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Registros recuperados: 87
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A brief review of nutritional studies for Penaeus monodon ArchiMer
Liao, I; Liu, F.
In order to develop effective formulated for Penaeus monodon , sufficient information is needed on its nutritional requirements. Unfortunately, research on this area has been very limited. This paper outlines the results of such research. Since data on the nutritional requirements of P. japonicus are relatively well established, some of these data are also reviewed in this paper and are used as a basis for assessing the nutritional requirements of P. monodon . Protein, lipid, carbohydrate, mineral and vitamin requirements are evaluated from the parameters of growth survival and feed efficiency. Studies on the effects of enzymes and the development of microparticulate diet for larvae are also summarized.
Tipo: Text Palavras-chave: Penaeus monodon; Pond culture; Shrimp culture; Amino acids; Fatty acids; Marine crustaceans; Diets; Enzymes; Feed efficiency; Survival; Growth; Vitamins; Carbohydrates; Lipids; Proteins.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1471.pdf
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Adaptations biochimiques intestinales chez la truite: Influence de l'aliment et de la salinite sur quelques proprietes membranaires ArchiMer
Leray, C.
The authors report the results of physiological and biochemical experiments which confirm the important role player by fish (Salmo gairdneri ) intestinal mucosa in their osmoregulatory process. The ability of the dietary lipids to modulate this function is described. It was demonstrated that the ionic apical permeability of the enterocytes are related to their membrane lipid composition. The importance of the essential fatty acids is emphasized. The time course changes of the apical permeability are of value in improving sea water adaptation, similar conclusions are reported for Nacl supplementation.
Tipo: Text Palavras-chave: Salmonidae; Pisces; Biological membranes; Fatty acids; Diets; Osmotic adaptations; Biochemical phenomena; Intestines; Lipids; Nutrition; Salinity effects; Euryhalinity; Osmoregulation.
Ano: 1983 URL: http://archimer.ifremer.fr/doc/1983/acte-1249.pdf
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Alternativas para obtener alimentos más eficientes en el engorde semintensivo del camarón blanco (Litopenaeus Schmitti) OceanDocs
Alvarez, S.; Garcia, T.; Villareal, H.; Galindo, J.; Fraga, I.; Pelegrín, E..
Se desarrollaron cuatro diseños experimentales completamente aleatorizados. El primero se realizó a escala de laboratorio, en cajas plásticas de 40L de capacidad y 10 juveniles/caja, para evaluar la respuesta de los camarones ante la sustitución parcial y total de la harina de pescado por soya en la dieta, teniendo como control la fórmula empleada en el engorde a escala comercial.
Tipo: Proceedings Paper Palavras-chave: Prawn culture; Diets; Animal growth.
Ano: 2004 URL: http://hdl.handle.net/1834/1881
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Approche du regime alimentaire des juveniles de bars et de limandes en baie de Somme. ArchiMer
Leaute, Jean-pierre.
Stomach contents of juveniles of sea bass (Dicentrarchus labrax ) and common dab (Limanda limanda ) collected during September 1982 from Bay of Somme and the neighbor coast to Penly, were examined. The most part of the diet of young sea bass are the crustaceans, Sedentary polychaetes appear to be the major food item for common dab. For these two young predator species, food preferences tend to change early: cumaceans, then common edible shrimp, for sea bass, Tube worm tentacles, then part of whole individuals are preferred by common dab.
Tipo: Text Palavras-chave: Dicentrarchus labrax; Prey selection; Food preferences; Stomach content; Diets.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/publication-1789.pdf
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Aquaculture of red tilapia Oreochromis sp. in marine environments: State of the art. ArchiMer
Watanabe, W; Ernst, D; Olla, B; Wicklund, R.
The Caribbean Marine Research Centre is conducting research on the development of methods for intensive culture of euryhaline red tilapias in marine environments for application to Caribbean islands and similar regions with limited freshwater resources.
