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| Registros recuperados : 11 | |
| 7. |  | MORELLI, M.; NOVELLI, T. I.; VICENZI, R.; PALHARES, J. C. P. Influência do uso de co-produtos no balanço de nutrientes de bovinos em confinamento. In: SIMPÓSIO INTERNACIONAL SOBRE GERENCIAMENTO DE RESÍDUOS AGROPECUÁRIOS E AGROINDUSTRIAIS, 5., 2017, Foz do Iguaçu, PR. Anais... Concórdia, SC: Sbera; Embrapa Suínos e Aves, 2017. p. 483-486. Comissão organizadora: Marcelo Bortoli, Julio Cesar Pascale Palhares, Caio Inácio de Teves, Valéria Reginatto Spiller, Ariel A. Szogi, Marina Celant De Prá, Ricardo L. R. Steinmetz , Andre Cestonaro do Amaral.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 8. | | NOVELLI, T. I.; MORELLI, M.; PALHARES, J. C. P.; ALVES, T. C.; NOVO, A. L. M. Manipulação do teor de proteína do concentrado e impacto no balanço de nutriente de um sistema de produção de leite. In: SIMPÓSIO INTERNACIONAL SOBRE GERENCIAMENTO DE RESÍDUOS AGROPECUÁRIOS E AGROINDUSTRIAIS, 5., 2017, Foz do Iguaçu, PR. Anais... Concórdia, SC: Sbera; Embrapa Suínos e Aves, 2017. p. 487-490. Comissão organizadora: Marcelo Bortoli, Julio Cesar Pascale Palhares, Caio Inácio de Teves, Valéria Reginatto Spiller, Ariel A. Szogi, Marina Celant De Prá, Ricardo L. R. Steinmetz , Andre Cestonaro do Amaral.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 9. | | MORELLI, M.; NOVELLI, T. I.; SAKAMOTO, L. S.; TULLIO, R. R.; BARIONI JUNIOR, W.; PALHARES, J. C. P. Meat quality of Nellore cattle finished in feedlot fed with diets containing agroindustrial co-products or not. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 54., 2017, Foz do Iguaçu, PR. Proceedings... Foz do Iguaçu, PR: SBZ, 2017. p. 1118.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 11. | | FRANCISCO, V. C.; SILVA, M. L. P. da; FERREIRA, A. U. de C.; NOVELLI, T. I.; MORELLI, M.; NASSU, R. T. Análise sensorial de carne bovina de animais da raça Nelore submetidos a diferentes dietas. In: LATIN AMERICAN SYMPOSIUM OF FOOD SCIENCE, 12., 2017, Campinas, SP. Anais... Campinas, SP: UNICAMP, 2017.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| Registros recuperados : 11 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
22/12/2020 |
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Data da última atualização: |
22/12/2020 |
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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: |
PALHARES, J. C. P.; NOVELLI, T. I.; MORELLI, M. |
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Afiliação: |
JULIO CESAR PASCALE PALHARES, CPPSE; Taisla Inara Novelli, USP; Marcela Morelli, USP. |
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Título: |
Nutrient fluxes and environmental performance indicators for a pasture-based dairy system. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Acta Scientiarum. Animal Sciences, v. 42, e48615, p. 1-8, 2020. |
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ISSN: |
1807-8672 |
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DOI: |
10.4025/actascianimsci.v42i1.48615 |
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Idioma: |
Inglês |
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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. |
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Palavras-Chave: |
Lactating cows; Protein. |
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Thesaurus NAL: |
Nitrogen; Phosphorus; Potassium. |
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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/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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Embrapa Pecuária Sudeste (CPPSE) |
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