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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
19/11/2019 |
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Data da última atualização: |
19/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVA, W. de S. e; HISANO, H.; MATTIOLI, C. C.; TORRES, I. F. A.; PAES-LEME, F. de O.; LUZ. R. K. |
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Afiliação: |
WALISSON DE SOUZA E SILVA, UFMG; HAMILTON HISANO, CNPMA; CRISTIANO CAMPOS MATTIOLI, UFMG; ISABELA FERNANDA ARAUJO TORRES, UFMG; FABIOLA DE OLIVEIRA PAES-LEME, UFMG; RONALD KENNEDY LUZ, UFMG. |
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Título: |
Effects of cyclical short-term fasting and refeeding on juvenile Lophiosilurus alexandri, a carnivorous Neotropical catfish. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Aquaculture, v. 505, p. 12-17, 2019. |
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ISSN: |
0044-8486 |
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DOI: |
https://doi.org/10.1016/j.aquaculture.2019.02.047 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The effects of different feeding strategies on the growth rate and hematology of Lophiosilurus alexandri were investigated. An experiment was carried out at the Laboratório de Aquacultura, Universidade Federal Minas Gerais, with nine hundred juvenile L. alexandri (length 4.3 ± 0.3, weight cm 0.9 ± 0.2 g) fed exclusively ex- truded dry diet and kept in fifteen 30-L cultivation tanks in a recirculating aquaculture system. The design was completely randomized with five replicates of each of three feeding treatments: every day of the week (control), six days of the week (F6:1) and five days of the week (F5:2). The following were calculated at the end of the experiment: survival, daily weight gain (DWG), total length (TL), daily feed intake (DFI), feed conversion rate (FCR), specific growth rate (SGR), final body weight (FBW), condition factor (K), protein efficiency ratio (PER), nitrogen retention (NR) and the hepatosomatic index (HSI). Blood samples were taken after 42 days (prior to feed restriction) and at 45 days (after feed restriction of one or two days), and levels of hematocrit, total plasma, hemoglobin, erythrocytes, leukocytes glucose, cholesterol and triglycerides determined. Data were submitted to ANOVA and means compared by the Tukey test (5%). No significant differences were found for survival, FCR, DWG, TL, FBW, K, and SGR. The highest DFI and HSI values were recorded in the control treatment, while PER and NR were highest in the F5.2 treatment. The highest hematocrit values were observed for the control and F6:1 treatments. In all treatments, the values for hematocrit, total protein, leukocytes and glucose were lower after fasting. The highest values for leukocytes were for the control and F6.1 treatments prior to fasting, while after fasting the control treatment was highest. For the F5:2 treatment, the highest value for erythrocytes was after fasting. The highest values for cholesterol were after fasting for all treatments. In conclusion, L. alexandri exhibits compensatory growth in relation to the two short-term food restriction treatments tested. The species adapted to dietary strategies and maintained hematological and biochemical parameters close to those of the control groups when returned to feeding. MenosAbstract: The effects of different feeding strategies on the growth rate and hematology of Lophiosilurus alexandri were investigated. An experiment was carried out at the Laboratório de Aquacultura, Universidade Federal Minas Gerais, with nine hundred juvenile L. alexandri (length 4.3 ± 0.3, weight cm 0.9 ± 0.2 g) fed exclusively ex- truded dry diet and kept in fifteen 30-L cultivation tanks in a recirculating aquaculture system. The design was completely randomized with five replicates of each of three feeding treatments: every day of the week (control), six days of the week (F6:1) and five days of the week (F5:2). The following were calculated at the end of the experiment: survival, daily weight gain (DWG), total length (TL), daily feed intake (DFI), feed conversion rate (FCR), specific