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A physiological and biochemical approach to selecting the ideal diet for Ostrea edulis (L.) broodstock conditioning (part A) ArchiMer
Gonzalez-araya, Ricardo; Queau, Isabelle; Quere, Claudie; Moal, Jeanne; Robert, Rene.
To select the best microalgae for Ostrea edulis conditioning, four single species diets were fed to batches of broodstock, which were then compared using physiological and biochemical approaches. Ingestion and absorption were first studied, showing that Chaetoceros gracilis and Skeletonema marinoï were efficiently ingested (4.9–5.3 mg g−1 h−1) and absorbed (1.9–2.5 mg g−1 h−1) while Tetraselmis suecica led to the lowest physiological responses (0.36 and 0.12 mg g−1 h−1 respectively). When O. edulis were fed any microalgae except T-ISO with only 79 mg g−1, gonads accumulated carbohydrates from 116 to 141 mg g−1 and the extent of accumulation depended on the species supplied in the order T. suecica<C. gracilis<S. marinoï. When oysters were fed either...
Tipo: Text Palavras-chave: Ostrea edulis; Conditioning; Algal diets; Ingestion; Absorption; Biochemical composition.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00033/14449/11748.pdf
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A rapid screening method for grain iron content in Pearl Millet Open Agri
Velu, G..
Palavras-chave: Wood decay; Genotypes; Grain; Millets; Protocols; Flours; Sampling; Iron; Absorption; Potassium.
Ano: 2006 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3210
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Absorption et régénération de l'azote dans le système brassé de la Manche : productions nouvelle et régénérée ArchiMer
Maguer, Jf; L'Helguen, S; Madec, C; Le Corre, P.
Nitrate and ammonium uptake rates were measured in spring and summer in deep and shallow well-mixed waters of the English Channel during different cruises between 1986 and 1994. In the deep waters, nitrate uptake was relatively low during phytoplankton development and ammonium uptake represented more than 70 % of the total uptake irrespective of the season. In the shallow waters, nitrate uptake during spring phytoplankton growth was high and represented about 75 % of the total uptake. Ammonium uptake became substantial towards the end of spring and summer. The high contribution of ammonium to the nitrogenous nutrition of phytoplankton over the whole of the well-mixed waters is related to a high rate of recycling of nitrogen in the water column. Ammonium...
Tipo: Text Palavras-chave: Azote; Absorption; Régénération; Productions nouvelle et régénérée; Manche; Nitrogen; Uptake; Regeneration; New and regenerated productions; English Channel.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00325/43644/43246.pdf
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Aplicação de zinco em sementes de sorgo cv. BRS 304: efeitos na nutrição e no crescimento inicial - DOI: 10.4025/actasciagron.v30i4.5300 Agronomy
Romualdo, Liliane Maria; UNESP; Rozane, Danilo Eduardo; UNESP.
O efeito do zinco aplicado, em sementes na nutrição do sorgo, é afetado pelas fontes e doses empregadas. O presente trabalho objetivou avaliar a aplicação de zinco, a partir de duas fontes, sobre a nutrição e o crescimento inicial da cultura do sorgo cv. BRS 304, cultivado em areia. Os tratamentos foram cinco doses (0; 14,3; 28,6; 57,2 e 114,4 g kg-1 de semente) e duas fontes de zinco, o sulfato (22% de Zn) e o óxido (50% de Zn). Aos 25 dias após a semeadura, efetuou-se o corte das plantas, e avaliou-se a massa seca da parte aérea e das raízes, e determinou-se o teor e o acúmulo de Zn nas plantas. A aplicação de 14 g Zn kg-1 de sementes, na forma de óxido, proporcionou adequado crescimento inicial do sorgo cv. BRS 304. A fonte sulfato promoveu maior...
Palavras-chave: 5.01.00.00-9 Agronomia Sorghum bicolor; Micronutriente; Adubação; Absorção. Sorghum bicolor; Micronutrient; Fertilization; Absorption.
