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Registros recuperados: 33
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Adaptation of digestive enzymes to dietary protein, carbohydrate and fibre levels and influence of protein and carbohydrate quality in Penaeus vannamei larvae (Crustacea, Decapoda) ArchiMer
Le Moullac, Gilles; Van Wormhoudt, A; Aquacop, Aquacop.
Activity of digestive enzymes (trypsin, chymotrypsin and amylase) was studied in relation with food in Penaeus vannamei larvae first stages. Microparticles containing casein involved the decrease of soluble protein content and enzyme activities. Specific trypsin activity but not chymotrypsin was correlated (p<1%) to casein level between 10 and 60% in microparticles. Cellulose fibres in food seemed to have little effect on digestive enzymes. Starch, between 1 and 20% in microparticles, had no influence on specific amylase activity. The effect of different feeding conditions were also tested on growth. No clear relationship between growth and enzyme is established since only trypsin is concerned in the case of a casein dose effect in the food. The protein...
Tipo: Text Palavras-chave: Amylase; Chymotrypsin; Trypsin; Digestive enzymes; Food; Larvae; Penaeus vannamei; Amylase; Chymotrypsine; Trypsine; Enzymes digestives; Alimentation; Larve; Penaeus vannamei.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/1994/publication-4431.pdf
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Alimentation expérimentale de l'huître Crassostrea gigas à l'aide de navicules bleus Haslea ostrearia (Simonsen) de différentes tailles ArchiMer
Barille, Laurent; Bougrier, Serge; Geairon, Philippe; Robert, Jean-michel.
The influence on the feeding physiology (clearance, filtration, ingestion, absorption) of the Japanese oyster Crassostrea gigas of low concentrations of suspended particulate matter (SPM ranging from 2 to 20 mg.l-l) and high food quality (mean organic fraction =54 %) was studied in the laboratory. Experimental diets were made up with three strains of the "blue diatom" Haslea ostrearia, which is responsible of the greening of oyster-ponds. The strains were characterized by different sizes (48, 65 and 98 µm respectively) but possessed the same density and biochemical composition. Clearance rate was found constant at 2.2 1.h(-l).g-l dry weight and therefore was not influenced by increasing seston load. Pseudofaeces production was observed for SPM...
Tipo: Text Palavras-chave: Taille des particules; Qualité alimentaire; Haslea ostrearia; Crassostrea gigas; Alimentation; Particle size; Food quality; Haslea ostrearia; Crassostrea gigas; Feeding.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/1994/publication-3070.pdf
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Bases biologiques de la production de deux Mollusques d'intérêt économique: reproduction chez Megathura crenulata, reproduction et développement chez Crassostrea gigas ArchiMer
Cannuel, Rozenn.
The reproductive cycle of Megathura crenulata was documented and quantification of oocyte lipid reserves with lipo-specific stains was explored in both this species and in Crassostrea gigas. The necessity of providing food to female broodstock C. gigas in spring was re-evaluated, because subsequent larval and post-larval rearing performance was not affected by broodstock starvation during conditioning. Developmental study of the organs responsible of particle processing in C. gigas allowed the identification of critical stages related to the ontogenesis of each organ, as well as a better understanding of the evolution of these organs, highly-modified in the Ostreidae. Ciliary type identification and mucocyte mapping from post-larval to adult stage showed...
Tipo: Text Palavras-chave: Mucocytes; Mantle; Gill; Larvae postlarvae juveniles; Feeding; Crassostrea gigas; Megathura crenulata; Development; Reproduction; Mucocytes; Manteau; Branchie; Larves post larves juvéniles; Alimentation; Crassostrea gigas; Megathura crenulata; Développement; Reproduction.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/these-1371.pdf
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Cana-de-açúcar e uréia na recria de novilhas leiteiras na época da seca. Repositório Alice
AMARAL NETO, J. B.; RODRIGUES, A. de A..