growth rate (SGR), final body weight (FBW), condition factor (K), protein efficiency ratio (PER), nitrogen retention (NR) and the hepatosomatic index (HSI). Blood samples were taken after 42 days (prior to feed restriction) and at 45 days (after feed restriction of one or two days), and levels of hematocrit, total plasma, hemoglobin, erythrocytes, leukocytes glucose, cholesterol and triglycerides determined. Data were submitted to ANOVA and means compared by the Tukey test (5%). No significant differences were found for survival, FCR, DWG, TL, FBW, K, and SGR. The highest DFI and HSI values were recorded in the control treatment, while PER and NR were highest in the F5.2 treatment. The high... Mostrar Tudo |
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Palavras-Chave: |
Blood biochemistry; Peixe-gato. |
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Thesagro: |
Hematologia; Nutrição Animal; Peixe de Água Doce; Taxa de Crescimento. |
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Thesaurus Nal: |
Animal nutrition; Aquaculture; Catfish; Compensatory growth; Hematologic tests; Refeeding; Starvation. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 03339naa a2200361 a 4500
001 2114623
005 2019-11-19
008 2019 bl uuuu u00u1 u #d
022 $a0044-8486
024 7 $ahttps://doi.org/10.1016/j.aquaculture.2019.02.047$2DOI
100 1 $aSILVA, W. de S. e
245 $aEffects of cyclical short-term fasting and refeeding on juvenile Lophiosilurus alexandri, a carnivorous Neotropical catfish.$h[electronic resource]
260 $c2019
520 $aAbstract: The effects of different feeding strategies on the growth rate and hematology of Lophiosilurus alexandri were investigated. An experiment was carried out at the Laboratório de Aquacultura, Universidade Federal Minas Gerais, with nine hundred juvenile L. alexandri (length 4.3 ± 0.3, weight cm 0.9 ± 0.2 g) fed exclusively ex- truded dry diet and kept in fifteen 30-L cultivation tanks in a recirculating aquaculture system. The design was completely randomized with five replicates of each of three feeding treatments: every day of the week (control), six days of the week (F6:1) and five days of the week (F5:2). The following were calculated at the end of the experiment: survival, daily weight gain (DWG), total length (TL), daily feed intake (DFI), feed conversion rate (FCR), specific growth rate (SGR), final body weight (FBW), condition factor (K), protein efficiency ratio (PER), nitrogen retention (NR) and the hepatosomatic index (HSI). Blood samples were taken after 42 days (prior to feed restriction) and at 45 days (after feed restriction of one or two days), and levels of hematocrit, total plasma, hemoglobin, erythrocytes, leukocytes glucose, cholesterol and triglycerides determined. Data were submitted to ANOVA and means compared by the Tukey test (5%). No significant differences were found for survival, FCR, DWG, TL, FBW, K, and SGR. The highest DFI and HSI values were recorded in the control treatment, while PER and NR were highest in the F5.2 treatment. The highest hematocrit values were observed for the control and F6:1 treatments. In all treatments, the values for hematocrit, total protein, leukocytes and glucose were lower after fasting. The highest values for leukocytes were for the control and F6.1 treatments prior to fasting, while after fasting the control treatment was highest. For the F5:2 treatment, the highest value for erythrocytes was after fasting. The highest values for cholesterol were after fasting for all treatments. In conclusion, L. alexandri exhibits compensatory growth in relation to the two short-term food restriction treatments tested. The species adapted to dietary strategies and maintained hematological and biochemical parameters close to those of the control groups when returned to feeding.
650 $aAnimal nutrition
650 $aAquaculture
650 $aCatfish
650 $aCompensatory growth
650 $aHematologic tests
650 $aRefeeding
650 $aStarvation
650 $aHematologia
650 $aNutrição Animal
650 $aPeixe de Água Doce
650 $aTaxa de Crescimento
653 $aBlood biochemistry
653 $aPeixe-gato
700 1 $aHISANO, H.
700 1 $aMATTIOLI, C. C.
700 1 $aTORRES, I. F. A.
700 1 $aPAES-LEME, F. de O.
700 1 $aLUZ. R. K.