Ano: 2008 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/5300
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Boron rates for triticale and wheat crops Scientia Agricola
Corrêa,Juliano Corulli; Esteves,José Antônio de Fátima; Grassi Filho,Helio; Alves,Elza; Ceccon,Gessi.
No reports are registered on responses to boron fertilization nutrient deficiency and toxicity in triticale crops. The aim of this study was to evaluate triticale response to different rates of boron in comparison to wheat in an hapludox with initial boron level at 0.08 mg dm-3 4 <FONT FACE=Symbol>´</FONT> 4 factorial design trial completely randomized blocks design (n = 4). Boron rates were 0; 0.62; 1.24 and 1.86 mg dm-3; triticale cultivars were IAC 3, BR 4 and BR 53 and IAPAR 38 wheat crop was used for comparison. The wheat (IAPAR 38) crop presented the highest boron absorption level of all. Among triticale cultivars, the most responsive was IAC 53, presenting similar characteristics to wheat, followed by BR 4; these two crops are considered...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Triticosecale; Triticum aestivum; Absorption.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162005000200009
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Breed and Sex Differences in the Gross Anatomy, Digesta pH and Histomorphology of the Gastrointestinal Tract of Gallus Gallus Domesticus Rev. Bras. Ciênc. Avic.
Mabelebele,M; Norris,D; Brown,D; Ginindza,MM; Ngambi,JW.
ABSTRACT A study was conducted to investigate the influence of breed and sex in the gross anatomy, digesta and histology of Ross 308 broiler and Venda chickens. Chickens were slaughtered at 90 days of age and the pH of the digestive organs was measured immediately after slaughter. The digestive organ weights and lengths of Ross 308 broiler and Venda chickens were measured. Tissue samples of the duodenum, ileum and jejunal from each treatment group were collected and histologically examined. Higher (p<0.05) gizzard pH values were observed in male and female of Ross 308 broiler and Venda chickens. The jejunal and ileal pH values were lower (p<0.05) for Venda chickens than in Ross 308 broiler chickens. The absolute weights of the gastrointestinal tract,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Absorption; Chickens crypt depth digestive system villi height.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2017000200339
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Chickpea Cultivar ICCV 1 Open Agri
Palavras-chave: Chickpeas; Pigeonpeas; Absorption; Humus; Tillage equipment; Land management; Yields; Sampling; Selection; Tropical zones.
Ano: 1984 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3164
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Chickpea Cultivar ICCV 1 Open Agri
Palavras-chave: Chickpeas; Pigeonpeas; Absorption; Humus; Tillage equipment; Land management; Yields; Sampling; Selection; Tropical zones.
Ano: 1984 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3772
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Chromium oxide (51Cr2O3 ) used as biological marker was not absorbed by fish Arq. Bras. Med. Vet. Zootec.
Sakita,G.Z.; Meira,D.C.; Bremer Neto,H.; Cyrino,J.E.P.; Abdalla,A.L..
The aim of this study was to evaluate the rate absorption of radio-labeled chromium oxide (51Cr2O3), used as biological marker in nutrition studies with Nile tilapia Oreochromis niloticus. An experimental diet with approximately 58 µCi of specific activity of the element was encapsulated and fed daily to 35 adult Nile tilapia; a group of 35 fish was used as control feeding on a basal diet. At the beginning of the experiment five fish from each group were randomly selected and blood samples were drawn from control (BC) and experimental fish (BE). Fish were then euthanized by anesthetic overdoses and samples of the liver tissue (LT), renal tissue (RT), stomach without content (S), intestine without content (I), gills tissue (GT), muscle tissue (fillet; MT),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nile tilapia; Oreochromis niloticus; Absorption; Digestibility; Nutrition.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352015000300755
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Combined oral toxicity of azaspiracid-1 and yessotoxin in female NMRI mice ArchiMer
Aasen, John A. B.; Espenes, Arild; Miles, Christopher O.; Samdal, Ingunn A.; Hess, Philipp; Aune, Tore.
