Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Pesquisa Agropecuária Brasileira (Online) |
Texto Completo: | https://seer.sct.embrapa.br/index.php/pab/article/view/17678 |
Resumo: | The objective of this work was to evaluate forage accumulation, canopy structure, nutritive value, forage intake, and animal production in pastures of Urochloa humidicola under continuous stocking. The cultivars BRS Tupi and Comum were evaluated during the drought and wet periods (July 2011 to August 2012), in a randomized complete block experimental design, with two treatments and six replicates. Monthly, the animals were weighted and the pastures sampled for the determination of: forage accumulation rate (FAR); forage mass; percentages of leaves (PL), culms, and dead material (DL); and nutritive value. Forage intake (FI) was determined once a period. 'BRS Tupi' had a higher FAR, PL, and DL than 'Comum', during the wet period. The nutritive value, FI and the daily weight gain were similar between both cultivars. Forage protein content – 6.0 and 5.0%, for the wet and drought periods, respectively – was the main limiting factor for FI. 'BRS Tupi' had higher stocking rates and, consequently, made possible a higher live weight gain per area (192 kg ha‑1 per year) than 'Comum' (126 kg ha‑1 per year). 'BRS Tupi' is a good alternative for diversification of pastures in soils with low fertility that are temporarily subjected to flooding. |
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Forage intake and animal performance in Urochloa humidicola cultivars under continuous stockingConsumo de forragem e desempenho animal em cultivares de Urochloa humidicola sob lotação contínuaBrachiaria humidicola; Urochloa humidicola; BRS Tupi; canopy structure; creeping signalgrass; stocking rateBrachiaria humidicola; Urochloa humidicola; BRS Tupi; estrutura do dossel; quicuio‑da‑Amazônia; taxa de lotaçãoThe objective of this work was to evaluate forage accumulation, canopy structure, nutritive value, forage intake, and animal production in pastures of Urochloa humidicola under continuous stocking. The cultivars BRS Tupi and Comum were evaluated during the drought and wet periods (July 2011 to August 2012), in a randomized complete block experimental design, with two treatments and six replicates. Monthly, the animals were weighted and the pastures sampled for the determination of: forage accumulation rate (FAR); forage mass; percentages of leaves (PL), culms, and dead material (DL); and nutritive value. Forage intake (FI) was determined once a period. 'BRS Tupi' had a higher FAR, PL, and DL than 'Comum', during the wet period. The nutritive value, FI and the daily weight gain were similar between both cultivars. Forage protein content – 6.0 and 5.0%, for the wet and drought periods, respectively – was the main limiting factor for FI. 'BRS Tupi' had higher stocking rates and, consequently, made possible a higher live weight gain per area (192 kg ha‑1 per year) than 'Comum' (126 kg ha‑1 per year). 'BRS Tupi' is a good alternative for diversification of pastures in soils with low fertility that are temporarily subjected to flooding.O objetivo deste trabalho foi avaliar o acúmulo de forragem, a estrutura do dossel, o valor nutritivo, o consumo de forragem e a produção animal, em pastos de Urochloa humidicola sob lotação contínua. As cultivares BRS Tupi e Comum foram avaliadas durante os períodos de seca e das águas (julho de 2011 a agosto de 2012), em delineamento experimental de blocos ao acaso, com dois tratamentos e seis repetições. Mensalmente, os animais foram pesados e os pastos amostrados para a determinação de: taxa de acúmulo de forragem (TAF); massa de forragem; percentagens de folha (PF), colmo e material morto (PM); e valor nutritivo. O consumo de matéria seca (CMS) foi determinado uma vez a cada período. 'BRS Tupi' apresentou maiores TAF e PF e menor PM do que a 'Comum', durante o período das águas. O valor nutritivo, o CMS e o ganho médio diário foram semelhantes entre as duas cultivares. O conteúdo de proteína bruta da forragem – 6,0 e 5,0%, respectivamente, para os períodos das águas e seco – foi o principal fator limitante ao CMS. 'BRS Tupi' recebeu maior taxa de lotação e, consequentemente, possibilitou maior ganho de peso vivo por área (192 kg ha‑1 por ano) do que a 'Comum' (126 kg ha‑1 por ano). A 'BRS Tupi' é uma boa alternativa para a diversificação de pastagens em solos de baixa fertilidade sujeitos a alagamento temporário.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraEMBRAPA, CNPQ, UNIPASTO, FUNDECTMartins, Clovis David MedeirosEuclides, Valéria Pacheco BatistaBarbosa, Rodrigo AmorimMontagner, Denise BaptaglinMiqueloto, Tiago2013-12-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/17678Pesquisa Agropecuaria Brasileira; v.48, n.10, out. 2013; 1402-1409Pesquisa Agropecuária Brasileira; v.48, n.10, out. 2013; 1402-14091678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/17678/12438https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/17678/10611info:eu-repo/semantics/openAccess2014-03-13T19:14:54Zoai:ojs.seer.sct.embrapa.br:article/17678Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-03-13T19:14:54Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking Consumo de forragem e desempenho animal em cultivares de Urochloa humidicola sob lotação contínua |
