| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Meio-Norte. |
|
Data corrente: |
20/10/2020 |
|
Data da última atualização: |
20/10/2020 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
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. |
|
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. |
|
Título: |
Tambatinga juveniles performance in a recirculation aquaculture system with different stocking densities. |
|
Ano de publicação: |
2020 |
|
Fonte/Imprenta: |
Research, Society and Development, v. 9, n. 5, e178953317, 2020. |
|
ISSN: |
2525-3409 |
|
DOI: |
10.33448/rsd-v9i5.3317 |
|
Idioma: |
Inglês |
|
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. |
|
Thesagro: |
Estocagem; Ganho de Peso; Taxa de Crescimento. |
|
Thesaurus Nal: |
Specific growth rate; Stocking rate; Weight gain. |
|
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/216845/1/DesempenhoJuvenisTambatingaRSD2020.pdf
|
|
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.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Meio-Norte (CPAMN) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
Registro Completo
|
Biblioteca(s): |
Embrapa Florestas; Embrapa Unidades Centrais. |
|
Data corrente: |
24/08/2012 |
|
Data da última atualização: |
20/02/2015 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 2 |
|
Autoria: |
NICKELE, M. A.; REIS FILHO, W.; OLIVEIRA, E. B. de; IEDE, E. T.; CALDATO, N.; STRAPASON, P. |
|
Afiliação: |
MARIANE APARECIDA NICKELE, UFPR; WILSON REIS FILHO, EMBRAPA FLORESTAS; EDILSON BATISTA DE OLIVEIRA, CNPF; EDSON TADEU IEDE, CNPF; NÁDIA CALDATO, Faculdade de Ciências Agronômicas de Botucatu; PRISCILA STRAPASON, UFPR. |
|
Título: |
Leaf-cutting ant attack in initial pine plantations and growth of defoliated plants. |
|
Ano de publicação: |
2012 |
|
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, v. 47, n. 7, p. 892-899, jul. 2012. |
|
Idioma: |
Inglês |
|
Conteúdo: |
The objective of this work was to evaluate the natural attack by Acromyrmex crassispinus in initial Pinus taeda plantations without control measures against ants, as well as the effect of defoliation in seedlings of P. taeda. Evaluations of the attack of leaf?cutting ants on P. taeda plantations were done monthly in the first six months, then 9 and 12 months after planting. The percentages of plants that were naturally attacked by ants were registered. The effect of defoliation was evaluated by artificial defoliation, simulating the natural patterns of attack by A. crassispinus on P. taeda seedlings. The natural attack of A. crassispinus was greater during the first months after planting, being more intense in the first 30 days. Artificial defoliation indicated that there were no significant losses in diameter and height in plants with less than 75% defoliation. However, there were significant losses in diameter and height in plants with 100% defoliation, independently of the cut of the apical meristem, and also plant death. The control of leaf?cutting ants in P. taeda plantings, in which A. crassispinus is the most frequent leaf?cutting ant, should be intense only at the beginning of planting, since the most severe attacks occur during this time. |
|
Palavras-Chave: |
Acromyrmex crassispinus; Forest pest; Praga florestal. |
|
Thesagro: |
Desfolha artificial; Pinus Taeda. |
|
Thesaurus NAL: |
Defoliation. |
|
Categoria do assunto: |
-- |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/64894/1/2012-Edilson-PAB-Ataque.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/84991/1/Leaf8209cutting-ant-attack-in-initial.pdf
|
|
Marc: |
LEADER 02001naa a2200253 a 4500
001 1932127
005 2015-02-20
008 2012 bl uuuu u00u1 u #d
100 1 $aNICKELE, M. A.
245 $aLeaf-cutting ant attack in initial pine plantations and growth of defoliated plants.
260 $c2012
520 $aThe objective of this work was to evaluate the natural attack by Acromyrmex crassispinus in initial Pinus taeda plantations without control measures against ants, as well as the effect of defoliation in seedlings of P. taeda. Evaluations of the attack of leaf?cutting ants on P. taeda plantations were done monthly in the first six months, then 9 and 12 months after planting. The percentages of plants that were naturally attacked by ants were registered. The effect of defoliation was evaluated by artificial defoliation, simulating the natural patterns of attack by A. crassispinus on P. taeda seedlings. The natural attack of A. crassispinus was greater during the first months after planting, being more intense in the first 30 days. Artificial defoliation indicated that there were no significant losses in diameter and height in plants with less than 75% defoliation. However, there were significant losses in diameter and height in plants with 100% defoliation, independently of the cut of the apical meristem, and also plant death. The control of leaf?cutting ants in P. taeda plantings, in which A. crassispinus is the most frequent leaf?cutting ant, should be intense only at the beginning of planting, since the most severe attacks occur during this time.
650 $aDefoliation
650 $aDesfolha artificial
650 $aPinus Taeda
653 $aAcromyrmex crassispinus
653 $aForest pest
653 $aPraga florestal
700 1 $aREIS FILHO, W.
700 1 $aOLIVEIRA, E. B. de
700 1 $aIEDE, E. T.
700 1 $aCALDATO, N.
700 1 $aSTRAPASON, P.
773 $tPesquisa Agropecuária Brasileira, Brasília$gv. 47, n. 7, p. 892-899, jul. 2012.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Florestas (CNPF) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
