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Manual de métodos parasitológicos e histopatológicos en piscicultura OceanDocs
Keim, Albert.
Recientes problemas provocados por epiemias de infecciones de Ichthyophthirius multifiliie en la cría de bagre negro (Rhandia sapo) cultivado por el Departamento de Acuicultura del INAPE de Uruguay, y el conocimiento de que todos los piscicultores tienen problemas con los parásitos, constituyeron la base y antecedente para el inicio de un programa de investigaciones parasitológicas. Este programa incluyó. 1) Disección de bagres capturados en Laguna de Sauce y colecta de parásitos. 2) Disección de bagres cultivados en el Laboratorio y en los estanques de INAPE, y colecta de parásitos. 3) Identificación de los parásitos recolectados. 4) Elaboración de un manual que recopila los métodos más comunmente utilizados en parasitología e histopatología en la...
Tipo: Report Palavras-chave: Fish diseases; Parasitic diseases; Fish culture; Parasitology; Histopathology; Manuals; Ichthyophthirius.
Ano: 1982 URL: http://hdl.handle.net/1834/4913
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Primeras observaciones sobre el crecimiento de Bagre negro (Rhamdia sapo) OceanDocs
Varela, Zoel; Fischer, Knud; Chediak, Gustavo.
Se describen las primeras experiencias llevadas a cabo con el fin de determinar tasas de crecimiento del bagre negro (Rhamdia sapo) en condiciones de cultivo. En una primera experiencia se sembraron alevines (10 - 50 g) a densidades entre 25.000 y 60.000 ejemplares por hectárea, densidades normalmente empleadas para las últimas fases de alevinaje. Se estableció la relación entre el tamaño inicial y la tasa específica de crecimiento (TEC) así como también se determinó el crecimiento diario absoluto para los distintos tamaños. En una segunda experiencia se sembraron peces (112 g) a densidades de 6.000, 8.000 y 10.000 ejemplares por hectárea para realizar pruebas de producción. Esta experiencia se llevó a cabo en las estaciones de otoño e invierno. El...
Tipo: Report Palavras-chave: Growth rate; Fish culture; Freshwater aquaculture; Feed conversion rate.
Ano: 1982 URL: http://hdl.handle.net/1834/4914
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Effects de le temperature et du regime alimentaire sur certains parametres de l'immunite cellulaire du loup de mer en elevage ArchiMer
Deschaux, P; Peres, G.
The data showed that antibody response and NK cells activity of a teleostean fish Dicentrarchus labrax (Loup de mer) were maximal when animals were bred at a temperature equal to 18 degree C. A proteinoprive diet enhanced T cytotoxic response and diminished NK cell activity. A fast of 15 days had no effect on these two cellular responses.
Tipo: Text Palavras-chave: Dicentrarchus labrax; Serranidae; Pisces; Antibodies; Starvation; Toxicity; Cells; Immunity; Diets; Nutrition; Temperature effects; Fish culture.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1248.pdf
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L'activite de deplacement et le reperage de la nourriture chez le bar juvenile captif ArchiMer
Anthouard, M; Paris, J.
Movement activity and localization of food were studied dynamically with the objective of establishing the capacities of behavioral adaptation of the young Dicentrarchus labrax faced with a novel situation. The role played by previous rearing conditions was demonstrated, the level of stimulation being a sensitive intervening factor (currents associated with the food). The data show the favourable effects of such treatment, and are in agreement with work carried out on higher vertebrates, which have brought to light the importance of early stimulation in behavioral ontogeny which respect to emotionality as well as capacities of adaptation in subjects reaching adulthood.
Tipo: Text Palavras-chave: Dicentrarchus labrax; Serranidae; Pisces; Juveniles; Stimuli; Locating; Locomotion; Fish culture; Nutrition; Ethology.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1253.pdf
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Etude cytologique ultrastructurale des anomalies hepatiques du loup, de la daurade, et de l'anguille, induites par une alimentation artificielle ArchiMer
Bac, N; Biagianti, S; Brusle, J.
In the three species Dicentrarchus labrax, Sparus auratus , and Anguilla anguilla an artificial feeding (dry pellets) disturbs liver cells as revealed at ultrastructural level. In hepatocytes, anomalies consist of lipids storage (liposomes) considered as deviation in fatty acids metabolism. Moreover are observed cellular alterations (mitochondrial vacuolization, nuclear pycnosis) related to degenerative process. It is of great interest to understand wether liver modifications are just a reaction to an unbalanced feeding or a true trophic pathology.
