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Registros recuperados: 8
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Amélioration de la production d'Artemia dans les salines tunisiennes par fertilisation minérale : détermination de la dose optimale d'emploi. OceanDocs
Hussenot, J.; Aloui, N.; El Abed, A..
In order to test the fertilization effect on Artemia production, six treatments of a mineral fertilization with di-ammonium phosphate (DAP) and urea (0.25*F; 0.5*F; 0.75*F; 1*F; 1.5*F; 2*F with F = 15 mg/L of DAP and 15 mg/L of urea) were compared to a control unfertilized. After the initial fertilization (day 0), a half a dose was brought once a week. At day 8, Artemia nauplii were inoculated in all tanks at the rate of 50 nauplii per liter. Physico-chemical and biological parameters of the culture were analysed each week, during the 48 days of experiment. The results showed that the optimal dose is 0.75*F; it gaves the maximal phytoplanctonic biomass expressed by chlorophyll-a has and it allowed to obtain a maximal production of Artemia (cysts and...
Tipo: Journal Contribution Palavras-chave: Aquaculture; Salts; Brine shrimp culture; Minerals; Aquaculture systems; Artemia culture; Aquaculture; Http://aims.fao.org/aos/agrovoc/c_550.
Ano: 2003 URL: http://hdl.handle.net/1834/1112
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Desempeño reproductivo de Litopenaeus schmitti de cultivo en condiciones comerciales OceanDocs
Pérez-Jar, L.; Ramos Trujillo, L.; Racotta Dimitrov, I. S.; Guerrero, C.; Acebedo, A..
Para satisfacer la demanda de postlarvas en las granjas de cultivo de camarón blanco Litopenaeus schmitti en Cuba, los Laboratorios de Producción de Postlarvas requieren de un aumento del porcentaje de cópulas en reproductores obtenidos en ciclo cerrado. Este trabajo se propone evaluar el desempeño reproductivo de los progenitores, bajo la influencia del manejo empleado en sistemas de tanques unisexo y mixto en condiciones comerciales. Los resultados indicaron que el desempeño reproductivo en términos de hembras maduras, porcentaje de cópulas exitosas, número de huevos y nauplios por desove, así como porcentaje de eclosión, no difirió entre los sistemas empleados. El porcentaje de hembras maduras (estadio IV) del número total en cada tratamiento, se...
Tipo: Journal Contribution Palavras-chave: Brine shrimp culture; Reproduction; Reproduction; Http://aims.fao.org/aos/agrovoc/c_6507.
Ano: 2010 URL: http://hdl.handle.net/1834/4105
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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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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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Exploitation et optimisation de la production des cystes du crustacé "Artemia tunisiana" (bowen et sterling, 1978) dans la saline de Sfax OceanDocs
Aloui, N.; Amorri, M..
La saline de Sfax constitue le meilleur site pour l’exploitation et la production d’Artemia en Tunisie. La production de cystes est exploitée chaque année pour être utilisée dans l’alimentation des larves de poissons. Cette production est estimée à 30 kg de cystes poids sec. Toutefois, lors de nos campagnes de récolte, nous avons enregistré de grandes pertes de cystes occasionnées par les vents emportant les cystes qui seront mélangés avec le sable. Afin de minimiser les pertes et optimiser la production naturelle de la saline, nous avons jugé utile, d’installer des barrages dans les coins des bassins à Artemia pour s’opposer à l’action du vent. Par ailleurs, nous avons fait un suivi mensuel de l’abondance des cystes récoltés et de quelques paramètres...
Tipo: Journal Contribution Palavras-chave: Barriers; Brine shrimp culture; Dissolved oxygen; Environmental conditions; Exploitation; Feeding; Fish larvae; Food organisms; Salinity effects; Spatial variations; Temporal variations; Cysts; Artemia culture; Prawns and shrimps; Crustaceans; Artemia.
Ano: 2009 URL: http://hdl.handle.net/1834/4747
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Influence of different diets on length and biomass production of brine shrimp Artemia franciscana (Kellog, 1906) OceanDocs
García-Ulloa, M.; Gamboa-Delgado, J.; Zabala-Aguirre, J.L.; Ogura-Fujii, T.; Lavens, P..
Total length and biomass production of the brine shrimp Artemia franciscana were studied fed on soybean and wheat micropulverized meals (applied alone or mixed at different proportions), live microalgae (Tetraselmis suecica and Chaetoceros calcitrans), and dried Spirulina as diets. Eight diets were tested in triplicates during 10 days. Significant differences (P < 0.05) were observed from day 1 onwards. The mixed meal-based diets showed better production results. At day 1, the Artemia nauplii fed on the 70% wheat meal/ 30% soya meal diet were 30% longer compared to the animals from the C. calcitrans group. At day 10, the organisms fed with the 100% soya meal diet were 68% longer than those fed on the C. calcitrans diet. The final biomass production (wet...
Tipo: Journal Contribution Palavras-chave: Length; Biomass; Brine shrimp culture; Length; Biomass; Http://aims.fao.org/aos/agrovoc/c_4260; Http://aims.fao.org/aos/agrovoc/c_926.
Ano: 1999 URL: http://hdl.handle.net/1834/3327
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Production of live prey for marine fish larvae ArchiMer
Kraul, S.
Tropical marine fish larvae vary in their requirements for live planktonic food. Selection of live prey species for culture depends on larval size and larval tolerance of water quality. This report describes some of the cultured prey species, and their uses and limits as effective food for fish larvae. Methods are presented for the culture of phytoplankton, rotifers, copepods, and other live feeds.
Tipo: Text Palavras-chave: Brine shrimp culture; Diets; Prey selection; Food organisms; Feeding; Growth; Rearing; Nutritional requirements; Fish larvae; Marine fish; Tropical fish.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1443.pdf
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Report d’une nouvelle population d’Artemia (Branchiopoda, crustacea) en Tunisie : Sabkhet Halk el Menzel OceanDocs
Ben Naceur, H.; Ben Rejeb Jenhani, A.; Romdhane, M .S..
Le branchiopode Artemia représente le principal organisme vivant colonisant les biotopes hypersalés. L’étude taxonomique de l’Artemia au niveau de la région ouest méditerranéenne, incluant l’Italie, la France, l’Espagne, le Portugal et le Maroc, a révélé la présence de l’espèce Artemia franciscana (qui a pour origine le continent Américain) comme étant une espèce invasive. Dans ce travail, une nouvelle population d’Artemia a été rapportée pour la première fois au niveau de Sabkhet Halk El Manzel. Une première identification taxonomique de cette population a été réalisée moyennant une étude morphologique et comparative de la forme de l’ovisac des femelles avec cinq autres populations tunisiennes appartenant à l’espèce Artemia salina et avec l’espèce...
Tipo: Journal Contribution Palavras-chave: Brine shrimp culture; Saline water; Artemia.
Ano: 2011 URL: http://hdl.handle.net/1834/4740
Registros recuperados: 8
Primeira ... 1 ... Última
 

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