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Registros recuperados: 21
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A new artificial diet for the early weaning of seabass (<i>Dicentrarchus labrax</i>) larvae OMA
Devresse, B.; Candreva, P.; Léger, P.; Sorgeloos, P..
The weaning of marine fish larvae is a critical step in larval rearing. The successful transition from live food to an artificial feed depends among others on the quality of the dry feed used (e.g. freshness of ingredients, digestibility, quality of the formulation) and the larvae themselves (e.g. age, behaviour towards artificial diets, development of the digestive tract, efficiency of certain metabolic pathways). The present study shows the results obtained with a new artificial diet formulated for the weaning phase of marine fish larvae (<i>Dicentrarchus labrax</i>) in commercial hatcheries.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artificial feeding; Feed composition; Fish culture; Fish larvae; Hatcheries; Dicentrarchus labrax [Bass].
Ano: 1991 URL: http://www.vliz.be/imisdocs/publications/262322.pdf
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Desenvolvimento de colônias de abelhas com diferentes alimentos protéicos. Repositório Alice
PEREIRA, F. de M.; FREITAS, B.M.; VIEIRA NETO, J.M.; LOPES, M.T. do R.; BARBOSA, A. de L.; CAMARGO, R.C.R. de.
O objetivo deste trabalho foi avaliar o desempenho de produtos regionais do Nordeste na alimentação de colônias de abelhas (Apis mellifera), em um período de escassez de floradas. Foram fornecidas dietas às abelhas, contendo 20% de proteína bruta, à base de feno de mandioca (Manihot esculenta) e farinha de vagem de algaroba (Prosopis juliflora), feno de mandioca e farelo de babaçu (Orbygnia martiana), farelo de babaçu e Purilac (sucedâneo para bezerros da marca Purina) e pólen apícola de Palmae. As colônias foram analisadas quanto ao peso e às áreas de alimento e cria. Não foi observada diferença significativa entre os tratamentos em relação às áreas de cria. Apesar de a pasta com pólen ser a mais consumida, este alimento mostrou conversão alimentar menor...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Alimentação artificial; Fontes protéicas; Consumo; Artificial feeding; Protein sources; Consumption.
Ano: 2006 URL: http://www.alice.cnptia.embrapa.br/handle/doc/118408
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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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Estimación de tasas de ingestión de Mnemiopsis leidyi (Ctenophora: Lobata) en condiciones de laboratorio OceanDocs
Bertelo, M.I.; Giberto, D.A.; Schiariti, A.; Bianca, F.; Suárez, J.; Mianzan, H.W..
The first results in the development of a standardized methodology to estimate Mnemiopsis leidyi intake rates and their impact on fish recruitment are presented. M. leidyi capability to consume lyophilized fish eggs and level of consumption of such type of preys, Artemia nauplii and rotifera were assessed. Although M. leidyi can consume lyophilized fish eggs, intake rates were extremely low, often null and in all cases lower than those estimated for the other types of preys offered. The increase of feeding rate on each prey was proportional to ctenophores size growth. The results observed suggest that consumption of fish eggs would not affect recruitment. However, there is not a uniform methodology in the literature that allows for standardized...
Tipo: Journal Contribution Palavras-chave: Artificial feeding; Recruitment; Fish eggs; Controlled conditions; Zooplankton.
Ano: 2013 URL: http://hdl.handle.net/1834/5485
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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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Etude de la croissance du naissain d'huitres (Crassostrea gigas, Ostrea edulis) de la métamorphose à la taille de 1 mm. en fonction de différentes nourritures phytoplanctoniques. ArchiMer
Le Borgne, Y; Diss-mengus, B; Marin, J.