773 $tAquaculture$gv. 505, p. 12-17, 2019.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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| Registros recuperados : 8 | |
| 2. |  | HUNGRIA, M.; CAMPO, R. J.; MENDES, I. C.; VARGAS, M. A. T.; ARAUJO, R. S.; KURIHARA, C.; MAEDA, S.; SA, E. S.; CATTELAN, A. J. Ensaios em rede nacional para avaliar o efeito da reinoculacao da soja. In: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 28., 2001, Londrina. Ciencia do solo: fator de produtividade e competitividade com sustentabilidade. Londrina: Sociedade Brasileira de Ciencia do Solo, 2001. p.82.| Biblioteca(s): Embrapa Soja. |
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| 3. | | SÁ, E. S. dos S. C. G. de; SOUZA JÚNIOR, V. S. de; SILVA, A. H. N. da; SOUSA, J. E. S. de; ARAUJO FILHO, J. C. de. Pedogenesis in a semi-arid wetland. In: WORLD CONGRESS OF SOIL SCIENCE, 21., 2018, Rio de Janeiro. Soil science: beyond food and fuel: proceedings... Viçosa, MG: SBCS, 2019. v. 2, p. 48. WCSS 2018.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 4. | | OLIVEIRA, A. M. R.; FREIRE, J. R. J.; BANGEL, E. V.; MEYER, J. V.; VARGAS, L. K; SILVA, G.; HUNGRIA, M.; SÁ, E. S.; SELBACH, P. A. Diversidade genética de rizóbios da coleção de culturas semia determinada através da análise do 16S rRNA E 16S-23S rRNA. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 22., 2003, Florianópolis. [Resumos]. Florianópolis: Sociedade Brasileira de Microbiologia, 2003. 1 CD-ROM. Seção: Microbiologia de Solos.| Biblioteca(s): Embrapa Soja. |
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| 5. | | HUNGRIA, M.; VARGAS, M. A. T.; ARAUJO, R. S.; KURIHARA, C.; MAEDA, S.; SA, E. S.; CAMPO, R. J.; CATTELAN, A. J.; MENDES, I. C.; OLIVEIRA, M. C. N. Brazilian trials to evaluate effects of soybean reinoculation. In: INTERNATIONAL CONGRESS ON NITROGEN FIXATION, 12., 1999, Foz do Iguacu, PR. Book of abstracts. p. 87.| Biblioteca(s): Embrapa Cerrados. |
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| 6. | | HUNGRIA, M.; VARGAS, M. A. T.; ARAUJO, R. S.; KURIHARA, C.; MAEDA, S.; SA, E. S.; CAMPO, R. J.; CATTELAN, A. J.; MENDES, I. C.; OLIVEIRA, M. C. N. Brazilian trials to evaluate the effects of soybean reinoculation. In: INTERNATIONAL CONGRESS ON NITROGEN FIXATION, 12., 1999, Foz do Iguacu. Nitrogen fixation: from molecules to crop productivity - proceedings. Dordrechet: Kluwer, 2000. p.549. (Current Plant Science and Biotechnology in Agriculture, v.38). Editado por Fabio O. Pedrosa, Mariangela Hungria, Geoffrey Yates, William E. Newton.| Biblioteca(s): Embrapa Cerrados. |
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| 7. | | HUNGRIA, M.; VARGAS, M. A. T.; ARAUJO, R. S.; KURIHARA, C.; MAEDA, S.; SA, E. S.; CAMPO, R. J.; CATTELAN, A. J.; MENDES, I. C.; OLIVEIRA, M. C. N. Brazilian trials to evaluate the effects of soybean reinoculation. In: INTERNATIONAL CONGRESS ON NITROGEN FIXATION, 12., 1999, Foz do Iguacu. Nitrogen fixation: from molecules to crop productivity: proceedings. Dordrecht: Kluwer, 2000. p.549. Editado por Fabio O. Pedrosa, Mariangela Hungria, Geoffrey Yates, William E. Newton.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Arroz e Feijão; Embrapa Soja. |
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| 8. | | OLIVEIRA, A. M. R. de; FREIRE, J. R. J.; BANGEL, E. V.; MEYER, J. V.; SANTOS, K. da C. dos; SILVA, G. da; HUNGRIA, M.; SÁ, E. S. de; SELBACH, P. Caracterização genética de rizóbios da Coleção de Culturas SEMIA. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 25.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 9.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 7.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 4., 2002, Rio de Janeiro. Fertbio 2002: agricultura: bases ecológicas para o desenvolvimento social e econômico sustentado. Rio de Janeiro, 2002. p. 52-53. Guia do congressista e em CD-ROM.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 8 | |
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