Tipo: Text Palavras-chave: Dicentrarchus labrax; Serranidae; Pisces; Natural populations; Fish culture; Lipids; Fatty acids; Cytology; Ultrastructure; Cells; Diseases; Pellet feeds; Metabolism; Liver; Artificial feeding; Nutrition disorders.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1250.pdf
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Bacteries ichtyopathogenes en mariculture ArchiMer
Vigneulle, Martine.
Bacterial infections occurred during the development of marine fish farming of species such as turbot, sea-bass, sea-bream or salmon and trout. The main-specific bacteria involved in these diseases observed belong to 3 groups: the Vibrionaceae for Vibrio anguillarum (type 408) and Aeromonas salmonicida , the causative agents of respectively vibriosis and furinculosis; the Corynebacteriaceae for Renibacterium salmoninarum , responsible for bacterial kidney disease (BKD), the Enterobacteriaceae for Yersinia ruckeri , the causative agent of enteric redmouth disease. The clinical signs typical of those diseases always depend on the rearing and environmental conditions. The losses resulting from these bacterial diseases and the persistence of the bacteria in...
Tipo: Text Palavras-chave: Yersinia ruckeri; Renibacterium salmoninarum; Aeromonas salmonicida; Vibrio anguillarum; Bacteria; Bacterial diseases; Fish culture; Pathogenic bacteria.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-996.pdf
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Bacteries associees aux production de Brachionus plicatilis ArchiMer
Nicolas, Jean-louis; Joubert, M.
Bacteria associated with semi-continuous culture of Brachionus plicatilis , which is used as the first food of marine fish larvae, were counted on Zobell 2216 E medium and identified. The numbers of bacteria were very high in both Brachionus (about 10 super(11) bact. per ml of digestive content) and in water (from 1.6.10 super(6) to 4.7.10 super(7) bact. per ml). The cultures were studied at driving a time when mortalities occurred frequently. The introduction of a Pseudomonas) phenon at a proportion of about 50% to the dominant microflora persisted in time and was little influenced by diet. It has been the cause of the repression of the Vibrio, Aeromonas group which was found in an unusually small proportion. It induced a lack of microflora diversity and...
Tipo: Text Palavras-chave: Brachionus plicatilis; Rotifera; Pseudomonas; Aeromonas; Vibrio; Nutrition; Pathology; Fish culture; Fish larvae; Food organisms; Bacteria; Continuous culture; Ecological associations; Zooplankton culture.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-994.pdf
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Preliminary results on the nutritional evaluation of omega-3-HUFA-enriched <i>Artemia</i> nauplii for larvae of the sea bass, <i>Dicentrarchus labrax</i> OMA
Van Ballaer, E.; Amat, F.; Hontoria, F.; Léger, P.; Sorgeloos, P..
Freshly hatched San Pablo Bay and Great Salt Lake <i>Artemia</i> nauplii (omega-3-HUFA-poor) and enriched meta-nauplii (omega-3-HUFA-enriched)were compared to reference <i>Artemia</i> nauplii (omega-3-HUFA-rich) as a food source for the larvae of the sea bass, <i>Dicentrarchus labrax</i>. Significant differences in survival and biomass production between the treatments could be attributed to the omega-3-HUFA content of the food. A delayed mortality in fish larvae fed the Great Salt Lake <i>Artemia</i> is suspected to be caused by a high level of alpha-BHC in this <i>Artemia</i> source. Growth was not significantly different between the treatments, most probably due to the large variation in growth...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artificial feeding; Fish culture; Fish larvae; Nutritive value; Artemia salina; Dicentrarchus labrax [Bass].
Ano: 1985 URL: http://www.vliz.be/imisdocs/publications/261899.pdf
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Production, utilization and manipulation of <i>Artemia</i> as food source for shrimp and fish larvae OMA
Lavens, P.; Léger, P.; Sorgeloos, P..