For many years, the presence of yessotoxins (YTXs) in shellfish has contributed to the outcome of the traditional mouse bioassay and has on many occasions caused closure of shellfisheries. Since YTXs do not appear to cause diarrhoea in man and exert low oral toxicity in animal experiments, it has been suggested that they should be removed from regulation. Before doing so, it is important to determine whether the oral toxicity of YTXs is enhanced when present together with shellfish toxins known to cause damage to the gastrointestinal tract. Consequently, mice were given high doses of YTX, at 1 or 5 mg/kg body weight, either alone or together with azaspiracid-1 (AZA1) at 200 μg/kg. The latter has been shown to induce damage to the small intestine at this...
Tipo: Text Palavras-chave: Azaspiracid-1; AZA1; Yessotoxin; YTX; Marine algal toxins; Absorption; Pathology; Sublethal; NMRI; Mice; LC-MS/MS; Oral toxicity.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00034/14477/11776.pdf
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Consumption of ferulic and p-hydroxybenzoic acids by soybean root tips BABT
Silva,Hélio Cândido da; Herrig,Vanessa; Ferrarese,Maria de Lourdes L.; Ferrarese-Filho,Osvaldo.
Depletion method was used to describe how soybean root consumed ferulic and p-hydroxybenzoic acids in nutrient culture. The results showed that excised cultured soybean roots consumed these allelochemicals very rapidly. At concentrations between 0.1 and 1.0 mM, roots consumed 50% or more of ferulic acid after 6-h depletion. Although consumption started only after 3 h, similar behavior was verified with p-hydroxybenzoic acid.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max L. Merr.; Root; Absorption; Allelochemicals.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132000000300006
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Contribution of nitrogen derived from mineral supplementation for soybean seedlings Ciência e Agrotecnologia
Conceição,Gerusa Massuquini; Martin,Thomas Newton; Brunetto,Gustavo; Backes,Rogério Luiz; Andrade,Fabrício Fuzzer de; Beche,Manoela.
ABSTRACT Seeds can absorb N from mineral supplementation, thus stimulating seedling development in soybeans (Glycine max (L.) Merrill). This study aimed to evaluate the contribution to soybean seedlings of N derived from mineral supplementation in seeds with different nutritional contents. Seeds of the cultivar BMX Potência RR received mineral supplementation enriched with 2.5% excess 15N. The treatments were performed in seeds in two lots, one with high and one with low nutritional content. At 2, 6 and 10 days after sowing on paper towels, the seedlings were collected and separated into cotyledons, roots and shoots. Dry matter production, root length and root volume were assessed. Total N and 15N values were analyzed in the seedling organ tissues. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max (L.) Merrill; Absorption; Distribution; 15N..
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542018000100033
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Cultivo hidropónico y manejo nutrimental de la producción anual de Antirrhinum majus L. en condiciones de invernadero. Colegio de Postgraduados
Rojas Velázquez, Angel Natanael.
La información y tecnologías para el cultivo hidropónico de perrito (Antirrhinum majus L.) en invernadero es limitada y requiere mayor conocimiento e investigación para el adecuado manejo del cultivo. En el presente estudio se utilizó un material de verano (Grupo IV) serie Potomac cv. Rose, para determinar los efectos del potencial osmótico (PO) en la solución nutritiva (-0.036, -0.054, -0.072, -0.090 y -0.108 MPa) en el contenido de biomasa y calidad comercial, análisis de crecimiento, absorción y extracción nutrimental, durante en cultivos de invierno y verano. En general las diferentes variables evaluadas, biomasa aérea, vida de florero y días a cosecha se vieron afectados por los tratamientos de PO y por las estaciones de crecimiento. La...
Palavras-chave: Análisis de crecimiento; Absorción; Extracción; Hidroponía; Invernaderos; Growth analysis; Absorption; Extraction; Hydroponic; Greenhouse; Doctorado; Fruticultura.
