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2. | | STARLING, J. M. C.; RODRIGUEZ, N. M.; MOURÃO, G. B. Avaliação da semente de maracujá (Passiflora edulis) em ensaio de digestibilidade aparente em ovinos. I. Consumo de matéria seca e coeficientes de digestibilidade da matéria seca, fibra detergente neutro, fibra detergente ácido, hemicelulose e celulose. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, v. 49, n. 1, p. 63-74, 1997. Biblioteca(s): Embrapa Caprinos e Ovinos. |
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6. | | ARMINDO, R. A.; BOTREL, T.; DOURADO NETO, D.; MOURÃO, G. B. Avaliação do sistema de pulverização com funcionamento intermitente, acoplado ao pivô central, Notliada. Revista Brasileira de Engenharia Agrícola e Ambiental, v.13, n.1, p.26-32, 2009. Biblioteca(s): Embrapa Algodão. |
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7. | | CARVALHO, J. de O.; SARTORI, R.; LEMES, A. P.; MOURÃO, G. B.; DODE, M. A. N. Cinética de espermatozoides criopreservados de bovinos após sexagem por citometria de fluxo. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 44, n. 10, p. 1346-1351, out. 2009 Biblioteca(s): Embrapa Agricultura Digital; Embrapa Recursos Genéticos e Biotecnologia; Embrapa Unidades Centrais. |
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8. | | SILVA, F. F. e; SÁFADI, T.; MUNIZ, J. A.; AQUINO, L. H. de; MOURÃO, G. B. Comparação bayesiana de modelos de previsão de diferenças esperadas nas progênies no melhoramento genético de gado Nelore. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 43, n. 1, p. 37-45, jan. 2008 Biblioteca(s): Embrapa Unidades Centrais. |
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12. | | ARAUJO, L. C.; SANTOS, P. M.; MENDONÇA, F. C.; MOURÃO, G. B. Avaliação do capim-marandu sob déficit hídrico em casa de vegetação, no período de estabelecimento. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 45,., 2008, Lavras. Anais... Lavras: SBZ: UFLA, 2008 Biblioteca(s): Embrapa Pecuária Sudeste. |
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17. | | SOARES, M. C.; PAULA, M. R. de; SLANZON, G. S.; ROCHA, F. H.; MOURÃO, G. B.; BITTAR, C. M. M. Clinical, blood gas and biochemical profile of diarrheic dairy calves fed starter concentrate containing citrus pulp as a replacement for corn. Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 37, n. 8, p. 790-796, ago. 2017. Título em português: Perfis clínico, de gás sanguíneo e bioquímico de bezerros leiteiros diarreicos alimentados com concentrado inicial contendo polpa cítrica como substituto de milho Biblioteca(s): Embrapa Unidades Centrais. |
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Registro Completo
Biblioteca(s): |
Embrapa Agrossilvipastoril. |
Data corrente: |
07/11/2018 |
Data da última atualização: |
07/11/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
VERAGEREMIA, E.; CRESTANI, S.; MASCHERONI, J. D. C.; MONTEIRO, R. A. C.; MOURÃO, G. B.; SILVA, S. C. da. |
Afiliação: |
ELIANA VERAGEREMIA, USP, ESALQ, PIRACICABA; STEBEN CRESTANI, USP, ESALQ, PIRACICABA; JORGE DANIEL CABALLERO MASCHERONI, UNIVERSIDAD NACIONAL DE ASUNCIÓN, SAN LORENZO; ROBERTA APARECIDA C MONTEIRO, CNPGL; GERSON BARRETO MOURÃO, USP, ESALQ, PIRACICABA; SILA CARNEIRO DA SILVA, USP, ESALQ, PIRACICABA. |
Título: |
Sward structure and herbage intake of Brachiaria brizantha cv. Piatã in a crop-livestock-forestry integration area. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Livestock Science, v. 212, p. 83-92, 2018. |
DOI: |
https://doi.org/10.1016/j.livsci.2018.03.020 |
Idioma: |
Inglês |
Conteúdo: |
Forage species tolerate varying degrees of shading. In agrosilvopastoral systems, forage plants are able to adjust and partially compensate growth reduction under light stress. These adjustments change morphological proportions and composition along the vertical profile of the sward. Sward morphological composition is directly related to animal intake behavior and performance. One objective of this study was to evaluate the effects of different tree shading levels on sward vertical structure of Piatã palisadegrass cultivated in a crop-livestock-forestry integration area. Another objective was to identify the relationship between sward vertical structure and herbage intake by cattle (Boss pp.). Three experiments were conducted simultaneously to evaluate three shading levels: 1. Full sunlight (FS); 2. Moderate shade (MS; 338 trees.ha−1); and Intense shade (IS; 714 trees.ha−1). Evaluation was performed during three periods in which total rainfall during the experimental period corresponded to 86, 12 and 2% (periods 1, 2 and 3, respectively). Pastures were rotationally stocked and grazed at 95% canopy light interception (LI) during regrowth (95% LI). Two strategies for taking the reference readings of LI were tested in IS paddocks: LI reading inside (under the tree canopy) and outside (under full natural light) the experimental area. The IS had greatest forage height and proportion of stems, both pre- grazing and post-grazing. Consequently, animals under IS had decreased bite mass and intake rate, pre- and post-grazing except for period 3. There