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Absorption and metabolism of volatile fatty acids by rumen and omasum Ciência e Agrotecnologia
Daniel,João Luiz Pratti; Resende Júnior,João Chrysostomo de.
Volatile fatty acids (VFA) absorption and metabolic capacity of rumen and omasum were compared, in vitro. Fragments of rumen wall and omasum laminae were taken from eight adult crossbred bovines. An isolated fragment of the mucosa was fitted in a tissue diffusion chamber. Valeric acid and CrEDTA were added to ruminal fluid and placed on the mucosal side and buffer solution was placed on the serosal side. Fractional absorption rates were measured by exponential VFA:Cr ratio decay over time. Metabolism rate was determined as the difference between VFA absorbed and VFA which appeared on the serosal side over time. Mitotic index was higher in omasum (0.52%) than in rumen epithelium (0.28%). VFA fractional absorption rate was higher in omasum (4.6%/h.cm²) than...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Morphology; Physiology; Bovine; Ussing chamber; Forestomach.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000100012
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Activité respiratoire en continu de l'huître Crassostrea gigas : mise au point d'une nouvelle méthodologie ArchiMer
Bougrier, Serge; Geairon, Philippe.
A continuous monitoring system to measure the respiration of Crassostrea gigas has been developped. The metabolic function estimated by oxygen consumption has been monitored during periods of 24 h, without food, at a temperature constant of 15°C. Preliminary results showed that the mean percentage of oyster activities was 50 % with a high variability from 0 to 100 %. The number of activity periods per day (24 h) is function of the oysters with variation between 0 and 7.
Tipo: Text Palavras-chave: Physiology; Respiration; Crassostrea gigas; Oysters; Physiologie; Respiration; Crassostrea gigas; Huîtres.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/1991/acte-3046.pdf
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An external tag for fish: tagging effects in different fish size classes and its influence on growth performance and hematology of Lophiosilurus alexandri (Siluriformes: Pseudopimelodidae) Neotropical Ichthyology
Boaventura,Túlio P.; Gil,Viviane S. B.; Gil,Camila S. B.; Peres,Anderson M.; Luz,Ronald K..
ABSTRACT This study tested an external tag for juveniles of Lophiosilurus alexandri and measured the effects of tagging in different size classes of fishes. Experiment 1 evaluated the retention rate and influence of the tag on survival and growth of three hundred fishes divided Small, Medium and Large size classes. After 90 days of experiment the fishes had 100% survival and the tag had a higher retention rate for animals of the Large size class. Experiment 2 evaluated the tag’s influence on hematology parameters of forty-two fishes at 5, 10 and 30 days post-tagging. In this experiment both tagged and untagged animals experienced 9.4% mortality. The hematocrit was higher on the 30th day for tagged animals than for untagged animals. No difference was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Catfish; Identification; Pacamã; Physiology; Repopulation; Retention.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252019000100214
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An update on the physiology of two- and three-toed sloths BJMBR
Gilmore,D.P.; Da-Costa,C.P.; Duarte,D.P.F..
Physiological and pharmacological research undertaken on sloths during the past 30 years is comprehensively reviewed. This includes the numerous studies carried out upon the respiratory and cardiovascular systems, anesthesia, blood chemistry, neuromuscular responses, the brain and spinal cord, vision, sleeping and waking, water balance and kidney function and reproduction. Similarities and differences between the physiology of sloths and that of other mammals are discussed in detail.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Xenarthra; Sloths; Bradypus; Choloepus; Physiology.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000000200001
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Analyse genetique et physiologique des interactions hote-parasite: le systeme prosorhynchus squamatus - Mytilus ArchiMer
Coustau, Christine.
Tipo: Text Palavras-chave: Mytilidae; Prosorhynchus squatamus; Host oreferences; Population genetics; Physiology; Parasitic diseases; Mytilus.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/1991/these-1571.pdf
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Are experienced and high-level race walking athletes able to match pre-programmed with executed pacing? BJMBR
Alves,D.L.; Cruz,R.; Lima-Silva,A.E.; Domingos,P.R.; Bertuzzi,R.; Osiecki,R.; De-Oliveira,F.R.; Lima,J.R.P..