Ano: 2010 URL: http://hdl.handle.net/10521/237
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Cultivo hidropónico y manejo nutrimental de la producción anual de Antirrhinum majus L. en condiciones de invernadero. Colegio de Postgraduados
Rojas Velázquez, Angel Natanael.
La información y tecnologías para el cultivo hidropónico de perrito (Antirrhinum majus L.) en invernadero es limitada y requiere mayor conocimiento e investigación para el adecuado manejo del cultivo. En el presente estudio se utilizó un material de verano (Grupo IV) serie Potomac cv. Rose, para determinar los efectos del potencial osmótico (PO) en la solución nutritiva (-0.036, -0.054, -0.072, -0.090 y -0.108 MPa) en el contenido de biomasa y calidad comercial, análisis de crecimiento, absorción y extracción nutrimental, durante en cultivos de invierno y verano. En general las diferentes variables evaluadas, biomasa aérea, vida de florero y días a cosecha se vieron afectados por los tratamientos de PO y por las estaciones de crecimiento. La...
Palavras-chave: Análisis de crecimiento; Absorción; Extracción; Hidroponía; Invernaderos; Growth analysis; Absorption; Extraction; Hydroponic; Greenhouse; Doctorado; Fruticultura.
Ano: 2010 URL: http://hdl.handle.net/10521/237
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Design, development and performance of solar dryer for pineapple (Ananas comosus (L.) Merr.), mamey (Mammea americana L.) and banana (Musaparadisiaca L.) fruit drying Acta Agron. (Palmira)
Macías-Ganchozo,Edgar Ruperto; Bello-Moreira,Italo Pedro; Trueba-Macías,Sabrina Liz; Anchundia-Muentes,Xavier Enrique; Anchundia-Muentes,Manuel Eduardo; Bravo-Moreira,Celio Danilo.
Abstract The aim of the present research was to know the shelf life of dehydrated tropical fruits based on an indirect type solar dryer, which was designed and developed under the conditions of Calceta, Bolívar canton of Manabí province, Ecuador. Due to the banana fruit physical and chemical characteristics exhibited during the process of dehydration by radiation, satisfactory results were obtained, superior to those obtained in fruits of mamey and pineapple. For example, moisture in banana with 80.22% dropped to 10.35%; in relation to protein ratio, which had achieved an increasing from 1.27% in its fresh state to 2.18% and in fiber contents from 0.88% in its fresh state to 2.41%. The microbiological analyzes determined the shelf life of the estimated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Absorption; Convective multi-flash drying process (CMDF); Fruit dehydration; Fruit postharvest; Solar energy; Water activity.
Ano: 2018 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122018000100030
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Dietary neutral lipid level and source in marine fish larvae: Effects on digestive physiology and food intake ArchiMer
Morais, Sofia; Conceicao, L; Ronnestad, I; Koven, W; Cahu, Chantal; Zambonino, Jose-luis; Dinis, M.
A growth depressing effect of high dietary neutral lipid levels in marine fish larvae has been reported. This may be a result of a decrease in the efficiency or activity of digestive enzymes, a reduction in absorption efficiency and/or a decrease in food intake. The present work reviews recent studies carried out on commercially valuable species (Atlantic herring, Senegalese sole, European seabass and gilthead seabream) that investigated the effects of neutral lipid level and lipid source (fatty acid composition) on some of these key factors influencing larval growth. The results seem to collectively indicate that lipid transport from the enterocytes into the body may be more problematic in larval stages dealing with high neutral lipid diets than lipolytic...
Tipo: Text Palavras-chave: Ingestion; Lipid droplets; Digestion; Absorption; Fatty acid composition; Lipid quantity.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-3029.pdf
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Dinamica de nutrientes em solos arenosos no Pantanal Mato-Grossense. Infoteca-e
CUNHA, N. G. da.