Reduzir o periodo que as novilhas levam para atigir o peso ideal para o acasalamento ou inseminação artificial para 15 a 20 meses, pela utilização de cana-de-açúcar mais uréia.
Tipo: Artigo de periódico Palavras-chave: Cana-de-açúcar; Alimentation; Sugar cane; Alimentação; Gado Leiteiro; Novilho; Uréia; Cows; Dairy cattle.
Ano: 1999 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/44633
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Criacao de equinos. Manejo reprodutivo e da alimentacao. Repositório Alice
SILVA, A. E. D. F. D.; SILVA, M. M. M. R. R. V. U.; ESTEVES, S. N..
Mecanismo biologico da reproducao de equinos; Manejo e comportamento reprodutivo da femea; Manejo e comportamento reprodutivo do garanhao; Manejo geral; Manejo alimentar de eguas e garanhoes.
Tipo: Livros Palavras-chave: Mamejo reprodutivo; Equinos; Management reproductive; Alimentation; Equines; Alimentação; Criação.
Ano: 1998 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/44404
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Définition d'un modèle d'élevage larvaire intensif pour la daurade Sparus auratus ArchiMer
Ounais-guschemann, Nadia.
This study defines rearing parameters for mass products of 30-day old post larvae. Continuous lighting (600 lux) optimizes the predatory activity and suppresses the feeding rhythm. For 4-5 mm larvae (15 days), food ingestion slows down if the prey concentration in the tank is below 5 rotifers/ml, while there is no such threshold for 6-7 mm larvae (22 days). The rotifer Brachionus plicatilis , between 100 and 200 mu m, is an adequate initial prey, it can be replaced by Artemia salina for 7-8 mm larvae (30 days). It is observed that free amino acids and essential fatty acids contents have a prominent role in larvae growth; docosahexaenoic acid (C22:6n-3) content could be determined. Finally, the development of the swim bladder is facilitated by the renewal...
Tipo: Text Palavras-chave: Sparus auratus; Pisces; Marine fish; Environmental diseases; Fatty acids; Amino acids; Controlled conditions; Juveniles; Culture tanks; Growth; Light effects; Nutritional requirements; Fish larvae; Syndrome de paroi; Nutrition; Alimentation; Lumière; Inflation primaire de la vessie natatoire; Sparus auratus; Elevage larvaire intensif; Poisson.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/these-1679.pdf
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Diet, feeding behaviour and trophic activity of the anchovy (Engraulis encrasicolus L.) in the Gulf of Lions (Mediterranean Sea) ArchiMer
Plounevez, Serge; Champalbert, Gisèle.
Feeding behaviour of adult European anchovy (Engraulis encrasicolus) was studied in the Gulf of Lions (northwestern Mediterranean Sea) in relation to major abiotic and biotic factors. Observations were made during the main spawning period (summer) for two years, data were collected through hydrological pro-tiling, zooplankton hauls and fish trawling performed in areas of high anchovy density. Temperature, salinity and zooplankton biomass were stratified in the study areas, with cladocerans numerous above the thermocline whereas copepods were dominant below. Engraulis encrasicolus was strictly zooplanctivorous during the main spawning season with copepod and crustacean larvae dominating in stomach contents. Anchovy exhibited high trophic activity during the...
Tipo: Text Palavras-chave: Anchois; Alimentation; Zooplancton; Reproduction; Méditerranée; Anchovy; Feeding; Zooplankton; Spawning; Mediterranean Sea.
Ano: 2000 URL: http://archimer.ifremer.fr/doc/00301/41263/40455.pdf
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Ecologie et biologie de l'émissole lisse Mustelus mustelus (Linné, 1758) sur les côtes de Mauritanie OceanDocs
Khallahi, B..
