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Registro Completo |
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
02/05/1997 |
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Data da última atualização: |
17/10/2007 |
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Autoria: |
BUSO, G. S. C.; CARVALHO, L. J. C. B.; NASSAR, N. M. A. |
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Afiliação: |
EMBRAPA-CENARGEN. |
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Título: |
Analysis of Genetic relationships amongs Manihot interspecific hybrids and their parental species, using RAPD assay. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
In: THE CASSAVA biotechnology network: proceedings of the second international scientific meeting, Bogor, Indonesia, 22-26 August 1994. Cali: CIAT, 1995, V.1, p.101-105. (CIAT. Working Document, n.150). |
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Páginas: |
p.101-105 |
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Série: |
(CIAT. Working Document, n.150). |
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Idioma: |
Inglês |
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Palavras-Chave: |
Hybrid; RAPD. |
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Thesagro: |
Genética; Hibrido; Mandioca. |
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Thesaurus Nal: |
cassava; genetics; Manihot. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00849nam a2200241 a 4500
001 1170808
005 2007-10-17
008 1995 bl uuuu u01u1 u #d
100 1 $aBUSO, G. S. C.
245 $aAnalysis of Genetic relationships amongs Manihot interspecific hybrids and their parental species, using RAPD assay.
260 $aIn: THE CASSAVA biotechnology network: proceedings of the second international scientific meeting, Bogor, Indonesia, 22-26 August 1994. Cali: CIAT, 1995, V.1, p.101-105. (CIAT. Working Document, n.150).$c1995
300 $ap.101-105
490 $a(CIAT. Working Document, n.150).
650 $acassava
650 $agenetics
650 $aManihot
650 $aGenética
650 $aHibrido
650 $aMandioca
653 $aHybrid
653 $aRAPD
700 1 $aCARVALHO, L. J. C. B.
700 1 $aNASSAR, N. M. A.
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Registro original: |
Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
13/12/2021 |
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Data da última atualização: |
13/12/2021 |
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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: |
DEMEU, F. A.; LOPES, M. A.; PALHARES, J. C. P.; LIMA, A. L. R. DE; CARVALHO, F. DE M.; LOPES FILHO, M. A.; DEMEU, A. A.; VIDAL, D. A.; LIMA, M. DE L.; BARBARI, M. |
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Afiliação: |
FABIANA ALVES DEMEU, IFRO; MARCOS AURÉLIO LOPES, UFLA; JULIO CESAR PASCALE PALHARES, CPPSE; ANDRÉ LUIS RIBEIRO DE LIMA, UFLA; FRANCISVAL DE MELO CARVALHO, UFLA; MARCOS AURÉLIO LOPES FILHO, USP; ANDRÉIA ALVES DEMEU, Self-employed Zootechnician, Porto Velho, RO; DOUGLAS ALVES VIDAL, Self-employed Agronomist, Lavras, MG; MARINA DE LUCA LIMA, Self-employed Veterinary Physician, Lavras, MG; MATTEO BARBARI, Università Degli Studi Di Firenze. |
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Título: |
Economic feasibility of implementing an infrastructure for collecting rainwater from the roof of free-stall sheds. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Semina, v.42, n.2, p.877-890, mar./abr. 2021. |
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ISSN: |
1679-0359 |
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DOI: |
10.5433/1679-0359.2021v42n2p877 |
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Idioma: |
Português |
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Conteúdo: |
This study aimed to analyze the economic feasibility of implementing and using the necessary infrastructure to collect rainwater from the roof of free-stall sheds in a dairy production system in southern Minas Gerais, Brazil. Specifically, the total cost (TC), total operating cost (TOC), and actual operating cost (AOC) of a cubic meter of rainwater and the break-even point in cubic meters were estimated. The research was conducted from January to December 2017 on a property located in the south of Minas Gerais. The following MOP scenarios were analyzed: most likely (Scenario 1), optimistic (scenario 2), and pessimistic (scenario 3). The grant value of the Das Velhas River basin was considered for the most likely scenario, as it has the most similar value with that of the basin surrounding the Furnas reservoir, in which the property is inserted. The grant value for water collection and consumption from the Paraíba River basin was considered in Scenario 2, as this Federal basin has the lowest grant value. The grant value for water collection and consumption from the Piracicaba, Jundiaí, and Capivari river basins was considered in Scenario 3, as these basins have the highest prices for the cubic meter of the collected and consumed water. The implementation of the infrastructure for collecting rainwater from the roof of free-stall sheds under the studied conditions was economically unfeasible for all scenarios, with negative net present values (NPV). Simple and discounted paybacks were longer than the proposed horizon. The internal rate of return (IRR) could not be estimated due to the negative values of the net cash flow. The benefit-cost ratios (BCR) were unsatisfactory (lower than 1). The TC values for rainwater collection from the roof of free-stall sheds were R$ 23,206.59 and R$ 20,489.25 for scenarios with interest rates of 8.50 and 6.99%, respectively, while