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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
07/01/2013 |
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Data da última atualização: |
20/04/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
TORRES, M. de O.; MANETA, M.; HOWITT, R.; VOSTI, S, A.; WALLENDER, W. W.; BASSOI, L. H.; RODRIGUES, L. N. |
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Afiliação: |
MARCELO DE O. TORRES; MARCO MANETA; RICHARD HOWITT; STEPHEN A. VOSTI; WESLEY W. WALLENDER; LUIS HENRIQUE BASSOI, CPATSA; LINEU NEIVA RODRIGUES, CPAC. |
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Título: |
Economic impacts of regional water scarcity in the São Francisco River Basin, Brazil: an application of a linked hydro-economic model. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Environment and Development Economics, v. 17, n. 2, p.227-248, 2012. |
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DOI: |
10.1017/S1355770X11000362 |
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Idioma: |
Inglês |
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Conteúdo: |
This paper presents a linked hydro-economic model and uses it to examine the regional effects of water use regulations and product price changes on the agriculture of the São Francisco River Basin, Brazil. The effects of weather on surface water availability are explicitly addressed using the hydrological model MIKE-Basin. Farmers? adjustments to changes in precipitation, surface water availability, and other factors are quantified using an economic model based on non-linear programming techniques. The models are externally linked. Results show that regional impacts, at the sub-basin level, vary depending on the location of each sub-basin relative to river flows. The effects of water use regulations and of exogenous price shocks on agriculture depend on weather, location, productmix and production technology. Implications of these results for policies designed to manage agriculture and water use are discussed. |
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Palavras-Chave: |
Natural resource; Uso da água. |
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Thesagro: |
Agricultura; Água; Impacto Econômico; Recurso natural; Regulamentação. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/130775/1/49287.pdf
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Marc: |
LEADER 01792naa a2200289 a 4500
001 1944164
005 2017-04-20
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1017/S1355770X11000362$2DOI
100 1 $aTORRES, M. de O.
245 $aEconomic impacts of regional water scarcity in the São Francisco River Basin, Brazil$ban application of a linked hydro-economic model.
260 $c2012
520 $aThis paper presents a linked hydro-economic model and uses it to examine the regional effects of water use regulations and product price changes on the agriculture of the São Francisco River Basin, Brazil. The effects of weather on surface water availability are explicitly addressed using the hydrological model MIKE-Basin. Farmers? adjustments to changes in precipitation, surface water availability, and other factors are quantified using an economic model based on non-linear programming techniques. The models are externally linked. Results show that regional impacts, at the sub-basin level, vary depending on the location of each sub-basin relative to river flows. The effects of water use regulations and of exogenous price shocks on agriculture depend on weather, location, productmix and production technology. Implications of these results for policies designed to manage agriculture and water use are discussed.
650 $aAgricultura
650 $aÁgua
650 $aImpacto Econômico
650 $aRecurso natural
650 $aRegulamentação
653 $aNatural resource
653 $aUso da água
700 1 $aMANETA, M.
700 1 $aHOWITT, R.
700 1 $aVOSTI, S, A.
700 1 $aWALLENDER, W. W.
700 1 $aBASSOI, L. H.
700 1 $aRODRIGUES, L. N.