Introduction: Among the problems found in mollusc hatcheries, the feeding of growing post larvae is of primary concern. It is therefore essential to reach algal production rationalisation through precise knowledge of the nutritional requirements of the different species of spat produced, and this for a diversity of size classes. Many authors, such as HARTMAN and EPIFANIO (1973), PRUDER and al. (1976), have attempted to establish appropriate food rations in laboratory for various post larvae mollusks according to their average weight. However, it is difficult to adapt those results to hatchery experiments, since raising conditions and yield issues are totally different. The purpose of this work is to determine nutritional rations required for different post...
Tipo: Text Palavras-chave: Crassostrea gigas; Ostrea edulis; Artificial feeding; Oyster culture; Food composition.
Ano: 1978 URL: http://archimer.ifremer.fr/doc/1978/rapport-1758.pdf
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Foraging behavior of the small-sized stingless bee Plebeia aff. flavocincta Rev. Ciênc. Agron.
Silva,Jameson Guedes da; Meneses,Hiara Marques; Freitas,Breno Magalhães.
ABSTRACT The aim of the study was to investigate the flight range and foraging behavior of the stingless bee Plebeia aff. flavocincta, as well as testing its attraction to different sugar syrup concentrations within different distances to the colony. Foraging pattern along the day, preference of bees for sugar concentration in nectar and their relationship with distance from the colony were assessed by the means of manipulating those parameters with artificial flowers containing different sugar syrup concentrations and displayed at varying distances. The bees P. aff. flavocincta foraged from 6 a. m. to 5:30 p. m., with a foraging peak from 9 a. m. to 11:30 a. m. and showed preference for higher syrup concentrations (60% and 70%) though have foraged...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artificial feeding; Flight range; Nectar concentration; Meliponini; Body size.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000300484
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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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Growth response of penaeid postlarvae to dry diets containing <i>Artemia</i> biomass meal OMA
Abelin, P.; Tackaert, W.; Sorgeloos, P..
The results are presented of a feeding experiment conducted with post-larvae of <i>Penaeus monodon</i> and <i>P. vannamei</i> using formulated dry feeds in which <i>Artemia</i> biomass was incorporated. The total and partial substitution for Artemia nauplii were evaluated. Survival rates in the experiment were not very high, indicating that nutritionally balance dry diets do not support the same growth as Artemia nauplii, which must contain a particular ingredient yet to be identified
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artificial feeding; Comparative studies; Diets; Food organisms; Nauplii; Shrimp culture; Artemia; Penaeus monodon [giant tiger prawn].
Ano: 1989 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2799
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Influence du taux de proteines sur la croissance ponderale de Palaemon serratus (Pennant) elevee au laboratoire ArchiMer
Campillo, Albert; Luquet, P..
The quantitiative requirements for protein have been determined in P. serratus reared from the post-larval stage to the 4th month. It appears that the apparent optimum percentage of protein in the diet is a minimum of 60%. At the 8th month, the mean wt of prawn reared with the best artificial diet (diet IV) is only 49% of the wt of shrimp reared with the digestive gland of Patella as a diet. The prawns reared to 4th month on a low-protein diet then reared on a natural diet until the 8th month, show important compensatory growth. However, the prawns do not achieve the wt of the control population, their average wt representing only 16% of the controls.
Tipo: Text Palavras-chave: Crangon crangon; Penaeus japonicus; Homarus vulgaris; Palaemon serratus; Nutritional requirements; Growth; Proteins; Artificial feeding; Crustacean culture; Laboratory culture; Rearing.
Ano: 1975 URL: http://archimer.ifremer.fr/doc/1975/publication-2029.pdf
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L'aquaculture des crevettes, role de la nutrition ArchiMer
Guillaume, Julien.
Shrimp and prawn aquaculture is developing fast and amounts presently to 8% of world consumption. It concerns mainly various species of penaeids and is done with different techniques where feeding plays a variable role. This role is discussed both in the case of more or less extensive farming and in the case of intensive farming. The lack of knowledge in the field of nutrition itself is emphasized as well as the importance of feed technology both for juvenile foods and larval microcapsules or microparticles.
