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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
20/10/2020 |
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Data da última atualização: |
20/10/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUSA, R. M.; SILVA, R. R. dos S.; SANTOS, A. S. dos; SILVA, C. V. da; MAGALHAES, J. A.; FOGACA, F. H. dos S.; LOPES, J. M. |
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Afiliação: |
Rebeca Maria Sousa, Universidade Federal de Mato Grosso do Sul; Romério Rodrigues dos Santos Silva, Universidade Federal do Maranhão; Anália Sousa dos Santos, Universidade Federal do Maranhão; Camila Viera da Silva, Universidade Federal do Maranhão; JOAO AVELAR MAGALHAES, CPAMN; FABIOLA HELENA DOS SANTOS FOGACA, CTAA; Jane Mello Lopes, Universidade Federal do Maranhão. |
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Título: |
Tambatinga juveniles performance in a recirculation aquaculture system with different stocking densities. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Research, Society and Development, v. 9, n. 5, e178953317, 2020. |
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ISSN: |
2525-3409 |
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DOI: |
10.33448/rsd-v9i5.3317 |
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Idioma: |
Inglês |
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Conteúdo: |
In a quantitative field research, the objective of this work was to determine the best stocking density for tambatinga juveniles (Colossoma macropomum × Piaractus brachypomus) in a recirculation system during 50 days of cultivation. Tambatinga juveniles (0.72±0.02 g) were distributed in 0.08 m3 polyethylene boxes with densities of 5, 10 and 15 fish/box, with five replicates per treatment. During the experimental period, water quality, weight gain, apparent feed conversion, specific growth rate, carcass yield, proximate composition and final survival were evaluated. The water parameters remained stable and in the desired range for the species during the experimental period (temperature 25±1.52° C, pH 5.85±0.7 and dissolved oxygen 6.51±0.05 mg L-1). Statistical analyzes showed no significant difference for apparent feed conversion and survival rate. The lowest stocking density (5 fish/box) showed greater weight gain and specific growth rate, while the density of 10 fish/box showed high lipid deposition in the carcass. Aiming at greater weight gain and better specific growth rate, the results indicated that the density of 5 fish/box (0.08 m3), is the most suitable for juveniles of this species. |
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Thesagro: |
Estocagem; Ganho de Peso; Taxa de Crescimento. |
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Thesaurus Nal: |
Specific growth rate; Stocking rate; Weight gain. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/216845/1/DesempenhoJuvenisTambatingaRSD2020.pdf
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Marc: |
LEADER 02089naa a2200289 a 4500
001 2125686
005 2020-10-20
008 2020 bl uuuu u00u1 u #d
022 $a2525-3409
024 7 $a10.33448/rsd-v9i5.3317$2DOI
100 1 $aSOUSA, R. M.
245 $aTambatinga juveniles performance in a recirculation aquaculture system with different stocking densities.$h[electronic resource]
260 $c2020
520 $aIn a quantitative field research, the objective of this work was to determine the best stocking density for tambatinga juveniles (Colossoma macropomum × Piaractus brachypomus) in a recirculation system during 50 days of cultivation. Tambatinga juveniles (0.72±0.02 g) were distributed in 0.08 m3 polyethylene boxes with densities of 5, 10 and 15 fish/box, with five replicates per treatment. During the experimental period, water quality, weight gain, apparent feed conversion, specific growth rate, carcass yield, proximate composition and final survival were evaluated. The water parameters remained stable and in the desired range for the species during the experimental period (temperature 25±1.52° C, pH 5.85±0.7 and dissolved oxygen 6.51±0.05 mg L-1). Statistical analyzes showed no significant difference for apparent feed conversion and survival rate. The lowest stocking density (5 fish/box) showed greater weight gain and specific growth rate, while the density of 10 fish/box showed high lipid deposition in the carcass. Aiming at greater weight gain and better specific growth rate, the results indicated that the density of 5 fish/box (0.08 m3), is the most suitable for juveniles of this species.
650 $aSpecific growth rate
650 $aStocking rate
650 $aWeight gain
650 $aEstocagem
650 $aGanho de Peso
650 $aTaxa de Crescimento
700 1 $aSILVA, R. R. dos S.
700 1 $aSANTOS, A. S. dos
700 1 $aSILVA, C. V. da
700 1 $aMAGALHAES, J. A.
700 1 $aFOGACA, F. H. dos S.
700 1 $aLOPES, J. M.
773 $tResearch, Society and Development$gv. 9, n. 5, e178953317, 2020.
