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Registro Completo |
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
22/12/2020 |
Data da última atualização: |
22/12/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PALHARES, J. C. P.; NOVELLI, T. I.; MORELLI, M. |
Afiliação: |
JULIO CESAR PASCALE PALHARES, CPPSE; Taisla Inara Novelli, USP; Marcela Morelli, USP. |
Título: |
Nutrient fluxes and environmental performance indicators for a pasture-based dairy system. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Acta Scientiarum. Animal Sciences, v. 42, e48615, p. 1-8, 2020. |
ISSN: |
1807-8672 |
DOI: |
10.4025/actascianimsci.v42i1.48615 |
Idioma: |
Inglês |
Conteúdo: |
The aim of this study was to evaluate the nutrient fluxes for lactating cows in a pasture-based dairy system and the impact of a nutritional management strategy on the environmental performance indicators. Fourteen lactating cows were divided into two experimental groups with seven animals each. The nutritional managements were a diet containing 20% crude protein (Group 1) and a diet with adjusted protein (Group 2). The nutrient budget was calculated on a monthly basis for nitrogen, phosphorus, and potassium. The nutritional strategy of adjusted protein reduces the total surplus in the lactation period for nitrogen by 7.6% and for phosphorus by 6.3%. The total potassium surplus of the adjusted protein group was 8.5% higher. The average nitrogen use efficiency was 21% for group 1 and 22.7% for group 2. Phosphorus use efficiency ranged from 13.4 to 35% for group 1 and from 15.5 to 34% for group 2 and potassium average use efficiency was 14.2% for group 1 and 12.6% for group 2. Nutritional management reduced nitrogen and phosphorus surpluses as well as the values of the environmental performance indicator. Based on this, it is possible to improve the environmental efficiency of dairy systems through improved nutritional management. |
Palavras-Chave: |
Lactating cows; Protein. |
Thesaurus Nal: |
Nitrogen; Phosphorus; Potassium. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/219568/1/NutrientFluxesEnvironmental.pdf
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Marc: |
LEADER 01927naa a2200229 a 4500 001 2128592 005 2020-12-22 008 2020 bl uuuu u00u1 u #d 022 $a1807-8672 024 7 $a10.4025/actascianimsci.v42i1.48615$2DOI 100 1 $aPALHARES, J. C. P. 245 $aNutrient fluxes and environmental performance indicators for a pasture-based dairy system.$h[electronic resource] 260 $c2020 520 $aThe aim of this study was to evaluate the nutrient fluxes for lactating cows in a pasture-based dairy system and the impact of a nutritional management strategy on the environmental performance indicators. Fourteen lactating cows were divided into two experimental groups with seven animals each. The nutritional managements were a diet containing 20% crude protein (Group 1) and a diet with adjusted protein (Group 2). The nutrient budget was calculated on a monthly basis for nitrogen, phosphorus, and potassium. The nutritional strategy of adjusted protein reduces the total surplus in the lactation period for nitrogen by 7.6% and for phosphorus by 6.3%. The total potassium surplus of the adjusted protein group was 8.5% higher. The average nitrogen use efficiency was 21% for group 1 and 22.7% for group 2. Phosphorus use efficiency ranged from 13.4 to 35% for group 1 and from 15.5 to 34% for group 2 and potassium average use efficiency was 14.2% for group 1 and 12.6% for group 2. Nutritional management reduced nitrogen and phosphorus surpluses as well as the values of the environmental performance indicator. Based on this, it is possible to improve the environmental efficiency of dairy systems through improved nutritional management. 650 $aNitrogen 650 $aPhosphorus 650 $aPotassium 653 $aLactating cows 653 $aProtein 700 1 $aNOVELLI, T. I. 700 1 $aMORELLI, M. 773 $tActa Scientiarum. Animal Sciences$gv. 42, e48615, p. 1-8, 2020.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
13/11/2019 |
Data da última atualização: |
16/01/2020 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
PINTO, L. F. D.; SIBALDELLI, R. N. R.; MERTZ-HENNING, L. M.; NEPOMUCENO, A. L.; NEUMAIER, N.; MORAES, L. A. C.; GONCALVES, S. L.; FOLONI, J. S. S.; FARIAS, J. R. B. |
Afiliação: |
UNIFIL; RUBSON NATAL RIBEIRO SIBALDELLI, CNPSO; LILIANE MARCIA MERTZ HENNING, CNPSO; ALEXANDRE LIMA NEPOMUCENO, CNPSO; NORMAN NEUMAIER, CNPSO; LARISSA ALEXANDRA CARDOSO MORAES, CNPSO; SERGIO LUIZ GONCALVES, CNPSO; JOSE SALVADOR SIMONETTO FOLONI, CNPSO; JOSE RENATO BOUCAS FARIAS, CNPSO. |
Título: |
Disponibilidade hídrica para a cultura da soja na safra 2018/2019 no município de Londrina, PR. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
In: JORNADA ACADÊMICA DA EMBRAPA SOJA, 14., 2019, Londrina. Resumos expandidos... Londrina: Embrapa Soja, 2019. 163 p. (Embrapa Soja. Documentos, 415). |
Páginas: |
p. 65-70. |
Idioma: |
Português |
Thesagro: |
Recurso Hídrico; Soja. |
Thesaurus NAL: |
Soybeans; Water balance. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/204629/1/p-65.pdf
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Marc: |
LEADER 00863nam a2200253 a 4500 001 2114290 005 2020-01-16 008 2019 bl uuuu u00u1 u #d 100 1 $aPINTO, L. F. D. 245 $aDisponibilidade hídrica para a cultura da soja na safra 2018/2019 no município de Londrina, PR.$h[electronic resource] 260 $aIn: JORNADA ACADÊMICA DA EMBRAPA SOJA, 14., 2019, Londrina. Resumos expandidos... Londrina: Embrapa Soja, 2019. 163 p. (Embrapa Soja. Documentos$c2019 300 $ap. 65-70. 650 $aSoybeans 650 $aWater balance 650 $aRecurso Hídrico 650 $aSoja 700 1 $aSIBALDELLI, R. N. R. 700 1 $aMERTZ-HENNING, L. M. 700 1 $aNEPOMUCENO, A. L. 700 1 $aNEUMAIER, N. 700 1 $aMORAES, L. A. C. 700 1 $aGONCALVES, S. L. 700 1 $aFOLONI, J. S. S. 700 1 $aFARIAS, J. R. B.
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Embrapa Soja (CNPSO) |
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