title |
Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking |
spellingShingle |
Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking Martins, Clovis David Medeiros Brachiaria humidicola; Urochloa humidicola; BRS Tupi; canopy structure; creeping signalgrass; stocking rate Brachiaria humidicola; Urochloa humidicola; BRS Tupi; estrutura do dossel; quicuio‑da‑Amazônia; taxa de lotação |
title_short |
Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking |
title_full |
Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking |
title_fullStr |
Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking |
title_full_unstemmed |
Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking |
title_sort |
Forage intake and animal performance in Urochloa humidicola cultivars under continuous stocking |
author |
Martins, Clovis David Medeiros |
author_facet |
Martins, Clovis David Medeiros Euclides, Valéria Pacheco Batista Barbosa, Rodrigo Amorim Montagner, Denise Baptaglin Miqueloto, Tiago |
author_role |
author |
author2 |
Euclides, Valéria Pacheco Batista Barbosa, Rodrigo Amorim Montagner, Denise Baptaglin Miqueloto, Tiago |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
EMBRAPA, CNPQ, UNIPASTO, FUNDECT |
dc.contributor.author.fl_str_mv |
Martins, Clovis David Medeiros Euclides, Valéria Pacheco Batista Barbosa, Rodrigo Amorim Montagner, Denise Baptaglin Miqueloto, Tiago |
dc.subject.por.fl_str_mv |
Brachiaria humidicola; Urochloa humidicola; BRS Tupi; canopy structure; creeping signalgrass; stocking rate Brachiaria humidicola; Urochloa humidicola; BRS Tupi; estrutura do dossel; quicuio‑da‑Amazônia; taxa de lotação |
topic |
Brachiaria humidicola; Urochloa humidicola; BRS Tupi; canopy structure; creeping signalgrass; stocking rate Brachiaria humidicola; Urochloa humidicola; BRS Tupi; estrutura do dossel; quicuio‑da‑Amazônia; taxa de lotação |
description |
The objective of this work was to evaluate forage accumulation, canopy structure, nutritive value, forage intake, and animal production in pastures of Urochloa humidicola under continuous stocking. The cultivars BRS Tupi and Comum were evaluated during the drought and wet periods (July 2011 to August 2012), in a randomized complete block experimental design, with two treatments and six replicates. Monthly, the animals were weighted and the pastures sampled for the determination of: forage accumulation rate (FAR); forage mass; percentages of leaves (PL), culms, and dead material (DL); and nutritive value. Forage intake (FI) was determined once a period. 'BRS Tupi' had a higher FAR, PL, and DL than 'Comum', during the wet period. The nutritive value, FI and the daily weight gain were similar between both cultivars. Forage protein content – 6.0 and 5.0%, for the wet and drought periods, respectively – was the main limiting factor for FI. 'BRS Tupi' had higher stocking rates and, consequently, made possible a higher live weight gain per area (192 kg ha‑1 per year) than 'Comum' (126 kg ha‑1 per year). 'BRS Tupi' is a good alternative for diversification of pastures in soils with low fertility that are temporarily subjected to flooding. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-12-20 |
dc.type.none.fl_str_mv |
|
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://seer.sct.embrapa.br/index.php/pab/article/view/17678 |
url |
https://seer.sct.embrapa.br/index.php/pab/article/view/17678 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://seer.sct.embrapa.br/index.php/pab/article/view/17678/12438 https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/17678/10611 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira |
publisher.none.fl_str_mv |
Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira |
dc.source.none.fl_str_mv |
Pesquisa Agropecuaria Brasileira; v.48, n.10, out. 2013; 1402-1409 Pesquisa Agropecuária Brasileira; v.48, n.10, out. 2013; 1402-1409 1678-3921 0100-104x reponame:Pesquisa Agropecuária Brasileira (Online) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Pesquisa Agropecuária Brasileira (Online) |
collection |
Pesquisa Agropecuária Brasileira (Online) |
repository.name.fl_str_mv |
Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
pab@sct.embrapa.br || sct.pab@embrapa.br |
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1793416685399572480 |