RESUME: Les eaux océaniques mauritaniennes sont au carrefour d'eaux froides et salées provenant du Nord, et d'autres chaudes et moins salées du Sud. L'interaction de ces eaux est à l'origine d'un régime hydrologique à 4 saisons: une saison froide de janvier à mai, une saison de transition froide-chaude de juin à juillet, une saison chaude d'août à octobre et enfin une saison de transition chaude – froide de novembre à décembre. La présente étude met en relation ces variations hydrologiques saisonnières, la distribution et la biologie de Mustelus mustelus. La distribution spatiale et temporelle de M. mustelus sur le plateau continental mauritanien a été suivie en analysant les données récoltées au cours de 20 campagnes de prospections scientifiques, 13...
Tipo: Theses and Dissertations Palavras-chave: Mauritania; Croissance; Biologie; Biology; Physical environment; Mauritanie; Ecology; Fecondity; Growth; Emissole lisse; Alimentation; Smouthound shark; Mustelus mustelus; Fécondité; Reproduction; Milieu physique; Écologie; Distribution; Shark fisheries.
Ano: 2004 URL: http://hdl.handle.net/1834/677
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Ecophysiologie de la reproduction chez l'huître creuse, Crassostrea gigas ArchiMer
Pouvreau, Stephane; Lepennec, M.
The reproductive cycle of Megathura crenulata was documented and quantification of oocyte lipid reserves with lipo-specific stains was explored in both this species and in Crassostrea gigas. The necessity of providing food to female broodstock C. gigas in spring was re-evaluated, because subsequent larval and post-larval rearing performance was not affected by broodstock starvation during conditioning. Developmental study of the organs responsible of particle processing in C. gigas allowed the identification of critical stages related to the ontogenesis of each organ, as well as a better understanding of the evolution of these organs, highly-modified in the Ostreidae. Ciliary type identification and mucocyte mapping from post-larval to adult stage showed...
Tipo: Text Palavras-chave: Mucocytes; Mantle; Gill; Larvae postlarvae juveniles; Feeding; Crassostrea gigas; Megathura crenulata; Development; Reproduction; Mucocytes; Manteau; Branchie; Larves post larves juvéniles; Alimentation; Crassostrea gigas; Megathura crenulata; Développement; Reproduction.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/rapport-1867.pdf
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Efeito das sobras de mandioca no ganho de peso de fêmeas bovinas e bubalinas. Infoteca-e
CARDOSO, E. M. R.; SALIMOS, E. P.; ALBUQUERQUE, M. de; NASCIMENTO, C. N. B. do; OLIVEIRA, R. P. de; LOURENÇO JUNIOR, J. de B..
bitstream/item/33546/1/CPATU-CirTec2.pdf
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Bubalino; Suplementacao mineral; Rama; Sindi; Belem; Pará; Brasil; Bovine; Buffalo; Alimentation; Suplementation.; Alimentação; Bovino; Ganho de Peso; Mandioca; Nutrição; Raça.; Amazonia; Cassava; Branches; Nutrition; Weight gain..
Ano: 1980 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/375756
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Efeito do farelo-de-algodão como fonte de proteína para bovinos alimentados com cana-de-açúcar adicionada de uréia. Repositório Alice
TORRES, R. de A.; RODRIGUES, A. de A.; SILVEIRA, M. I. da; VERNEQUE, R. da S..
Verificou-se através do ganho de peso e da conversão alimentar, o melhor nível de farelo de algodão, suplementando bovinos em crescimento, alimentados com cana de açurcar com 1% de farelo.
Tipo: Separatas Palavras-chave: Farelo de algodão; Cana-de-açucar; Bovine; Alimentation; Sugar cane; Alimentação; Bovino; Uréia.
Ano: 1988 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/42783
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Esterco de galinha e melaço na alimentação de novilhos mestiços leiteiros. Repositório Alice
MANZANO, A.; LIMA, C. R.; DUSI, G. A.; SABUGOSA, J. de M..