Tipo: Text Palavras-chave: Survival; Growth; Eggs; Brood stocks; Incubation; Brackish water; Seed (aquaculture); Food conversion; Hatcheries; Controlled conditions; Diets; Floating cages; Sea water; Salinity tolerance; Intensive culture; Fingerlings.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1493.pdf
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Avaliação de dietas formuladas conforme o NRC (2007), com ou sem restrição de nutrientes, para cordeiros terminados em confinamento no semiárido brasileiro. Repositório Alice
OLIVEIRA, D. de S..
Resumo: Objetivou-se avaliar dietas formuladas conforme o NRC (2007), com ou sem restrição de nutrientes, para cordeiros de dois grupos genéticos naturalizados ao semiárido brasileiro, prevendo-se maturidade precoce e tardia. Avaliou-se o consumo (g/UTM), a digestibilidade, o comportamento ingestivo, o desempenho e características da carcaça e da carne dos cordeiros; procedendo-se ainda análise econômico-financeira das dietas. Foram utilizados 20 cordeiros Santa Inês e 20 Morada Nova. Adotou-se o delineamento experimental inteiramente ao acaso, em esquema fatorial 2 x 2, com dois tipos de formulações (para maturidades precoce e tardia) e dois níveis de restrição de proteína (PB) e energia (NDT) (0 e 15%), com cinco repetições por tratamento para cada grupo...
Tipo: Tese/dissertação (ALICE) Palavras-chave: Semiárido; Brasil; Nutrição animal; Ovinocultura; Indicador econômico; Genótipo; Cordeiro; Nutriente; Exigência nutricional; Dieta; Terminação; Animal nutrition; Sheep; Lambs; Economic indicators; Nutritional requirements; Feed requirements; Nutrients; Fattening; Diets; Brazil; Semiarid climate.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1087250
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Avaliação econômica de dietas formuladas conforme o NRC (2007) com e sem restrição de energia e proteína na terminação de cordeiros em confinamento. Repositório Alice
BRITO, T. M.; OLIVEIRA, D. de S.; ROGERIO, M. C. P.; ALVES, A. A.; MARTINS, E. C.; MIRANDA, R. C. de; MOURÃO, E. B.; CARVALHO, W. F. de..
O ovinocultor para realizar sua tomada de decisão, deve ficar atento aos itens envolvidos com a alimentação, que é a chave do sucesso para que sua atividade seja produtiva e lucrativa. Portanto, estudos que avaliem a eficiência do uso de diferentes dietas poderão contribuir com a busca da eficiência produtiva e econômica da terminação de cordeiros em confinamento. Dessa forma, objetivou-se avaliar o custo de diferentes dietas utilizadas na alimentação de ovinos terminados em confinamento.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Ovino; Nutrição animal; Alimento para animal; Custo; Eficiência nutricional; Alimento alternativo; Analise economica; Sheep; Animal nutrition; Animal feeding; Nutritional requirements; Costs; Economic viability; Diets.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1060327
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Baker's yeast as a potential substitute for live algae in aquaculture diets: <i>Artemia</i> as a case study OMA
Coutteau, P.; Lavens, P.; Sorgeloos, P..
In this study baker's yeast was evaluated as a substitute for live <i>Dunaliella tertiolecta</i> algae in the culture of the brine shrimp <i>Artemia</i> . Consumption of fresh baker's yeast resulted in poor growth and survival of brine shrimp. However, the nutritional value of the yeast significantly improved after complete removal of the yeast cell wall by enzymatic treatment. Baker's yeast was also made digestible for <i>Artemia</i> by simple chemical treatment which did not reduce rigidity of the yeast cell. The external mannoprotein layer of the yeast cell wall is probably the major barrier to digestion by <i>Artemia</i> . Chemically treated baker's yeast offers promising possibilities as a substitute for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diets; Yeasts; Artemia; Saccharomyces cerevisiae.
Ano: 1990 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3064
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Características de algunas rayas de la región sudpatagónica OceanDocs
Sánchez, M.F.; Mabragaña, E..
