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| Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo |
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
08/01/2024 |
Data da última atualização: |
08/01/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
NOVELLI, T. I.; PALHARES, J. C. P.; MARTELLO, L. S.; MEDEIROS, S. R. de; RIVERO, M. J. |
Afiliação: |
TAISLA INARA NOVELLI, UNIVERSIDADE DE SÃO PAULO; JULIO CESAR PASCALE PALHARES, CPPSE; LUCIANE SILVA MARTELLO, UNIVERSIDADE DE SÃO PAULO; SERGIO RAPOSO DE MEDEIROS, CPPSE; M. JORDANA RIVERO, Rothamsted Research. |
Título: |
Three environmental dimensions of beef cattle in tropical feedlot: water, nutrients and land. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Science of The Total Environment, v. 904, dec. 2023, 166733. |
Páginas: |
12 p. |
DOI: |
10.1016/j.scitotenv.2023.166733 |
Idioma: |
Inglês |
Conteúdo: |
This study aims to evaluate water, land, and nutrient efficiencies in a tropical beef feedlot system by providing artificial shading and considering local conditions and feed cultivation. The study was conducted at the Experimental Feedlot of Embrapa Southeast Livestock in Brazil. Forty-eight Nellore bulls were divided into two groups, with one group having shade (GS) and the other without shade (GWS). The animals' body weights, water intake, and dry matter intake were recorded. The water footprint was calculated using a product-focused assessment, considering water consumed in feed production and animal drinking. The nutrient balance and land footprint were also assessed. To both treatments, the crop scenario with soybean and corn first crop produced in Maringa resulted in the lowest water and land footprint values. Corn was the main contributor to green water consumption. The efficiency in water use for corn decreased between the first and second crops. The water footprint of soybean meal varied between production locations. GWS had slightly higher average blue water consumption than GS. In terms of nutrient balance, the GS treatment exhibited lower nitrogen and phosphorus balance values, indicating higher efficiency in the use of these elements. The provision of artificial shading was found to reduce the water footprint and improve nutrient use efficiency. The location of grain production and the timing of corn planting were identified as key factors influencing water and land footprint values. MenosThis study aims to evaluate water, land, and nutrient efficiencies in a tropical beef feedlot system by providing artificial shading and considering local conditions and feed cultivation. The study was conducted at the Experimental Feedlot of Embrapa Southeast Livestock in Brazil. Forty-eight Nellore bulls were divided into two groups, with one group having shade (GS) and the other without shade (GWS). The animals' body weights, water intake, and dry matter intake were recorded. The water footprint was calculated using a product-focused assessment, considering water consumed in feed production and animal drinking. The nutrient balance and land footprint were also assessed. To both treatments, the crop scenario with soybean and corn first crop produced in Maringa resulted in the lowest water and land footprint values. Corn was the main contributor to green water consumption. The efficiency in water use for corn decreased between the first and second crops. The water footprint of soybean meal varied between production locations. GWS had slightly higher average blue water consumption than GS. In terms of nutrient balance, the GS treatment exhibited lower nitrogen and phosphorus balance values, indicating higher efficiency in the use of these elements. The provision of artificial shading was found to reduce the water footprint and improve nutrient use efficiency. The location of grain production and the timing of corn planting were identified as key factors influencing water and... Mostrar Tudo |
Palavras-Chave: |
Artificial shading; Footprint; Water intake. |
Thesaurus Nal: |
Nitrogen; Phosphorus. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
Marc: |
LEADER 02272naa a2200253 a 4500 001 2160532 005 2024-01-08 008 2023 bl uuuu u00u1 u #d 024 7 $a10.1016/j.scitotenv.2023.166733$2DOI 100 1 $aNOVELLI, T. I. 245 $aThree environmental dimensions of beef cattle in tropical feedlot$bwater, nutrients and land.$h[electronic resource] 260 $c2023 300 $a12 p. 520 $aThis study aims to evaluate water, land, and nutrient efficiencies in a tropical beef feedlot system by providing artificial shading and considering local conditions and feed cultivation. The study was conducted at the Experimental Feedlot of Embrapa Southeast Livestock in Brazil. Forty-eight Nellore bulls were divided into two groups, with one group having shade (GS) and the other without shade (GWS). The animals' body weights, water intake, and dry matter intake were recorded. The water footprint was calculated using a product-focused assessment, considering water consumed in feed production and animal drinking. The nutrient balance and land footprint were also assessed. To both treatments, the crop scenario with soybean and corn first crop produced in Maringa resulted in the lowest water and land footprint values. Corn was the main contributor to green water consumption. The efficiency in water use for corn decreased between the first and second crops. The water footprint of soybean meal varied between production locations. GWS had slightly higher average blue water consumption than GS. In terms of nutrient balance, the GS treatment exhibited lower nitrogen and phosphorus balance values, indicating higher efficiency in the use of these elements. The provision of artificial shading was found to reduce the water footprint and improve nutrient use efficiency. The location of grain production and the timing of corn planting were identified as key factors influencing water and land footprint values. 650 $aNitrogen 650 $aPhosphorus 653 $aArtificial shading 653 $aFootprint 653 $aWater intake 700 1 $aPALHARES, J. C. P. 700 1 $aMARTELLO, L. S. 700 1 $aMEDEIROS, S. R. de 700 1 $aRIVERO, M. J. 773 $tScience of The Total Environment$gv. 904, dec. 2023, 166733.
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Embrapa Pecuária Sudeste (CPPSE) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Algodão. Para informações adicionais entre em contato com cnpa.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Algodão. |
Data corrente: |
10/08/2005 |
Data da última atualização: |
10/08/2005 |
Autoria: |
ARRUDA, F. P. de; BELTRÃO, N. E. de M.; ANDRADE, A. P. de; PEREIRA, W. E.; SEVERINO, L. S. |
Título: |
Cultivo de pinhão manso (Jatropha curca L.) como alternativa para o semi-árido nordestino. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
Revista Brasileira de Oleaginosas e Fibrosas, v.8, n.1, p.789-799, 2004. |
Idioma: |
Português |
Palavras-Chave: |
Jatropha curca L; Purging nut; Purgueira. |
Thesagro: |
Óleo Vegetal. |
Thesaurus NAL: |
biodiesel; vegetable oil. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00682naa a2200229 a 4500 001 1273845 005 2005-08-10 008 2004 bl uuuu u00u1 u #d 100 1 $aARRUDA, F. P. de 245 $aCultivo de pinhão manso (Jatropha curca L.) como alternativa para o semi-árido nordestino. 260 $c2004 650 $abiodiesel 650 $avegetable oil 650 $aÓleo Vegetal 653 $aJatropha curca L 653 $aPurging nut 653 $aPurgueira 700 1 $aBELTRÃO, N. E. de M. 700 1 $aANDRADE, A. P. de 700 1 $aPEREIRA, W. E. 700 1 $aSEVERINO, L. S. 773 $tRevista Brasileira de Oleaginosas e Fibrosas$gv.8, n.1, p.789-799, 2004.
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