Foram mantidos novilhos leiteiros em regime de confinamento e a campo, durante 21 semanas, três tipo de tratamento A- recebendo capim verde picado mais um suplemento contendo 60% de esterco e 40% de milho. B- igual ao anterior variando somente a porcentagem de esterco 70%; e o Mesmo tipo de volumoso suplementado exclusivamente com melaço nas primeiras 7 semanas e melaço mais 1,8 kg de farelo de algodão.
Tipo: Separatas Palavras-chave: Gado de Leite; Suplementação; Alimentation; Suplementation.; Alimentação; Esterco; Melaço.; Dairy cattle..
Ano: 1974 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/42520
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Estratégias de alimentação de bovinos em crescimento na época da seca. Infoteca-e
RODRIGUES, A. de A..
Estratégias alimentares para a época da seca; Fontes de alimentos; Níveis e qualidade da proteína; Ganho compensatório; Cana-de-açúcar para bovinos em crescimento na época da seca; Suplementação de bovinos a pasto com concentrado ou mistura múltipla.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Bovinos; Alimentation; Bovines; Growth.; Alimentação; Crescimento..
Ano: 1997 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/44538
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Estudos de alguns aspectos da alimentação em Ascia monuste Godart (Lepidoptera, Pieridae) Zoologia
Felipe,Maria Cecília; Zucoloto,Fernando Sérgio.
Six kinds of crucifer (broccoli, cabbage, califlower, kale, mustard and rugula) were tested, as food, for larvae od Ascia monuste. The best results were obtained eith califlower, broccoli, rugula and kale. Four sugars (glucose, fructose, sucrose and maltose) were tested to know their influence on the number of oviposition in female of Ascia monuste. The best results were obtained with fructose, glucose and sucrose.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lepidoptera; Pieridae; Ascia monuste; Alimentation.
Ano: 1993 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751993000200011
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Etude des nourriceries de la Baie de Seine orientale et de l'estuaire de la Seine ArchiMer
Morin, Jocelyne; Riou, Philippe; Bessineton, Christophe; Vedieu, Christophe; Lemoine, Michel; Simon, Serge; Le Pape, Olivier.
This study, carried out from 1995 to 1997, within the framework of "Le Havre" harbour extension project, concerned halieutic populations and the characterization of a coastal nursery in the oriental part of the Seine bay and the Seine estuary . The main objective was to describe the specific and demographic composition of marine populations and their spatio-temporal distribution, and so assess the biological and halieutic role of this area. This study also included a research about the dietary needs of fish juveniles living in the estuary. Autumn and winter surveys results show that the estuary and area under direct influence are the richest from a biological and halieutic point of view. The mouth estuary isthe richest area in terms of diversity of...
Tipo: Text Palavras-chave: Bay of Seine; Estuary; Food; Trophic; Juvenile; Nursery; Baie de Seine; Estuaire; Alimentation; Trophique; Juvénile; Nourricerie.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/1999/rapport-1507.pdf
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Evaluation de l'effet de l'environnement et de l'alimentation sur l'apparition d'anomalies de développement chez l'alevin de bar (Dicentrarchus labrax) ArchiMer
Menu, Bruno; Robin, Jh; Gouillou-coustans, Marie-francoise.
Larvae from a natural spawn of sea bass were distributed into 3 larval rearing lines in 2 distant sites, after simulated or true transportation. The specific rearing methods in the specific rearing environment of each laboratory were used :starvation under darkness for 160 degrees days and first feeding on Artemia (PP) in the Mediterranean laboratory of Palavas;first feeding on rotifers at 75 degrees days in the laboratory of Brest (Brittany) in 250 liters (BB) tanks or 35 liters tanks (Bb) of a separate rearing line. In the 250 liters tanks in Brest, 2 additional treatments before first feeding on Artemia were tested :starvation up to 160 degrees days under darkness with no bubbling (BP);starvation up to 160 degrees days under continuous illumination with...