Larval culture of fish and shrimp can be seriously improved thanks to the results of recent research and development in the field of <i>Artemia</i> production and utilization. The present article summarizes the most recent techniques for optimation in production and use of different stages of <i>Artemia</i> in aquaculture:- cyst selection in function of hatching quality, purity, biometric characteristics, etc. - nauplii production: techniques for hatching, disinfection and decapsulation;- nutritional value of nauplii: quantitative aspects with regard to essential components and contaminants;- bioencapsulation of nauplii with different enrichment components: methodology and results in fish and shrimp culturing;- utilization of (pre-)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquaculture techniques; Brine shrimp culture; Developmental stages; Fish culture; Food organisms; Nutritive value; Shrimp culture; Artemia.
Ano: 1986 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3245
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Polyculture trial of mullets (Mugil spp) tilapia sp.,hemichromis sp. and elops sp. OceanDocs
Anyanwu, P.E.; Awa, J.N..
Polyculture trial of selected cultivable fin fishes was conducted at the Institute’s experimental fish farm Ikoyi, Lagos from April 1983 to January 1984. The species, Mugil spp; Tilapia spp; Hemichromis fasciatus and Elops lacerta gave a total annual production range of 1219 kg to 1441 kg per hectare (extrapolated). Tilapia species had the highest growth potential constituting 80% of the total harvest. Supplementary diet used was food left over (waste) from selected big hotels in Lagos. Elops lacerta (predator) recorded the highest average body weight of 415.88g while the lowest weight 62.14g, was recorded for Mugil spp. Tilapia spp and Hemichromis fasciatus had average body weights of 72.5g and 6.7 0g respectively.
Tipo: Report Palavras-chave: Fish culture; Polyculture; Fish culture; Http://aims.fao.org/aos/agrovoc/c_2918.
Ano: 1988 URL: http://hdl.handle.net/1834/2390
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Aquaculture in Hawaii: Past, present, and future ArchiMer
Wyban, J; Wyban, C.
Hawaii's aquaculture industry has a long and colorful history. When Cook arrived in Hawaii in 1778, over 350 fishponds were in operation. Future prospects for Hawaii's industry are bright. Expanded R&D activities have the greatest growth potential with technology transfer through international consulting and training likely. Commercial activities will focus on intensive culture of shrimp, finfish and seaweeds.
Tipo: Text Palavras-chave: Intensive culture; Fish culture; Shrimp culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1497.pdf
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Marine finfish pathology: Specific problems and research in the French West Indies ArchiMer
Gallet Desaint Aurin, D; Raymond, J; Vianas, Viviane.
The finfish species reared in marine intensive conditions in the French Caribbean Islands are imported (European seabass, American red drum and Oreochromis hybrids) or local (Carangids and Lutjanids) species. The European seabass (Dicentrarchus labrax ) is susceptible, during its first year of life, to a contagious disease characterized by whirling and hyperexcitability, associated with severe lesions of the brain, viral particles being pointed out in the damaged nervous cells.
Tipo: Text Palavras-chave: Growth; Hatcheries; Nutrient deficiency; Nutritional requirements; Pathology; Parasitic diseases; Fish culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1478.pdf
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The culture of Hoplosternum littorale : State of the art and perspectives ArchiMer
Luquet, P; Boujard, Thierry; Planquette, P; Moreau, Y; Hostache, G.
Hoplosternum littorale is a siluriform fish of very high commercial value in some countries of South America. Some biological characteristics as easy spawning in confinement and good tolerance of low oxygen level make it easy to cultivate.
Tipo: Text Palavras-chave: Fish ponds; Incubation; Brood stocks; Circadian rhythms; Sexual maturity; Sex ratio; Rearing; Respiration; Survival; Diets; Larvae; Fecundity; Hatching; Oxygen; Feeding behaviour; Fish culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1491.pdf
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Enrichment of live foods. ArchiMer
Watanabe, T.
Live foods such rotifers and Artemia are still indispensable for mass propagation of larval fish. At present, more than 20 fish and crustacean species are mass produced in Japanese governmental fish farming centres and private hatcheries. Fry are either released into the coastal areas or used for commercial cultivation. This culture technology is rapidly developing with new species being introduced each year and larval rearing is increasingly identified as the number one constraint. Artemia is used most extensively, particularly for the mass production of Kuruma prawn, Penaeus japonicus .
Tipo: Text Palavras-chave: Penaeus japonicus; Malacostraca; Rotifera; Diets; Larvae; Brine shrimp culture; Nutrition; Marine crustaceans; Shrimp culture; Hatcheries; Fish culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1444.pdf
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Hormone-induced spawning of cultured tropical finfishes. ArchiMer
Marte, C.