the TOC value was R$ 7,850.30 for all analyzed scenarios. The unit values for TOC and AOC were R$ 9.9024/m3 and R$ 1.3060/m3 of collected water, respectively. The break-even point could not be estimated in the studied scenarios, as the variable cost per cubic meter of water collected from the roof of the free-stall shed was higher than the grant value charged by the water management committees of the different studied basins. MenosThis study aimed to analyze the economic feasibility of implementing and using the necessary infrastructure to collect rainwater from the roof of free-stall sheds in a dairy production system in southern Minas Gerais, Brazil. Specifically, the total cost (TC), total operating cost (TOC), and actual operating cost (AOC) of a cubic meter of rainwater and the break-even point in cubic meters were estimated. The research was conducted from January to December 2017 on a property located in the south of Minas Gerais. The following MOP scenarios were analyzed: most likely (Scenario 1), optimistic (scenario 2), and pessimistic (scenario 3). The grant value of the Das Velhas River basin was considered for the most likely scenario, as it has the most similar value with that of the basin surrounding the Furnas reservoir, in which the property is inserted. The grant value for water collection and consumption from the Paraíba River basin was considered in Scenario 2, as this Federal basin has the lowest grant value. The grant value for water collection and consumption from the Piracicaba, Jundiaí, and Capivari river basins was considered in Scenario 3, as these basins have the highest prices for the cubic meter of the collected and consumed water. The implementation of the infrastructure for collecting rainwater from the roof of free-stall sheds under the studied conditions was economically unfeasible for all scenarios, with negative net present values (NPV). Simple and discounted paybac... Mostrar Tudo |
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Palavras-Chave: |
Bovinocultura leiteira; Dairy cattle farming; Indicadores de rentabilidade; Profitability indicators; Reuse; Scenario analysis; Sustainability; Sustentabilidade. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/229010/1/EconomicFeasibilityImplementing.pdf
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Marc: |
LEADER 03376naa a2200349 a 4500
001 2137656
005 2021-12-13
008 2021 bl uuuu u00u1 u #d
022 $a1679-0359
024 7 $a10.5433/1679-0359.2021v42n2p877$2DOI
100 1 $aDEMEU, F. A.
245 $aEconomic feasibility of implementing an infrastructure for collecting rainwater from the roof of free-stall sheds.$h[electronic resource]
260 $c2021
520 $aThis study aimed to analyze the economic feasibility of implementing and using the necessary infrastructure to collect rainwater from the roof of free-stall sheds in a dairy production system in southern Minas Gerais, Brazil. Specifically, the total cost (TC), total operating cost (TOC), and actual operating cost (AOC) of a cubic meter of rainwater and the break-even point in cubic meters were estimated. The research was conducted from January to December 2017 on a property located in the south of Minas Gerais. The following MOP scenarios were analyzed: most likely (Scenario 1), optimistic (scenario 2), and pessimistic (scenario 3). The grant value of the Das Velhas River basin was considered for the most likely scenario, as it has the most similar value with that of the basin surrounding the Furnas reservoir, in which the property is inserted. The grant value for water collection and consumption from the Paraíba River basin was considered in Scenario 2, as this Federal basin has the lowest grant value. The grant value for water collection and consumption from the Piracicaba, Jundiaí, and Capivari river basins was considered in Scenario 3, as these basins have the highest prices for the cubic meter of the collected and consumed water. The implementation of the infrastructure for collecting rainwater from the roof of free-stall sheds under the studied conditions was economically unfeasible for all scenarios, with negative net present values (NPV). Simple and discounted paybacks were longer than the proposed horizon. The internal rate of return (IRR) could not be estimated due to the negative values of the net cash flow. The benefit-cost ratios (BCR) were unsatisfactory (lower than 1). The TC values for rainwater collection from the roof of free-stall sheds were R$ 23,206.59 and R$ 20,489.25 for scenarios with interest rates of 8.50 and 6.99%, respectively, while the TOC value was R$ 7,850.30 for all analyzed scenarios. The unit values for TOC and AOC were R$ 9.9024/m3 and R$ 1.3060/m3 of collected water, respectively. The break-even point could not be estimated in the studied scenarios, as the variable cost per cubic meter of water collected from the roof of the free-stall shed was higher than the grant value charged by the water management committees of the different studied basins.
653 $aBovinocultura leiteira
653 $aDairy cattle farming
653 $aIndicadores de rentabilidade
653 $aProfitability indicators
653 $aReuse
653 $aScenario analysis
653 $aSustainability
653 $aSustentabilidade
700 1 $aLOPES, M. A.
700 1 $aPALHARES, J. C. P.
700 1 $aLIMA, A. L. R. DE
700 1 $aCARVALHO, F. DE M.
700 1 $aLOPES FILHO, M. A.
700 1 $aDEMEU, A. A.
700 1 $aVIDAL, D. A.
700 1 $aLIMA, M. DE L.
700 1 $aBARBARI, M.
773 $tSemina$gv.42, n.2, p.877-890, mar./abr. 2021.
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Embrapa Pecuária Sudeste (CPPSE) |
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