Tipo: Text Palavras-chave: Pisciculture; Élevage larvaire; Malformations; Effets de l'environnement; Alimentation; Fish culture; Larval rearing; Abnormalities; Environmental effects; Diet.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00272/38284/36472.pdf
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Gordura animal na alimentação de eqüinos. Repositório Alice
MANZANO, A.; ESTEVES, S. N.; WANDERLEY, R. D. C.; FREITAS, A. R. de; NOVAES, N. J..
Tipo: Separatas Palavras-chave: Eqüinos; Raça Arabe; Equine; Alimentation; Growth.; Alimentação; Crescimento; Ganho de Peso; Gordura Animal.; Weight gain..
Ano: 1994 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/42493
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Influence de l'hydrodynamique des bassins sur la survie et la croissance des larves de turbot (Psetta maxima) ArchiMer
Gaignon, Jean-louis; Petton, Bruno; Quemener, Loic.
During larval rearing phase of turbot, a substantial variability in survival and growth is frequently observed. In this paper, we studied the effects of hydrodynamics in larvae rearing tanks on the survival and the growth of fed and starved larvae, using the following conditions: water flows of 600 and 1200 ml.mn(-1), constant and progressive ones, air flows of 10 and 30 ml.mn(-1), downward and upward water circulation, with direction change during the rearing phase. We also studied the interactions between water circulation direction and feeding conditions by (1) shifting the first feeding day (4 occasions, at 8 hours intervals, from 52 to 76 hours after 95% of hatching) and (2) using 2 amounts of preys (which differ by a factor 3). The results show that...
Tipo: Text Palavras-chave: Turbot; Techniques d'élevage; Alimentation; Turbot; Rearing methods; Feeding.
Ano: 1998 URL: https://archimer.ifremer.fr/doc/00447/55837/62120.pdf
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Interactions entre comportement et variations de la croissance des juvéniles de la sole (Solea solea) dans les nourriceries des pertuis Charentais ArchiMer
Laffargue, Pascal.
This thesis aimed to identify and analyse processes involved in the functioning of sole Solea solea (L.) nurseries in the Pertuis Charentais, the most important oyster cultivation basin in Europe and a major nursery for the Bay of Biscay sole. Juveniles concentrate in coastal and estuarine habitats, which are essential in the biological cycle of this species but implies (i) adaptation to environmental variability and (ii), accessibility to habitat resources. Assuming that effective nurseries account for what fish must perform in response to habitat constraints, especially in selecting feeding, resting or refuge areas, we used both field works and mesocosm experiments to obtain integrative indicators of the nursery quality (growth rate, Fulton's condition...
Tipo: Text Palavras-chave: Atlantic North East; Shellfish culture; Ingested organic carbon; Feeding; Tri iodothyronine T3; Thyroxine T4; Fulton's K; Growth rate; Flatfish; Essential habitat; Atlantique Nord Est; Conchyliculture; Carbone organique ingéré; Alimentation; Tri iodothyronine T3; Thyroxine T4; K de Fulton; Taux de croissance; Poisson plat; Habitat essentiel.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/these-182.pdf
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Les voies de calcul de la filtration ArchiMer
Soletchnik, Patrick; Heral, Maurice; Razet, Daniel; Geairon, Philippe.
Dans le cadre des études de physiologie, la fonction de filtration intervient dans le calcul du bilan énergétique, ou permet de déterminer la quantité d'aliment consommé par les mollusques filtreurs. Cette fonction peut également être considérée dans les relations avec le poids de l'animal, la température et un certain nombre d'indices de qualité et de quantité de l'aliment dont se nourrit le bivalve. Dans un contexte de coopération internationale entre scientifiques anglais, espagnols et français, une expérimentation physiologique sur les mollusques a été réalisée en septembre 1991 à l'IFREMER La Tremblade. De nombreux objectifs motivent cette expérimentation : la comparaison inter espèces, la confrontation des techniques mises en oeuvre par les...
Tipo: Text Palavras-chave: Physiologie; Filtration; Huître creuse; Crassostrea gigas; Alimentation.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/00102/21303/18916.pdf
Registros recuperados: 33
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