Commercially important tropical freshwater and marine finfishes are commonly spawned with pituitary homogenate, human chorionic gonadotropin (HCG) and semi-purified fish gonadotropins. These preparations are often administered in two doses, a lower priming dose followed a few hours later by a higher resolving dose. Interval between the first and second injections may vary from 3-24 hours depending on the species. Variable doses are used even for the same species and may be due to variable potencies of the gonadotropin preparations.
Tipo: Text Palavras-chave: Teleostei; Pisces; Tropical fish; Induced breeding; Sex hormones; Animal reproductive organs; Marine fish; Freshwater fish; Fish culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1436.pdf
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Review of grow-out techniques under tropical conditions: Experience of Thailand on seabass (Lates calcarifer ) and grouper (Epinephelus malabaricus) ArchiMer
Tookwinas, S.
Seabass and grouper have been reared in cages in coastal waters in Thailand for 10 years. The fingerlings are nursed for a month in nylon nursing cages. Then, the juvenile fish are reared in culture cages which can be stationary or floating. The cage is usually 5 x 5 x 2 metres. The stocking density is around 500 to 2000 fish per cage. The survival rate is approximately 80%. The selling price at the culture site is 80 baht and 250 baht per kg for sea bass and grouper respectively. The culture method and economics of culture are explained.
Tipo: Text Palavras-chave: Marketing; Diseases; Dissolved oxygen; Stocking density; Physicochemical properties; Water quality; Feeding; Feed; Survival; Juveniles; Nursery ponds; Floating cages; Rearing; Fish culture; Fingerlings; Growth.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1423.pdf
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Virus diseases in temperate and tropical farming fish: State of current knowledge. ArchiMer
Hill, B.
It is over 30 years since the development of fish tissue cultures led to the first confirmation of a viral infection in fish. Since that time, tissue cultures and, more usually, monolayer cell cultures, have been developed from a large number of fish species and have enabled the isolation from a large number of fish species and have enabled the isolation and study of 30 or so viral infections of fish, predominantly those of freshwater, catadromous and anadromous species, and particularly temperate species in the northern hemisphere. However, evidence for numerous other viral infections in fish has also been obtained without successful virus isolation through the visualisation of virus particles by electron microscopy or through experimental transmission of...
Tipo: Text Palavras-chave: Tropical environment; Fish diseases; Fish culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1502.pdf
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Marine larval fish rearing ArchiMer
Arnold, C.
Various methods of producing juvenile finfish will be discussed. This includes the intensive production in controlled environments as well as extensive pond production. Factors important to survival such as temperature, salinity, pH, water quality, bacteria and parasites, density, food types and food density as well as information on food and food production will be given.
Tipo: Text Palavras-chave: Fish culture; Aquaculture development; Aquaculture techniques; Rearing.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1445.pdf
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Grow-out mariculture techniques in tropical waters: A case study of problems and solutions in Hong Kong. ArchiMer
Wu, R; Lee, J.
Raft culture is practised and trash fish is being used as feed in Hong Kong. Culture space is limited and most of the culture sites are over-crowded. Food conversion ratio is poor (about 10-15), grow-out mortality is high (30-50%) and fish kills caused by oxygen depletions, algal blooms and red tides occur frequently. Disease and water pollution are also problems.
Tipo: Text Palavras-chave: Sparidae; Pisces; Indicator species; Diseases; Water pollution; Cage culture; Artificial feeding; Food fish; Oxygen depletion; Mortality; Growth; Stocking density; Fish culture.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1427.pdf
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The sexuality of cultured hermaphroditic fish species: Analysis of morphological and endocrinological features in a protogynous hermaphrodite, Epinephelus microdon , as a basis for further research to control reproduction in the grouper ArchiMer
Debas, L; Fostier, A; Fuchs, Jacques; Weppe, M; Nedelec, Georges; Benett, A; Cauty, C; Jalabert, B.
The Polynesian grouper, Epinephelus microdon , was chosen as an experimental model in order to investigate about factors controlling sexuality in groupers.
Tipo: Text Palavras-chave: French Polynesia; Epinephelus microdon; Sex ratio; Sexual maturity; Sex hormones; Sex determination; Sex; Fish culture; Endocrinology; Reproduction; Sex reversal; Animal morphology.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1439.pdf
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