Tipo: Text Palavras-chave: Penaeidae; Malacostraca; Artificial feeding; Nutritional requirements; Feeding; Animal nutrition.
Ano: 1987 URL: http://archimer.ifremer.fr/doc/1987/acte-1408.pdf
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Larval rearing and weaning of seabass, Lates calcarifer (Block), on experimental compounded diets ArchiMer
Fuchs, Jacques; Nedelec, Georges.
Larval rearing trials of seabass larvae, either imported from Singapore or obtained from the captive broodstock of IFREMER/C.O.P. at Tahiti, were carried out since 1987, by testing different technologies originally used in South East Asia (green-water culture, sequential water changes) or developed by IFREMER for other species (clear water system, preys enrichment, continuous water renewal).
Tipo: Text Palavras-chave: Lates calcarifer; Diets; Survival; Fish larvae; Brood stocks; Mortality; Pellet feeds; Artificial feeding; Swimming; Abnormalities; Swim bladder; Growth.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1433.pdf
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Manejo de una dieta alternativa en la alimentación de Litopenaeus vannamei durante su engorde en estanques de tierra fertilizados OceanDocs
Pelegrín, E.; Alvarez, J.S.; Galindo, J..
Con el interés de reducir los costos de alimentación del camarón blanco del Pacífico Litopenaeus vannamei en Cuba se desarrolló un estudio en jaulas de 1 m2 de malla raschel de 0.5 mm de luz de malla, situados dentro de un estanque de tierra, comercial en la camaronera Cultizaza, Sancti Spiritus. Se evaluaron cinco combinaciones de alimentos balanceados: 100 % alimento comercial importado, usado como dieta control (DC); 70 % DC y 30 % de alimento alternativo nacional (DA); 50 % DC y 50 % DA; 30 % DC y 70 % DA y 100 % DA, con densidades de siembra de 10 y 15 camarones/m2 . Se determinó que no existe interacción entre los factores esquema de alimentación y densidad de siembra. Los resultados indicaron que la combinación de 70 % dieta control y 30...
Tipo: Journal Contribution Palavras-chave: Food; Artificial feeding; Density; Food; Density; Http://aims.fao.org/aos/agrovoc/c_9001003; Http://aims.fao.org/aos/agrovoc/c_2186.
Ano: 2011 URL: http://hdl.handle.net/1834/4007
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New developments in the mass culture and nutritional enrichment of the rotifer <i>Brachionus plicatilis</i> using artificial diets OMA
Komis, A.; Naessens, E.; Van Ballaer, E.; Van Sprang, P.; Léger, P.; Sorgeloos, P..
A research program was carried out to improve and facilitate rotifer (<i>Brachionus plicatilis</i>) culturing as well as to assure their optimal nutritional quality as a prey, concentrating on the development of a dry and complete rotifer diet that does not require the use of algae and does result in a HUFA rich <i>Brachionus</i>. The present poster provides results dealing with culture aspects and rotifer nutritional quality. Different diet compositions based on single cell proteins enriched with various nutritional additives were evaluated. Results obtained so far demonstrate that a selected formula of a combined culture and enrichment diet, that does not involve the use of microalgae at all, can be successfully used for growing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artificial feeding; Diets; Food organisms; Mass culture; Nutritive value; Brachionus plicatilis.
Ano: 1989 URL: http://www.vliz.be/imisdocs/publications/262326.pdf
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Perception of local inhabitants regarding the socioeconomic impact of tourism focused on provisioning wild dolphins in Novo Airão, Central Amazon, Brazil Anais da ABC (AABC)
ALVES,LUIZ C.P.S.; ZAPPES,CAMILAH A.; OLIVEIRA,RAFAEL G.; ANDRIOLO,ARTUR; AZEVEDO,ALEXANDRE DE F..