Nos solos arenosos das sub-regioes da Nhecolandia e dos Paiaguas, no Pantanal Mato-Grossense, tem sido desenvolvidas pesquisas que objetivam determinar as limitacoes existentes ao estabelecimento e crescimento de forrageiras. Neste aspecto sao revisados os resultados dos experimentos realizados referentes a estabilidade dos nutrientes em cordilheira, causas da variacao estacional da producao das forrageiras, variacao da umidade nos solos de cordilheira e caronal, niveis e limitacoes de nutrientes no meio, uso da calagem nos solos mais pobres, produrando-se discutir as informacoes basicas obtidas e delas avaliar o conjunto de fatores que interfere na producao de forrageiras. A analise dos resultados indica que o sistema solo-agua-planta em seu dinamismo...
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Forrageira; Fertility; Nutrient; Production.; Absorção; Água; Fertilidade; Nutriente; Produção; Solo Arenoso.; Solo; Brazil; Pantanal; Absorption; Forage; Soil; Sandy soils; Water..
Ano: 1985 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/787717
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Dry matter and macronutrient extraction curves of potato varieties in the Alto Paranaíba region, Brazil AGRIAMBI
Silva,Carlos D. da; Soares,Maria E. P.; Ferreira,Miller H.; Cavalcante,Alian C. P.; Andrade,Guilherme A. V. de; Aquino,Leonardo A. de.
ABSTRACT Information on plant nutrient extraction is of utmost importance for the management of fertilization in crops. The objective of the study was to determine the accumulation of dry matter mass in the tubers and aerial parts of the plants and to generate absorption curves of macronutrients N, P, K, Ca and Mg for the potato varieties Ágata, Asterix, Atlantic and Taurus. The shoot and tuber samples were collected at 6, 13, 54, 66, 70, 82 and 97 days after planting. The highest accumulation of dry matter was observed in the Asterix and Atlantic varieties. The varieties Asterix and Atlantic showed higher N and K extraction and, consequently, higher productivity, while Taurus and Ágata presented lower yields and nutrient extraction. The period of greatest...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum tuberosum; Absorption; Nutrients.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662020000300176
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Ecophysiologie de la maturation sexuelle et de la ponte de l'huître creuse Crassostrea gigas : réponses métaboliques (respiration) et alimentaires (filtration, absorption) en fonction des différents stades de maturation ArchiMer
Soletchnik, Patrick; Razet, Daniel; Geairon, Philippe; Faury, Nicole; Goulletquer, Philippe.
The study of maturation and spawning of the oyster is part of a research program to investigate the summer mortalities of the oysters, Crassostrea gigas in Marennes-Oléron Bay. Four maturity stages were simultaneously obtained by diet and thermal conditioning (immature, low maturation, mature and post-spawning stages). Measurements of clearance, filtration, absorption and respiration rates allowed a calculation of the scope for growth and hence an estimation of the oyster's energetic budget at various maturity stages. Male and female oysters had similar physiological responses. The filtration rate ranged from 2.4 to 2.6 1.h(-1) at the early stages of maturation and decreased to 1.8 1.h.' during the maturity stage. Growth rate resulting from gonad...
Tipo: Text Palavras-chave: Huître; Crassostrea gigas; Conditionnement; Maturation; Filtration; Absorption; Respiration; Oyster; Crassostrea gigas; Conditioning; Maturation; Filtration; Absorption and respiration rates.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/1997/publication-3090.pdf
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Efeitos da inoculação de micorriza na produção de matéria orgânica de leguminosas arboreas e arbustivas. Infoteca-e
BLUM, E..
bitstream/item/57928/1/Doc40-p245-260.pdf
Tipo: Outras publicações técnicas (INFOTECA-E) Palavras-chave: Árvore leguminosa; Produção de matéria orgânica; Absorção de nitrogênio; Absorção de fósforo; Capitão Poço; Pará; Brasil.; Inoculação; Micorriza.; Amazonia; Absorption; Inoculation methods; Legumes; Mycorrhizae; Nitrogen; Organic matter; Phosphorus; Trees.; Soil.
Ano: 1986 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/394731
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