Data considered in this paper were obtained during a research cruise carried out on board of RV Dr. E.L. Holmberg from INIDEP (Instituto Nacional de Investigacion y Desarrollo Pesquero) during March-April 2000 in the area between 48°S and 55°S (S Patagonian) region, SW Atlantic. From 61 bottom trawls a total of 355 specimen belonging to 11 skate species were collected. This represents, in number, 1.8 of the total species biomass. All skate species were identified and some biological characteristics for each species analyzed. Abundance was estimated in tons and the distribution area of each species was determined. Total weight and morphometric data by sex were measured total length, disc width and clasper length. Stomach content and macroscopical...
Tipo: Journal Contribution Palavras-chave: Marine fish; Abundance; Stomach content; Food organisms; Diets; Feeding behaviour; Community composition; Feeding behaviour; Http://aims.fao.org/aos/agrovoc/c_10778.
Ano: 2002 URL: http://hdl.handle.net/1834/2426
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Comparison of phosphatidylcholine purified from soybean and marine fish roe in the diet of postlarval <i>Penaeus vannamei</i> Boone OMA
Coutteau, P.; Kontara, E.K.M.; Sorgeloos, P..
The effects of adding two different types of phosphatidylcholine (PC) (purified from soybean lecithin, SPC, or marine fish roe, MPC) on growth, survival and osmotic stress resistance as well as lipid and fatty acid composition of postlarval <i>Penaeus vannamei</i> was determined. PC was added at a level of 1.5% in a semi-purified diet containing similar levels of essential fatty acids (EFA). A PC-free diet served as the control treatment. The supplementation of 1.5% SPC significantly improved growth and reduced sensitivity to osmotic stress. <i>P. vannamei</i>-fed MPC showed inferior growth compared to those fed SPC, but yielded better growth and survival than the PC-deprived shrimp. The addition of any of the PC types resulted in a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal nutrition; Complex lipids; Diets; Feeding experiments; Lipids; Neurotransmitters; Polyunsaturated fatty acids; Shrimp culture; Survival; Litopenaeus vannamei; Penaeus vannamei.
Ano: 2000 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=37
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Composición de la dieta de Pellona harroweri (Fowler) (Pisces: Pristigasteridae) en la Guajira, Caribe colombiano OceanDocs
Criales-Hernández, M.I..
This study provides quantitative information on digestive tract content of Pellona harroweri caught on the Guajira shelf at a depth of 20 m. Preferential prey are crustaceans, mainly copepos and luciferids.
Tipo: Journal Contribution Palavras-chave: Diets; Stomach content.
Ano: 2003 URL: http://hdl.handle.net/1834/3137
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Composition en acides gras des différents organes du pétoncle "Flexopecten glaber" (pectinidae) dans la lagune de Bizerte (Tunisie) OceanDocs
Telahigue, K.; Rabeh, I.; Chetoui, I.; Romdhane, M.S..
Dans le présent travail, les profils lipidiques des acides gras du pétoncle Flexopecten glaber récolté dans la lagune de Bizerte pendant le mois de mai 2007 ont été déterminés. Les pourcentages des différents groupes d’acides gras dans les organes (manteau, muscle adducteur, gonade, branchies et glande digestive) ont été calculés. Les résultats de la chromatographie en phase gazeuse ont révélé des pourcentages élevés en C20:5n-3 et en C14:0 et le rapport C22:6n-3/C20:5n-3 (DHA/EPA) est inférieur à 1, au niveau de la glande digestive du bivalve. Ceux-ci nous ont permis d’en déduire que le régime alimentaire de ce bivalve est essentiellement basé sur les diatomées. Les pourcentages les plus élevés des acides gras polyinsaturés de la série n-3 (EPA et DHA...
Tipo: Journal Contribution Palavras-chave: Animal nutrition; Animal organs; Biochemical composition; Diets; Fatty acids; Lagoon fisheries.
Ano: 2009 URL: http://hdl.handle.net/1834/4496
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Consumo e conversão alimentar de dietas com feno de erva sal (Atriplex nummularia Lind.), para ovinos em confinamento. Repositório Alice
SOUTO, J. C. R.; ARAUJO, G. G. L. de; MOREIRA, J. N.; GUIMARÃES FILHO, C.; TURCO, S.H.N.; COSTA, R.G. da; MEDEIROS, A.N. de..
