may also contribute to an improved stress resistance of the shrimp fry. Last, but not least, some emphasis is placed on the role of the microflora during the hatchery rearing, the possible reduction of bacteria in the live food adminstered, and the use of probionts through the diet.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal nutrition; Condition factor; Diets; Disease resistance; Feed composition; Microorganisms; Polyunsaturated fatty acids; Rearing; Shrimp culture; Vitamin C; Artemia; Penaeidae [Penaeid shrimps].
Ano: 2000 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3876
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Grossissement des juveniles de palourdes "Ruditapes decussatus" (l., 1758), sur l’estran de Zarat (golfe de Gabès, Tunisie), dans des conditions expérimentales. OceanDocs
Zouari, M.; Hitonori, N.; Lymayem, Y.; M'Rabet, R.; Dhraief, M.N.; Missaoui, H.; Guergej, H.; Kraiem, M.M..
Le potentiel de grossissement de la palourde Ruditapes decussatus (L. 1758), élevée dans des poches de filet de 1 m2 de surface, a été évalué sur l’estran de Zarat (golfe de Gabès) pour la période de juillet 2006 à novembre 2007. Dans une première expérience, trois niveaux de la marée, représentant des chenaux de drainage de l’eau, existants entre la ligne de marée haute et celle de marée basse, ont été comparés sur une durée de 16 mois. Chacun des niveaux a été représenté par un triplicata de sacs de 150 individus. Dans une seconde expérience, trois densités de mise en charge différentes ont été comparées sur une durée de 17 mois. Pour cela, deux sacs de 100 individus chacun et deux autres de 200 individus chacun ont été alignés à l’expérience précédente,...
Tipo: Journal Contribution Palavras-chave: Clam culture; Comparative studies; Environmental conditions; Estuaries; Experimental culture; Growth; Growth rate; Marine aquaculture; Marine molluscs; Population density; Rearing; Stocking density; Clams.
Ano: 2009 URL: http://hdl.handle.net/1834/4495
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