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
23/05/2019 |
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Data da última atualização: |
25/10/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
SANCHES, A. C.; SOUZA, D. P. de; JESUS, F. L. F. de; MENDONÇA, F. C.; GOMES, E. P.; PEZZOPANE, J. R. M. |
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Afiliação: |
Arthur Carniato Sanches, UFGD; Débora Pantojo de Souza, ESALQ; Fernanda Lamede Ferreira de Jesus, IFMS; Fernando Campos Mendonça, ESALQ; Eder Pereira Gomes, UFGD; JOSE RICARDO MACEDO PEZZOPANE, CPPSE. |
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Título: |
Comparison of water consumption estimates for tropical and winter forages by FDR probes and weighing lysimeters. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Semina: Ciências Agrárias, Londrina, v.40, n.3, p.1115-1126, maio/jun. 2019. |
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DOI: |
10.5433/1679-0359.2019v40n3p1115 |
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Idioma: |
Inglês |
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Conteúdo: |
Soil moisture determination is essential for a good use of available water resources. In this regard, the use of frequency domain reflectometry (FDR) probes has as advantages mobility and practicality in relation to lysimeters. The experiment was carried out between April and June 2016 at the Luiz de Queiroz College of Agriculture (ESALQ/USP), located in Piracicaba, SP at the geographical coordinates 22°42?14.6? S and 47°37?24.1? W and altitude of 546 m. This study aimed to assess these FDR probes to estimate water consumption in comparison to measurements by weighing lysimeters (ETcLys) and reference evapotranspiration (ETo) in Mombaça and Bermuda grass pastures under single cultivation and overseeded with oat and ryegrass. Soil moisture was assessed daily by FDR probes by estimating crop evapotranspiration (ETcFDR probe) from soil water balance calculation, which was correlated with ETcLys and ETo (Penman-Monteith, FAO 56). For all treatments, FDR probes presented the highest water consumptions when compared to the other two evapotranspiration methods, with accumulations of 126.5 and 125.6 mm for single and overseeded Mombaça grass, respectively. For Bermuda grass, water consumption was 123.4 mm in the single cultivation and 128.5 mm when overseeded. The method of estimating evapotranspiration by FDR probes showed good correlations with ETo and ETcLys. |
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Palavras-Chave: |
Sonda capacitiva. |
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Thesagro: |
Avena Strigosa; Evapotranspiração; Lolium Multiflorum; Umidade do Solo. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/197684/1/ComparisonWaterConsumption.pdf
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Marc: |
LEADER 02204naa a2200253 a 4500
001 2109259
005 2019-10-25
008 2019 bl uuuu u00u1 u #d
024 7 $a10.5433/1679-0359.2019v40n3p1115$2DOI
100 1 $aSANCHES, A. C.
245 $aComparison of water consumption estimates for tropical and winter forages by FDR probes and weighing lysimeters.$h[electronic resource]
260 $c2019
520 $aSoil moisture determination is essential for a good use of available water resources. In this regard, the use of frequency domain reflectometry (FDR) probes has as advantages mobility and practicality in relation to lysimeters. The experiment was carried out between April and June 2016 at the Luiz de Queiroz College of Agriculture (ESALQ/USP), located in Piracicaba, SP at the geographical coordinates 22°42?14.6? S and 47°37?24.1? W and altitude of 546 m. This study aimed to assess these FDR probes to estimate water consumption in comparison to measurements by weighing lysimeters (ETcLys) and reference evapotranspiration (ETo) in Mombaça and Bermuda grass pastures under single cultivation and overseeded with oat and ryegrass. Soil moisture was assessed daily by FDR probes by estimating crop evapotranspiration (ETcFDR probe) from soil water balance calculation, which was correlated with ETcLys and ETo (Penman-Monteith, FAO 56). For all treatments, FDR probes presented the highest water consumptions when compared to the other two evapotranspiration methods, with accumulations of 126.5 and 125.6 mm for single and overseeded Mombaça grass, respectively. For Bermuda grass, water consumption was 123.4 mm in the single cultivation and 128.5 mm when overseeded. The method of estimating evapotranspiration by FDR probes showed good correlations with ETo and ETcLys.
650 $aAvena Strigosa
650 $aEvapotranspiração
650 $aLolium Multiflorum
650 $aUmidade do Solo
653 $aSonda capacitiva
700 1 $aSOUZA, D. P. de
700 1 $aJESUS, F. L. F. de
700 1 $aMENDONÇA, F. C.
700 1 $aGOMES, E. P.
700 1 $aPEZZOPANE, J. R. M.
773 $tSemina: Ciências Agrárias, Londrina$gv.40, n.3, p.1115-1126, maio/jun. 2019.
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Embrapa Pecuária Sudeste (CPPSE) |
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