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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
24/05/2018 |
Data da última atualização: |
17/06/2024 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
SOUZA, T. de A.; SILVA, A. F. e; OLIVEIRA, E. P. de; SOUZA, A. M. de; FIGUEIREDO, R. A. C. R.; CAMPECHE, D. F. B.; MELO, J. F. B. |
Afiliação: |
THAIMARA DE ARAÚJO SOUZA, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO; ALTIERY FÉLIX E SILVA, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO; ELOINTON PEREIRA DE OLIVEIRA, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO; ANDERSON MIRANDA DE SOUZA, UNIVERSIDADE FEDERAL DA BAHIA; ROZZANO ANTÔNIO CAVALCANTI REIS FIGUEIREDO, CODEVASF; DANIELA FERRAZ BACCONI CAMPECHE, CPATSA; JOSÉ FERNANDO BIBIANO MELO, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO. |
Título: |
Atividade das enzimas digestivas de tambaqui (Colossoma macropomum) alimentados com dietas contendo diferentes fontes e níveis de carboidratos e concentração de proteínas. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
In: SIMPÓSIO DE PRODUÇÃO ANIMAL DA UFRPE-UAST, 1., 2016, Serra Talhada. Tecnologias de convivência com o Semiárido: inovação e sustentabilidade. Serra Talhada: Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada, 2016. |
Idioma: |
Português |
Conteúdo: |
A manga in natura e o fubá de milho foram avaliados como fonte de carboidratos, em dietas de tambaqui (Colossoma macropomum) uma espécie nativa da bacia dos rios Amazônia e Orinoco, de hábito alimentar onívoro que se adapta facilmente a dieta fornecida. A adição de fontes e níveis de carboidratos vem sendo estudadas para peixes onívoros, pois os níveis de inclusão são adequados para melhorar a eficiência da utilização dos demais nutrientes que compõe a ração. Foram distribuídos 144 juvenis em 24 caixas de PVC com seis tambaquis cada. Foram alimentados com diferentes concentrações de proteínas e fontes e níveis de carboidratos por 47 dias. Ao término da fase experimental, coletou-se o intestino para realizar a análise da atividade das enzimas digestivas. As variações dos nutrientes das dietas influenciaram na atividade das enzimas protease, amilase e lípase dos peixes. |
Palavras-Chave: |
Digestão enzimática. |
Thesagro: |
Colossoma Macropomum; Dieta; Peixe; Piscicultura; Tambaqui. |
Thesaurus Nal: |
Diet; Fish. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/177652/1/dANIELA-2018.pdf
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Marc: |
LEADER 01979nam a2200277 a 4500 001 2091930 005 2024-06-17 008 2016 bl uuuu u00u1 u #d 100 1 $aSOUZA, T. de A. 245 $aAtividade das enzimas digestivas de tambaqui (Colossoma macropomum) alimentados com dietas contendo diferentes fontes e níveis de carboidratos e concentração de proteínas.$h[electronic resource] 260 $aIn: SIMPÓSIO DE PRODUÇÃO ANIMAL DA UFRPE-UAST, 1., 2016, Serra Talhada. Tecnologias de convivência com o Semiárido: inovação e sustentabilidade. Serra Talhada: Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada$c2016 520 $aA manga in natura e o fubá de milho foram avaliados como fonte de carboidratos, em dietas de tambaqui (Colossoma macropomum) uma espécie nativa da bacia dos rios Amazônia e Orinoco, de hábito alimentar onívoro que se adapta facilmente a dieta fornecida. A adição de fontes e níveis de carboidratos vem sendo estudadas para peixes onívoros, pois os níveis de inclusão são adequados para melhorar a eficiência da utilização dos demais nutrientes que compõe a ração. Foram distribuídos 144 juvenis em 24 caixas de PVC com seis tambaquis cada. Foram alimentados com diferentes concentrações de proteínas e fontes e níveis de carboidratos por 47 dias. Ao término da fase experimental, coletou-se o intestino para realizar a análise da atividade das enzimas digestivas. As variações dos nutrientes das dietas influenciaram na atividade das enzimas protease, amilase e lípase dos peixes. 650 $aDiet 650 $aFish 650 $aColossoma Macropomum 650 $aDieta 650 $aPeixe 650 $aPiscicultura 650 $aTambaqui 653 $aDigestão enzimática 700 1 $aSILVA, A. F. e 700 1 $aOLIVEIRA, E. P. de 700 1 $aSOUZA, A. M. de 700 1 $aFIGUEIREDO, R. A. C. R. 700 1 $aCAMPECHE, D. F. B. 700 1 $aMELO, J. F. B
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Embrapa Semiárido (CPATSA) |
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Registro Completo
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
24/01/2011 |
Data da última atualização: |
04/09/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
PARRON, L. M.; BUSTAMANTE, M. M. C.; MARKEWITZ, D. |
Afiliação: |
LUCILIA MARIA PARRON VARGAS, CNPF; Mercedes Maria Cunha Bustamante, UnB; Daniel Markewitz, University of Georgia. |
Título: |
Fluxes of nitrogen and phosphorus in a gallery forest in the Cerrado of central Brazil. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
Biogeochemistry, v. 105, n. 1-3, p. 89-104, 2011. |
DOI: |
10.1007/s10533-010-9537-z |
Idioma: |
Inglês |
Conteúdo: |