Avaliaram-se os efeitos de dietas com diferentes níveis do feno de erva sal, sobre os consumos de matéria seca (MS), proteína bruta (PB) fibra em detergente neutro (FDN) e carboidratos totais (CHO) e sobre a conversão alimentar da MS e da PB, em ovinos. Utilizaram-se 20 carneiros sem padrão racial definido, com peso vivo médio inicial de 23,0 kg, submetidos a um delineamento experimental inteiramente casualizado e alimentados em gaiolas para metabolismo com piso ripado. O período experimental foi de 42 dias, sendo que antes do inicio das tomadas dos dados, os animais passaram por um período de 14 dias de adaptação e foram pesados no inicio do experimento e a cada semana. Foram avaliadas cinco dietas contendo: D1=38,30; D2=52,55; D3=64,57; D4=74,85 e...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Carneiro; Confinamento; Dieta; Erva sal; Feno; Melancia forrageira; Raspa de mandioca; Atriplex nummularia; Manihot esculenta; Citrullus lanatus; Sheep; Fattening; Diets; Cassava root; Forage; Watermelons; Hay; Produção animal; Animal production.
Ano: 2002 URL: http://www.alice.cnptia.embrapa.br/handle/doc/131856
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Dawn chorus variation in East-Asian tropical montane forest birds and its ecological and morphological correlates Naturalis
Chen, W.-M.; Lee , Y.-F.; Tsai, C.-F.; Yao, C.-T.; Chen, Y.-H.; Li, S.-H.; Kuo, Y.-M..
Many birds in breeding seasons engage in vigorous dawn singing that often turns to a prominent chorus. We examined dawn chorus variation of avian assemblages in a tropical montane forest in Taiwan and tested the hypothesis that onset sequence is affected by eye sizes, foraging heights, and diet of birds. Chorus onset and duration varied between sampling months, but generally peaked in the prime breeding season. Overall dawn chorus length increased with, but mean duration per species was negatively correlated with, species richness. The inter-correlation among trait variables in phylogenetic independent contrasts was calculated and examined. Both foraging height and relative eye size were selected as positively explanatory factors, but no dietary effects...
Tipo: Article / Letter to the editor Palavras-chave: Breeding; Canopy; Diets; Eye size; Foraging; Perch; Taiwan; Tropical forests; Birds; 42.83; 42.62.
Ano: 2015 URL: http://www.repository.naturalis.nl/record/578950
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Desempenho de ovinos alimentados com feno de erva sal (Atriplex nummularia Lindl.), no semi-árido nordestino. Repositório Alice
SOUTO, J.C.R.; ARAUJO, G. G. L. de; SILVA, D.S. da; PORTO, E.R.; OLIVEIRA, C.A.V.; MEDEIROS, A.N. de; COSTA, R.G. da..
2002
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Carneiro; Confinamento; Dieta; Ganho de peso; Raspa de mandioca; Volumoso; Sheep; Cassava root; Diets; Weight gain; Fattening; Roughage.
Ano: 2002 URL: http://www.alice.cnptia.embrapa.br/handle/doc/131908
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DIETARY EVOLUTION OVER TIME IN EUROPE, BETWEEN CYCLOPS AND PHAECIANS . AN OUTLOOK ON THE ROLE OF SUPPLY-SIDE FACTORS IN DRIVING CHANGES IN THE FOOD PATTERNS AgEcon
Finardi, Corrado; Arfini, Filippo; Turrini, Aida.
The present study intends to shed light, both from a descriptive and investigative point of view on the dietary evolution taking place in Europe during last 45 years, using secondary data from FAO FBS, which can cover the entire time span considered and allow for several extrapolation and timeseries analysis, differently than single survey data.. After a clustering of selected european national diets, using specific metrics with respect both to internal and external variety (as measured by appropriate indicators), we intended to check the actual distance that average, national diets have in front of the so called Food Pyramid, which consists in a balance of several food items in adequate proportions and in fact glorifies the healthy virtues of the...
Tipo: Conference Paper or Presentation Palavras-chave: Diets; Evolution; Clustering; Food pyramid; Europe; Trade; GI; Agricultural and Food Policy; Consumer/Household Economics; Demand and Price Analysis; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; Health Economics and Policy; E37; Q18.