The objective of this study was to verify the agreement between pre-programmed and executed pacing during race walking and whether level of the athletes experience and performance influenced this relationship. Twenty-nine national and international race walkers participated in this study (14 males, 24.0±7.1 years old, and 15 females, 23.3±7.3 years old). Pre-programmed pacing for 10- and 20-km official walking races was self-selected via demonstrative pacing charts prior to races, while executed pacing was analyzed by a specialist investigator via an individual plot of current velocity versus distance. There was no agreement between pre-programmed and executed pacing (P=0.674). There was no association between the ability to match the pre-programmed pace...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aerobic evaluation; Performance; Sport; Elite athlete; Physiology.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2019000600608
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Armazenamento de sementes de caupi em regiões fisiográficas do Estado do Pará. Infoteca-e
FIGUEIRÊDO, F. J. C.; FRAZÃO, D. A. C.; OLIVEIRA, R. P. de; CORRÊA, J. R. V..
bitstream/item/33789/1/CPATU-CirTec30.pdf
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Caupi; Armazenagem; IPEAN-v-69; Capitao-Poco; Alenquer; Altamira; Belem; Braganca; Pará; Brasil; Cowpea; Seed; Vigour; Package; Quality.; Embalagem; Fisiologia; Germinação; Qualidade; Semente; Vigna Unguiculata.; Amazonia; Germination; Physiology; Storage; Vigor..
Ano: 1982 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/381807
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Aspectos fisiologicos da mangueira sob condicoes irrigadas Infoteca-e
CASTRO NETO, M. T..
Devido a escassez de dados tecnicos sobre a cultura da manga para a regiao do Submedio Sao Francisco, recomendacoes tecnicas sobre o comportamento fisiologico desta cultura, seriam inapropriadas. Portanto, baseando-se em nossa experiencia e em trabalhos cientificos de outros pesquisadores, o presente trabalho apresenta uma noção geral sobre a fisiologia da manga, com algumas sugestões para a melhoria da produtividade.
Tipo: Capítulo em livro técnico (INFOTECA-E) Palavras-chave: Mangueira.; Fisiologia; Manga; Mangifera Indica; Physiology; Physiology; Mangoes..
Ano: 1995 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/131693
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Ata e resumos. Infoteca-e
REUNIAO DE PESQUISA DE SOJA DA REGIAO SUL, 12., 1984, Pelotas..
Sessao de abertura; Sessao de encerramento; Comissao de genetica e melhoramento; Ecologia, fisiologia e praticas culturais; Entomologia; Nutricao vegetal e uso do solo; Tecnologia e producao de sementes/fitopatologia; Controle de plantas daninhas; Relacao dos participantes.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Planta daninha; Congresso; Brasil; Regiao Sul; Soybean; Weed; Seed; Disease; Insect; Cultural practice; Congress; South region.; Doença; Fisiologia; Inseto; Melhoramento; Pesquisa; Pratica Cultural; Semente; Soja.; Brazil; Breeding; Research.; Physiology.
Ano: 1985 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/450568
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Avaliacao de alguns fatores do meio que influenciam a adaptacao, o comportamento fisiologico e o desempenho de bovinos da raca Sindhi, nas condicoes ambientais do semi-arido brasileiro: relatorio parcial das atividades referentes ao periodo de 01/09/97 a 01/07/98. Infoteca-e
TURCO, S. H. N..
Este experimento esta sendo conduzido, no campo experimental da caatinga, Embrapa Semi-Arido, localizado no municipio de Petrolina-PE, regiao semi-arida do Nordeste brasileiro. Estao sendo utilizados 22 animais, da raca Sindhi, sendo dez femeas e doze machos, com idade variando de 1 a 4 anos. O manejo para todas as categorias animais e o mesmo utilizado pelo sistema de producao Embrapa Semi-Arido, onde sao manejadas, todo o periodo do experimento, em pastagem nativa (caatinga), durante dois a quatro meses e em pastagem cultivada (capim buffel), durante o restante do ano. As informacoes basicas para este trabalho foram: a) variaveis fisiologicas: temperatura retal (TR); temperatura da pele (TP); frequencia respiratoria (FR); b) variaveis anatomicas:...
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Rca Sindhi; Comportamento fisiologico; Adaptacao; Desempenho; Semi-Arido; Bovine; Behaviour; Adaptation; Bovino; Performance; Breeds; Cattle; Physiology.
Ano: 1998 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/133625
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Balneola vulgaris gen. nov., sp nov., a member of the phylum Bacteroidetes from the north-western Mediterranean Sea ArchiMer
Urios, Laurent; Agogue, Hélène; Lesongeur, Francoise; Stackebrandt, Erko; Lebaron, Philippe.
A novel aerobic, Gram-negative bacterium, named 13IX/A01/164(T), was isolated from surface waters in the coastal north-western Mediterranean Sea. Cells were motile, straight rods, 2-5 mu m long and 0-2 mu m wide, and formed orange colonies on marine agar medium. The G+C content of the genomic DNA of strain 13IX/A01/164T was 42 mol%. Phylogenetic analysis of the 16S rRNA gene sequence placed the strain in the phylum Bacteroidetes within the family Crenotrichaceae. On the basis of 16S rRNA gene sequence comparison and physiological and biochemical characteristics, this isolate represents a novel species of a new genus, for which the name Balneola vulgaris gen. nov., sp. nov. is proposed. The type strain of Balneola vulgaris is 13IX/A01/164T (=DSM 17893T=CIP...