773 $tEnvironment and Development Economics$gv. 17, n. 2, p.227-248, 2012.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
28/04/2020 |
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Data da última atualização: |
28/04/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
OLIVEIRA, M. E. F.; ZAMBRINI, F. N.; SOUZA-FABJAN, J. M. G.; BARTLEWSKI, P. M.; GUIMARÃES, J. D.; BRANDÃO, F. Z.; FONSECA, J. F. da. |
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Afiliação: |
São Paulo State University (USP) - Jaboticabal, SP, Brazil; Viçosa Federal University (UFV) - Viçosa, MG, Brazil; JOANNA MARIA GONCALVES SOUZA-FABJAN, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; Ontario Veterinary College, University of Guelph - Canada; Viçosa Federal University (UFV) - Viçosa, MG, Brazil; Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC. |
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Título: |
Repeated trans-cervical embryo recoveries in Santa inês ewes subjected to short- or long-term superovulatory treatment regimens. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Animal Reproduction Science, v. 2017, article 106469 Jun. 2020. |
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DOI: |
https://doi.org/10.1016/j.anireprosci.2020.106469 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Outcomes of short- (6.5 days) and long-term (14.5 days) estrous synchronization for 6.5 d (G-6.5d) or 14.5 d (G-14.5d) and followed by the 4-day or 3-day declining-dose follicle-stimulating hormone superovulatory regimen, respectively, were compared using 16 estrous-cycling Santa Inês ewes. Non-surgical embryo recovery (NSER) procedures were performed 60 d apart starting 6 or 7 d after the onset of estrus; an i.m. injection of estradiol benzoate and of D-cloprostenol at 16 h was followed by an i.v. oxytocin injection administered 20 min before NSER. There was a longer (P<0.05) period before estrous onset in ewes during the second (September) compared with the first study replicate (July) by approximately 14 h. The NSER could be performed in 11 of 15 ewes that were in estrus, with an average of three viable-embryos/donor and the mean duration of the procedure being 29 min. There were no differences in superovulatory responses between the two groups of ewes, but there were only degenerated embryos in ewes of the G-6.5d group. In summary: i. the duration of progestin-priming and of multiple-dose pFSH treatment had a limited effect on superovulatory responses in estrous-cycling Santa Inês ewes; ii. NSER is a safe and repeatable method of embryo collection in ewes subsequent to superovulation; and iii. duration of the superovulatory treatment regimen may alter the effects of endogenous steroids on oocyte/embryo quality in ewes. |
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Palavras-Chave: |
Progestin; Trans -cervical uterine flushing. |
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Thesagro: |
Estradiol; Melhoramento Genético Animal; Ovino; Reprodução Animal; Superovulação; Transferência de Embrião. |
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Thesaurus NAL: |
Animal reproduction; Breeding and Genetic Improvement; Embryo transfer; Estrus synchronization; Sheep; Superovulation. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02669naa a2200373 a 4500
001 2121873
005 2020-04-28
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.anireprosci.2020.106469$2DOI
100 1 $aOLIVEIRA, M. E. F.
245 $aRepeated trans-cervical embryo recoveries in Santa inês ewes subjected to short- or long-term superovulatory treatment regimens.$h[electronic resource]
260 $c2020
520 $aAbstract: Outcomes of short- (6.5 days) and long-term (14.5 days) estrous synchronization for 6.5 d (G-6.5d) or 14.5 d (G-14.5d) and followed by the 4-day or 3-day declining-dose follicle-stimulating hormone superovulatory regimen, respectively, were compared using 16 estrous-cycling Santa Inês ewes. Non-surgical embryo recovery (NSER) procedures were performed 60 d apart starting 6 or 7 d after the onset of estrus; an i.m. injection of estradiol benzoate and of D-cloprostenol at 16 h was followed by an i.v. oxytocin injection administered 20 min before NSER. There was a longer (P<0.05) period before estrous onset in ewes during the second (September) compared with the first study replicate (July) by approximately 14 h. The NSER could be performed in 11 of 15 ewes that were in estrus, with an average of three viable-embryos/donor and the mean duration of the procedure being 29 min. There were no differences in superovulatory responses between the two groups of ewes, but there were only degenerated embryos in ewes of the G-6.5d group. In summary: i. the duration of progestin-priming and of multiple-dose pFSH treatment had a limited effect on superovulatory responses in estrous-cycling Santa Inês ewes; ii. NSER is a safe and repeatable method of embryo collection in ewes subsequent to superovulation; and iii. duration of the superovulatory treatment regimen may alter the effects of endogenous steroids on oocyte/embryo quality in ewes.
650 $aAnimal reproduction
650 $aBreeding and Genetic Improvement
650 $aEmbryo transfer
650 $aEstrus synchronization
650 $aSheep
650 $aSuperovulation
650 $aEstradiol
650 $aMelhoramento Genético Animal
650 $aOvino
650 $aReprodução Animal
650 $aSuperovulação
650 $aTransferência de Embrião
653 $aProgestin
653 $aTrans -cervical uterine flushing
700 1 $aZAMBRINI, F. N.
700 1 $aSOUZA-FABJAN, J. M. G.
700 1 $aBARTLEWSKI, P. M.
700 1 $aGUIMARÃES, J. D.
700 1 $aBRANDÃO, F. Z.
700 1 $aFONSECA, J. F. da
773 $tAnimal Reproduction Science$gv. 2017, article 106469 Jun. 2020.
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