Botos (Inia geoffrensis) are currently provisioned for use in tourist attractions in five sites in the Brazilian Amazon. Despite the known negative effects associated with human-wild dolphin interactions, this activity has been regulated and licensed in the Anavilhanas National Park in Novo Airão, Amazonas State, Brazil. We present an updated evaluation of the perception of the local community concerning the possible socioeconomic impacts of this tourism in Novo Airão. In April 2011, 45 interviews were conducted with inhabitants. A small segment of Novo Airão perceives currently itself as being economically dependent on the botos feeding tourism. Despite that, the economic benefits of this controversial activity apparently are not shared among most...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon; Anavilhanas National Park; Artificial feeding; Boto; Inia geoffrensis.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000401577
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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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Promising results in the seed culturing of the Manila clam <i>Tapes semidecussata</i> with a manipulated yeast product as a partial substitute for algae OMA
Albentosa, M.; Naessens, E.; Léger, P.; Coutteau, P.; Lavens, P.; Sorgeloos, P..
The results are presented of preliminary trials conducted with <i>Tapes semiducussata</i> spat using manipulated yeast products as substitutes for unicellular algae in their diets. Findings showed that spat growth increased with increasing amounts of algae in the artificial diet; growth was very poor when no algae were offered at all. It is concluded that manipulated yeasts may replace a substantial part of the algae in clam diets, but complete replacement is not possible, yet.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artificial feeding; Clam culture; Diets; Nutritive value; Yeasts.
Ano: 1989 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2801
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Questionnaire on the use of algal substitutes and the requirement for live algae in hatchery and nursery rearing of bivalve mollusks OMA
Coutteau, P.; Sorgeloos, P..
In the frame work of a PhD thesis dealing with the use of artificial diets as an algal substitute for mollusks, the Laboratory of Aquaculture & Artemia Reference Center (State University of Ghent, Belgium) is organizing an inquiry which aims at drawing up an inventory of algal substitutes, their cost and applications, and their relative importance and cost-efficiency compared to live algae. The questionnaire has been sent to more than 200 people who are involved in the practice of culturing bivalves. The results will be treated as part of the PhD work and a free copy of the resulting report will be sent to all those who are returning the form. The questionnaire will be presented at Aquaculture Europe 1991 in Dublin under the form of a poster. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Artificial feeding; Diets; Feeding experiments; Food organisms.
Ano: 1991 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2813
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Review and current status of the aquaculture potential for the mahimahi, Coryphaena hippurus ArchiMer
Kraul, S.
The mahimahi, Coryphaena hippurus , has excellent potential for aquaculture due to its fast growth (2 kg at 6 months, 9 kg at 1 year), good food conversion efficiency (30%, wet weight), high fecundity with natural captive spawns (200,000 eggs/female/2 days year round for a 1 year old female), and high price (US$ 9.00/kg wholesale in Hawaii).
Tipo: Text Palavras-chave: Copepoda; Rotifera; Coryphaena hippurus; Coryphaenidae; Pisces; Artificial feeding; Diets; Spawning; Fingerlings; Females; Eggs; Food; Food conversion; Hatcheries; Nutritional requirements; Growth.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1473.pdf
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Un essai de grossissement en captivite de la tortue verte Chelonia mydas realise a Tahiti (Polynesie Francaise) ArchiMer
Lebeau, Alain.
A small batch of green turtle hatchlings, Chelonia mydas , have been raised in captivity at the "Centre Oceanologique du Pacifique", in Tahiti from 1983 to 1984. Observations on growth and rearing conditions are reported. This experiment shows the technical feasibility of this type of aquaculture in French Polynesia. The economical aspect is considered. Forty-six young green turtles between one- and two-years-old have been tagged and released in the neighboring Mehetia Island (French Polynesia).
Tipo: Text Palavras-chave: Chelonia mydas; Reptilia; Hatching; Rearing; Growth; Artificial feeding; Turtle culture.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/publication-1798.pdf
Registros recuperados: 21
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