Tipo: Text Palavras-chave: Mediterranean sea; Coastal waters; Microbiology; Physiology; Biochemistry; Gene sequence; Balneola vulgaris.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-2126.pdf
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Bases génétiques des caractères physiologiques impliqués dans la croissance chez l'huître creuse Crassostrea gigas (Thunberg) ArchiMer
Collet, Bertrand.
Growth is a very important trait in the oyster Crassoslrea gigas both from an economical and scientific point of view. Many questions remain unanswerable or are still discussed . From a hatchery-based population, the constancy in time of growth performances From larval to adult stage was studied. The influence of physiological parameters (energy acquisit ion and expenditure) and parentage on growth was estimated. ln the literature, the relationship between larval growth and post-Iarval growth is debated . Our study shows that the larval growth is positively correlated with the post-Iarval growth. This result validates the hatchery practices consisting in culling the small larvae. The growth performances are stable over the time and show no compensation....
Tipo: Text Palavras-chave: Crassostrea gigas; Croissance; Physiologie; Analyse de parenté; Microsatellite DNA; Crassostrea gigas; Growth; Physiology; Parentage analysis; Microsatellite DNA.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00108/21939/19532.pdf
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Bilan énergétique chez les mollusques bivalves : terminologie et méthodologie - Compte rendu du groupe de travail réuni au laboratoire national "Ecosystème conchylicole" de l'IFREMER La Tremblade (13 et 14 septembre 1984) ArchiMer
Heral, Maurice; Lucas, Albert; Deslous Paoli, Jean-marc; Goulletquer, Philippe; Masse, Henri; LABEIM (Laboratoire de Biologie et d'Ecologie des Invertébrés Marins).
En septembre 1984, MM. HERAL et DESLOUS-PAOLI organisèrent à La Tremblade, une "réunion méthodologie expérimentale mollusques". Cette rencontre faisait suite à un bref état qui s'était engagé au Congrès de Montpellier sur les "Bases biologiques de l'Aquaculture", où il était apparu que la terminologie et la méthodologie concernant le métabolisme des bivalves devaient être clarifiées. Grâce à une large information auprès des spécialistes français de la physiologie des bivalves, la réunion à La Tremblade a réuni un grand nombre de participants très motivés. Pendant 2 jours des discussions très animées ont permis de bien comprendre les échanges entre les bivalves et leur environnement et d'y jeter un regard neuf, ce qui impliquait une analyse critique du...
Tipo: Text Palavras-chave: Terminologie; Méthodologie; Bilan d'énergie; Physiologie; Bivalve; Terminology; Methodology; Energy budget; Physiology; Bivalve molluscs.
Ano: 1987 URL: http://archimer.ifremer.fr/doc/00014/12562/9432.pdf
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Biological, physiological, immunological and nutritional assessment of farm-reared Litopenaeus stylirostris shrimp affected or unaffected by vibriosis ArchiMer
Mugnier, Chantal; Justou, Carole; Lemonnier, Hugues; Patrois, Jacques; Ansquer, Dominique; Goarant, Cyrille; Le Coz, Jean-rene.
Shrimp aquaculture in New Caledonia is subject to seasonal mortalities during grow-out due to highly virulent Vibrio nigripulchritudo (Vn). To understand the mechanisms affecting shrimp resistance and leading to significant mortality, a shrimp ecophysiology and immunology survey was conducted on two farms, the first considered as a "control" farm (HC), the second affected by the disease (DF). Mortality observed during the survey at DF started 50 days after stocking and was typical of this disease. The main observations regarding shrimp were: (a) growth was not affected by the disease and was faster in the DF than in the HC pond; (b) disease did not affect one sex more than the other, or a specific part of the population in terms of weight; (c) the physical...
Tipo: Text Palavras-chave: Vibriosis; Penaeid shrimp; Field survey; Physiology; Immunology; Nutritional status.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00176/28764/27567.pdf
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Biomass distribution and physiological capabilities of bacteria in the water column above a sea grass system. ArchiMer
Velimirov, B; Herndl, G; Kavka, G.
The distribution pattern of bacteria in the water column above and within a Posidonia oceanica bed near Ischia (off the Gulf of Naples) was investigated and correlated with DOC and POM data for autumn and winter. Data from samples of 5 stations along a transect from shallow to deep showed rather low bacterial densities (10 super(4).ml super(-1)) for both seasons. The number of attached bacteria was higher in late winter as compared to autumn when the leaves are shed from the stands. Except for occasional peaks DOC ranged between 1.5 and 4.5 mg C/1 while POM concentrations ranged form 4 to 14 mg AFDW.1 super(-1). Hydrolytic capabilities of isolated bacterial colonies showed that more carbohydrate substrates could be fermented in winter as compared to...