The Gallery forests of the Cerrado biome play a critical role in controlling stream chemistry but little information about biogeochemical processes in these ecosystems is available. This work describes the fluxes of N and P in solutions along a topographic gradient in a gallery forest. Three distinct floristic communities were identified along the gradient: a wet community nearest the stream, an upland dry community adjacent to the woodland savanna and an intermediate community between the two. Transects were marked in the three communities for sampling. Fluxes of N from bulk precipitation to these forests resulted in deposition of 12.6 kg ha-1 y-1 of total N of which 8.8 kg ha-1 was as inorganic N. The throughfall flux of total N was generally\8.4 kg ha-1 year-1. Throughfall NO3?N fluxes were higher (7?32%) while NH4?N and organic N fluxes were lower (54?69%and 5?46%) than those in bulk precipitation. The throughfall flux was slightly lower for the wet forest community compared to other communities. Litter leachate fluxes differed among floristic communities with higher NH4?N in the wet community. The total N flux was greater in the wet forest than in the dry forest (13.5 vs. 9.4 kg ha-1 year-1, respectively). The stream water had totalNflux of 0.3 kg ha-1 year-1. The flux of total P through bulk precipitation was 0.7 kg ha-1 year-1 while the mean fluxes of total P in throughfall (0.6 kg ha-1 year-1) and litter leachate (0.5 kg ha-1 year-1) declined but did not differ between communities. The low concentrations presented in soil solution and low fluxes in stream water (0.3 and 0.1 kg ha-1 year-1 for N and P, respectively) relative to other flowpaths emphasize the conservative nutrient cycling of these forests and the importance of internal recycling processes for the maintenance and conservation of riparian and stream ecosystems in the Cerrado. MenosThe Gallery forests of the Cerrado biome play a critical role in controlling stream chemistry but little information about biogeochemical processes in these ecosystems is available. This work describes the fluxes of N and P in solutions along a topographic gradient in a gallery forest. Three distinct floristic communities were identified along the gradient: a wet community nearest the stream, an upland dry community adjacent to the woodland savanna and an intermediate community between the two. Transects were marked in the three communities for sampling. Fluxes of N from bulk precipitation to these forests resulted in deposition of 12.6 kg ha-1 y-1 of total N of which 8.8 kg ha-1 was as inorganic N. The throughfall flux of total N was generally\8.4 kg ha-1 year-1. Throughfall NO3?N fluxes were higher (7?32%) while NH4?N and organic N fluxes were lower (54?69%and 5?46%) than those in bulk precipitation. The throughfall flux was slightly lower for the wet forest community compared to other communities. Litter leachate fluxes differed among floristic communities with higher NH4?N in the wet community. The total N flux was greater in the wet forest than in the dry forest (13.5 vs. 9.4 kg ha-1 year-1, respectively). The stream water had totalNflux of 0.3 kg ha-1 year-1. The flux of total P through bulk precipitation was 0.7 kg ha-1 year-1 while the mean fluxes of total P in throughfall (0.6 kg ha-1 year-1) and litter leachate (0.5 kg ha-1 year-1) declined but did not differ betwe... Mostrar Tudo |
Palavras-Chave: |
Biogeochemical processe; Bulk precipitation; Floresta de galeria; Litter leachate; Processo biogeoquímico; Riparian zone. |
Thesagro: |
Fósforo; Nitrogênio; Solo. |
Thesaurus NAL: |
soil solution; throughfall. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02719naa a2200289 a 4500 001 1874109 005 2019-09-04 008 2011 bl uuuu u00u1 u #d 024 7 $a10.1007/s10533-010-9537-z$2DOI 100 1 $aPARRON, L. M. 245 $aFluxes of nitrogen and phosphorus in a gallery forest in the Cerrado of central Brazil.$h[electronic resource] 260 $c2011 520 $aThe Gallery forests of the Cerrado biome play a critical role in controlling stream chemistry but little information about biogeochemical processes in these ecosystems is available. This work describes the fluxes of N and P in solutions along a topographic gradient in a gallery forest. Three distinct floristic communities were identified along the gradient: a wet community nearest the stream, an upland dry community adjacent to the woodland savanna and an intermediate community between the two. Transects were marked in the three communities for sampling. Fluxes of N from bulk precipitation to these forests resulted in deposition of 12.6 kg ha-1 y-1 of total N of which 8.8 kg ha-1 was as inorganic N. The throughfall flux of total N was generally\8.4 kg ha-1 year-1. Throughfall NO3?N fluxes were higher (7?32%) while NH4?N and organic N fluxes were lower (54?69%and 5?46%) than those in bulk precipitation. The throughfall flux was slightly lower for the wet forest community compared to other communities. Litter leachate fluxes differed among floristic communities with higher NH4?N in the wet community. The total N flux was greater in the wet forest than in the dry forest (13.5 vs. 9.4 kg ha-1 year-1, respectively). The stream water had totalNflux of 0.3 kg ha-1 year-1. The flux of total P through bulk precipitation was 0.7 kg ha-1 year-1 while the mean fluxes of total P in throughfall (0.6 kg ha-1 year-1) and litter leachate (0.5 kg ha-1 year-1) declined but did not differ between communities. The low concentrations presented in soil solution and low fluxes in stream water (0.3 and 0.1 kg ha-1 year-1 for N and P, respectively) relative to other flowpaths emphasize the conservative nutrient cycling of these forests and the importance of internal recycling processes for the maintenance and conservation of riparian and stream ecosystems in the Cerrado. 650 $asoil solution 650 $athroughfall 650 $aFósforo 650 $aNitrogênio 650 $aSolo 653 $aBiogeochemical processe 653 $aBulk precipitation 653 $aFloresta de galeria 653 $aLitter leachate 653 $aProcesso biogeoquímico 653 $aRiparian zone 700 1 $aBUSTAMANTE, M. M. C. 700 1 $aMARKEWITZ, D. 773 $tBiogeochemistry$gv. 105, n. 1-3, p. 89-104, 2011.
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