Ano: 2010 URL: http://purl.umn.edu/116443
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Dietas prácticas para el cultivo de Litopenaeus schmitti: una revisión OceanDocs
Jaime Ceballos, B.; Galindo López, J..
Se resumen los resultados del trabajo desarrollado por investigadores cubanos en el campo de la alimentación y nutrición del camarón blanco Litopenaeus schmitti, referidos a la formulación de alimentos balanceados para las fases de precría y engorde. Aporta información sobre la respuesta de dicha especie a la inclusión de materias primas convencionales o no en dietas prácticas, constituyendo una vía de abaratamiento de las mismas mediante el uso de ingredientes nacionales. Además se muestran los resultados obtenidos en cuanto a empleo de aglutinantes, tamaños de partículas e investigaciones básicas aplicadas a esta actividad. Estos estudios han servido de base para la obtención de alimentos comerciales eficientes que sustentan el desarrollo de la...
Tipo: Journal Contribution Palavras-chave: Shrimp culture; Diets.
Ano: 2006 URL: http://hdl.handle.net/1834/1886
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Distribución, áreas de concentración y estructura de la población del abadejo (Genypterus blacodes) OceanDocs
Renzi, M.A..
The "abadejo" is one of the species that has been traditionally exploited in the Argentine Sea. Although the capture was not very important, it has been increased in the last years. In this work, the structure of the concentration areas of summer, spring and winter distribution and other biological items were analyzed, basing on the data collected during cruises effected by R/V "Walther Herwing" and R/V "Shinkai Maru" in these waters during 1978/79. Winter and spring distribution patterns showed the highest concentrations located between 41º and 48º SL, specially on the slope. Summer distribution pattern showed the concentration areas located between 43º30' and 48º30' LS shifted rather to the coast when comparing to the previous one. During the winter, in...
Tipo: Theses and Dissertations Palavras-chave: Geographical distribution; Population structure; Feeding; Length-weight relationships; Stomach content; Diets; Seasonal distribution.
Ano: 1982 URL: http://hdl.handle.net/1834/5028
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Early weaning of marine fish larvae onto microdiets: Constraints and perspectives ArchiMer
Person, L.
Weaning small sized marine fish larvae at first feeding directly onto compound pellets is still difficult, while good results can be obtained when used in combination with live prey or when a prefeeding period on live prey is provided up to a size of about 2-3 mg. Microdiets are generally well ingested as their acceptability and visual detection may be improved using feeding activators and increasing good perception contrast. In theory, food may be processed to have a correct nutritional balance, selection of high digestible components is very important as larval digestive system is not fully functional during the first 2 or 3 weeks of life.
Tipo: Text Palavras-chave: Hatching; Fatty acids; Amino acids; Nutritional requirements; Feeding behaviour; Stomach; Digestive system; Enzymes; Digestion; Physiology; Diets; Pellet feeds; Feeding; Fish larvae.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/acte-1422.pdf
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Efecto de dos alimentos en el desempeño productivo de Clarias gariepinus en tanques de cemento OceanDocs
Llanes, J.; Toledo, J.; Lazo de la Vega, J. M..
El objetivo de este trabajo fue evaluar el efecto de dos alimentos en el desempeño productivo del bagre africano cultivado en tanque de cemento de 1 m3 durante 50 días. Se utilizaron 600 alevines de Clarias gariepinus (10,0 g de peso medio inicial) distribuidos según diseño completamente aleatorizado en dos tratamientos triplicados (100 alevines/tanque): la dieta comercial de tilapia como control (harina de soya como única fuente de proteína) y otra experimental semihúmeda con 40 % de ensilaje de residuos pesqueros y 60 % del control. Se encontraron diferencias estadísticas en el crecimiento, la conversión del alimento, eficiencia proteica y supervivencia a favor de la dieta experimental. Estos resultados demostraron que fue necesaria la inclusión de...
Tipo: Journal Contribution Palavras-chave: Fish; Diets; Commercial fisheries.
Ano: 2011 URL: http://hdl.handle.net/1834/4623
Registros recuperados: 87
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