Tipo: Text Palavras-chave: Posidonia oceanica; Microorganisms; Physiology; Seasonal distribution; Algae; Bacteria; Particulate organic matter; Metabolism; Water column; Fermentation; Sea grass.
Ano: 1984 URL: http://archimer.ifremer.fr/doc/1984/acte-954.pdf
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Characteristics of a β-1,4-D endoglucanase from Trichoderma virens wholly applied in a palm-fruit husk-based diet for poultry layers BJM
Odeniyi,Olubusola A.; Onilude,Anthony A.; Ayodele,Maria A..
The characteristics of an endoglucanase produced by a Trichoderma virens strain T9 newly isolated from a palm-fruit husk dump site, its physiological characteristics and enzyme production were studied. Whole cells of the depolymerizing-enzyme producing T. virens were applied to palm-fruit husk and bird performance characteristics when employed as poultry diet additive were considered. Endoglucanase activity in submerged fermentation was 1.6 nkat. Optimum activity was recorded at pH 6.0 and 55ºC. The enzyme retained 50% residual glucanase activity at 70ºC for 10 minutes. 1.0% Tween-80 and SDS yielded endoglucanase activity 2.15 times higher than the control. Activity wasboosted by 20mM Ca2+ (115.0%); 10mM K+ (106.5%); and was totally inhibited by 1mM Hg2+....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Trichoderma virens; Endoglucanase; Physiology; Poultry layer feed.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000400031
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CHLOROPHYLL FLUORESCENCE IN Brachiaria decumbens AND Brachiaria ruziziensis SUBMITTED TO HERBICIDES Planta Daninha
SILVEIRA,R.R.; SANTOS,M.V.; FERREIRA,E.A.; SANTOS,J.B.; SILVA,L.D..
ABSTRACT Different doses of herbicides can promote a differentiated physiological response in grasses of the same genus. This study has been proposed in order to evaluate physiological responses of B. ruziziensis and B. decumbens submitted to glyphosate and fluazifop-p-butyl. Treatments were distributed in a 2 x 6 factorial design with five repetitions, being two grasses: B. decumbens cv. Basilisk and B. ruziziensis with six doses of herbicides: 0.00; 0.25; 0.50; 1.00; 1.5 and 2.00 times the commercial dose recommended by manufacturers. At 7, 15, 21, and 30 days after herbicide application (DAA) chlorophyll luminous energy uptake efficiency was evaluated. Plants subjected to glyphosate at 7 days after application (DAA) showed minimum fluorescence of 270...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Physiology; Fluazifop-p-butyl; Glyphosate; Electron transport rate; Urochloa.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582017000100248
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Comportamento hídrico da pimenta-do-reino (Piper nigrum L.). Infoteca-e
MORAES, V. H. F.; BASTOS, T. X..
bitstream/item/146480/1/HIDRICO-PIMENTA-DO-REINO.pdf
Tipo: Séries anteriores (INFOTECA-E) Palavras-chave: Pimenta-do-reino.; Água; Fisiologia; Solo.; Black pepper; Physiology; Soil; Water..
Ano: 1972 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/376106
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Comportamento hídrico de Vouacapoua americana Aubl (acapu) e Licania macrophylla Benth (anoerá), nas condições de mata amazônica de terra firme. Infoteca-e
MORAES, V. H. F..
bitstream/item/146482/1/BOTANICA-FISIOLOGIAVEGETAL.pdf
Tipo: Séries anteriores (INFOTECA-E) Palavras-chave: Anoera; Licania macrophylla; Brasil; Specie; Forest; Growth.; Acapu; Água; Crescimento; Espécie; Fisiologia; Floresta; Vouacapoua Americana.; Amazonia; Physiology; Water..
Ano: 1970 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/376101
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Conservação de sementes de caupi. Infoteca-e
FIGUEIRÊDO, F. J. C.; FRAZÃO, D. A. C.; OLIVEIRA, R. P. de; CARVALHO, J. E. U. de.
bitstream/item/33796/1/CPATU-CirTec31.pdf
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Caupi; Armazenagem; IPEAN-V-69; Campo Experimental de Tracuateua; Pará; Brasil; Cowpea; Seed; Conservation; Vigour; Quality; Package.; Conservação; Embalagem; Fisiologia; Germinação; Qualidade; Semente; Vigna Unguiculata.; Amazonia; Germination; Physiology; Storage; Vigor..
Ano: 1982 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/381808
Registros recuperados: 120
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