was an effect of shading level on herbage crude protein (CP) concentration. Greatest CP concentrations were observed on IS areas. Neutral detergent fiber (NDF) and acid detergent fiber (ADF) did not vary with shading levels. Herbage dry matter digestibility varied with evaluation period, and lowest values were recorded during period 3. Greater herbage intake was observed on FS and MS relative to IS, due to greater leaf proportion in sward herbage mass. Moderate shading is not so detrimental to system's productivity, highlighting the importance of adequate choice of tree species, plant density and arrangement. MenosForage species tolerate varying degrees of shading. In agrosilvopastoral systems, forage plants are able to adjust and partially compensate growth reduction under light stress. These adjustments change morphological proportions and composition along the vertical profile of the sward. Sward morphological composition is directly related to animal intake behavior and performance. One objective of this study was to evaluate the effects of different tree shading levels on sward vertical structure of Piatã palisadegrass cultivated in a crop-livestock-forestry integration area. Another objective was to identify the relationship between sward vertical structure and herbage intake by cattle (Boss pp.). Three experiments were conducted simultaneously to evaluate three shading levels: 1. Full sunlight (FS); 2. Moderate shade (MS; 338 trees.ha−1); and Intense shade (IS; 714 trees.ha−1). Evaluation was performed during three periods in which total rainfall during the experimental period corresponded to 86, 12 and 2% (periods 1, 2 and 3, respectively). Pastures were rotationally stocked and grazed at 95% canopy light interception (LI) during regrowth (95% LI). Two strategies for taking the reference readings of LI were tested in IS paddocks: LI reading inside (under the tree canopy) and outside (under full natural light) the experimental area. The IS had greatest forage height and proportion of stems, both pre- grazing and post-grazing. Consequently, animals under IS had decre... Mostrar Tudo |
Palavras-Chave: |
Forage intake; Integration systems; Light interception; Piatã palisadegrass. |
Thesaurus NAL: |
Nutritive value. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 03004naa a2200253 a 4500 001 2098971 005 2018-11-07 008 2018 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.livsci.2018.03.020$2DOI 100 1 $aVERAGEREMIA, E. 245 $aSward structure and herbage intake of Brachiaria brizantha cv. Piatã in a crop-livestock-forestry integration area.$h[electronic resource] 260 $c2018 520 $aForage species tolerate varying degrees of shading. In agrosilvopastoral systems, forage plants are able to adjust and partially compensate growth reduction under light stress. These adjustments change morphological proportions and composition along the vertical profile of the sward. Sward morphological composition is directly related to animal intake behavior and performance. One objective of this study was to evaluate the effects of different tree shading levels on sward vertical structure of Piatã palisadegrass cultivated in a crop-livestock-forestry integration area. Another objective was to identify the relationship between sward vertical structure and herbage intake by cattle (Boss pp.). Three experiments were conducted simultaneously to evaluate three shading levels: 1. Full sunlight (FS); 2. Moderate shade (MS; 338 trees.ha−1); and Intense shade (IS; 714 trees.ha−1). Evaluation was performed during three periods in which total rainfall during the experimental period corresponded to 86, 12 and 2% (periods 1, 2 and 3, respectively). Pastures were rotationally stocked and grazed at 95% canopy light interception (LI) during regrowth (95% LI). Two strategies for taking the reference readings of LI were tested in IS paddocks: LI reading inside (under the tree canopy) and outside (under full natural light) the experimental area. The IS had greatest forage height and proportion of stems, both pre- grazing and post-grazing. Consequently, animals under IS had decreased bite mass and intake rate, pre- and post-grazing except for period 3. There was an effect of shading level on herbage crude protein (CP) concentration. Greatest CP concentrations were observed on IS areas. Neutral detergent fiber (NDF) and acid detergent fiber (ADF) did not vary with shading levels. Herbage dry matter digestibility varied with evaluation period, and lowest values were recorded during period 3. Greater herbage intake was observed on FS and MS relative to IS, due to greater leaf proportion in sward herbage mass. Moderate shading is not so detrimental to system's productivity, highlighting the importance of adequate choice of tree species, plant density and arrangement. 650 $aNutritive value 653 $aForage intake 653 $aIntegration systems 653 $aLight interception 653 $aPiatã palisadegrass 700 1 $aCRESTANI, S. 700 1 $aMASCHERONI, J. D. C. 700 1 $aMONTEIRO, R. A. C. 700 1 $aMOURÃO, G. B. 700 1 $aSILVA, S. C. da 773 $tLivestock Science$gv. 212, p. 83-92, 2018.
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