Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/22486 |
Resumo: | This study aimed to evaluate the effect of three herbage allowances (5, 10, and 15 kg dry matter [DM] 100-1 of body weight [BW]) for Brachiaria brizantha cv. Marandu pastures in a continuous grazing system on the morphological and nutritional characteristics of forage, animal performance, and economic viability in Nellore heifers. The total experimental area was 60 ha, divided into 12 paddocks of 5 ha each, with 4 paddocks per treatment. The experimental animals were Nellore heifers (260 in total), with average BW of 301.16 ± 9.12 kg, receiving 0.4 % BW in multiple supplements. We evaluated the production, structural characteristics, and nutritional value of the forage, productive performance, carcass characteristics, and economic viability of each allowance. There were significant effects for the production, st uctural characteristics, and nutritional value of the forage treatment. The proportions of leaves were 42.40, 38.20, and 30.88 % and the leaf:stem ratios were 1.22, 1.03, and 0.83 for the 5, 10, and 15 kg DM 100-1 BW herbage allowances, respectively. The average daily weight gain (mean 0.42, 0.75, and 0.63 kg daily-1) and stocking rate (3.35, 1.87, and 1.26 animal unit ha-1) had a significant effect for the 5, 10, and 15 kg DM 100-1 BW forage allowance, respectively. The herbage allowances were evaluated as being economically viable with a profit margin of 10.37, 23.65, and 14.43 % for the 5, 10, and 15 kg DM 100-1 BW allowances, respectively. The greatest pasture response was found in the 5 kg DM 100-1 BW allowance and was related to better nutritional values and morphological characteristics of the pasture and greater stoking rate and weight gain per area. The herbage allowance of 10 kg DM 100-1 BW be applied to obtain higher animal performance and better economic viability of heifers in B. brizantha cv. Marandu pastures in a continuous grazing method that are receiving protein-energy supplementation. |
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Semina. Ciências Agrárias (Online) |
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Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifersEfeitos da oferta de forragem sobre as características das pastagens de Brachiaria brizantha cv. Marandu e na produção e viabilidade econômica de novilhas NeloreAnimal performanceForage cropsProfitability marginUrochloa brizantha.Desempenho animalForragiculturaMargem de lucratividadeUrochloa brizantha.This study aimed to evaluate the effect of three herbage allowances (5, 10, and 15 kg dry matter [DM] 100-1 of body weight [BW]) for Brachiaria brizantha cv. Marandu pastures in a continuous grazing system on the morphological and nutritional characteristics of forage, animal performance, and economic viability in Nellore heifers. The total experimental area was 60 ha, divided into 12 paddocks of 5 ha each, with 4 paddocks per treatment. The experimental animals were Nellore heifers (260 in total), with average BW of 301.16 ± 9.12 kg, receiving 0.4 % BW in multiple supplements. We evaluated the production, structural characteristics, and nutritional value of the forage, productive performance, carcass characteristics, and economic viability of each allowance. There were significant effects for the production, st uctural characteristics, and nutritional value of the forage treatment. The proportions of leaves were 42.40, 38.20, and 30.88 % and the leaf:stem ratios were 1.22, 1.03, and 0.83 for the 5, 10, and 15 kg DM 100-1 BW herbage allowances, respectively. The average daily weight gain (mean 0.42, 0.75, and 0.63 kg daily-1) and stocking rate (3.35, 1.87, and 1.26 animal unit ha-1) had a significant effect for the 5, 10, and 15 kg DM 100-1 BW forage allowance, respectively. The herbage allowances were evaluated as being economically viable with a profit margin of 10.37, 23.65, and 14.43 % for the 5, 10, and 15 kg DM 100-1 BW allowances, respectively. The greatest pasture response was found in the 5 kg DM 100-1 BW allowance and was related to better nutritional values and morphological characteristics of the pasture and greater stoking rate and weight gain per area. The herbage allowance of 10 kg DM 100-1 BW be applied to obtain higher animal performance and better economic viability of heifers in B. brizantha cv. Marandu pastures in a continuous grazing method that are receiving protein-energy supplementation.Objetivou-se avaliar o efeito de três ofertas de forragem (5, 10 e 15 kg de matéria seca [MS] 100-1 de peso corporal [PC]) em pastos de capim Brachiaria brizantha cv. Marandu em método de pastejo continuo, sobre as características morfológicas e nutricionais da forragem, desempenho animal e a viabilidade econômica de novilhas Nelore. A área experimental foi de 60 hectares (ha), divididas em 12 piquetes com 5,0 ha cada, sendo quatro piquetes por tratamento. Foram utilizadas 260 novilhas Nelore, com PC médio inicial de 301,16 ± 9,12 kg, recebendo 0,4 % do PC de suplemento múltiplo. Foram avaliados a produção, características estruturais e valor nutricional da forragem, desempenho produtivo, características de carcaça e a viabilidade econômica das ofertas. Houve efeito significativo para a produção, características estruturais e valor nutricional da forragem. A proporção de folhas foi de 42,40; 38,20 e 30,88 % e a relação folha:colmo foi de 1,22; 1,03 e 0,83 para as ofertas de 5, 10 e 15 kg de MS, respectivamente. O ganho médio diário e taxa de lotação apresentou efeito significativo apresentando médias de 0,42; 0,75 e 0,63 kg dia-1 e 3,35; 1,87 e 1,26 UA ha-1 para as ofertas de forragem 5, 10 e 15 kg de MS, respectivamente. As ofertas avaliadas foram economicamente viáveis apresentando margem de lucratividade de 10,37; 23,65 e 14,43 % para as ofertas com 5, 10 e 15 kg de MS 100-1 de peso corporal, respectivamente. A oferta de forragem de 5 kg de MS 100-1 PC proporcionou melhor valor nutricional e características morfológicas das pastagens, levando ao aumento da taxa de lotação e maior ganho de peso por hectare. A oferta de forragem de 10 kg MS 100-1 PC proporcionou maior desempenho animal e melhor viabilidade econômica de novilhas em pastagens B. brizantha cv. Marandu em método de pastejo contínuo recebendo suplementação proteico-energética.UEL2016-09-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2248610.5433/1679-0359.2016v37n4Supl1p2301Semina: Ciências Agrárias; Vol. 37 No. 4Supl1 (2016); 2301-2312Semina: Ciências Agrárias; v. 37 n. 4Supl1 (2016); 2301-23121679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELenghttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/22486/19578http://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessDias, Alexandre MenezesGomes, Eva Nara OliveiraÍtavo, Luís Carlos VinhasAranha, José Aparecido MouraÍtavo, Camila Celeste Brandão FerreiraNogueira, ÉriklisSilva, Fabiano Ferreira daJunges, Luciana2022-11-30T14:50:12Zoai:ojs.pkp.sfu.ca:article/22486Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2022-11-30T14:50:12Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers Efeitos da oferta de forragem sobre as características das pastagens de Brachiaria brizantha cv. Marandu e na produção e viabilidade econômica de novilhas Nelore |
title |
Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers |
spellingShingle |
Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers Dias, Alexandre Menezes Animal performance Forage crops Profitability margin Urochloa brizantha. Desempenho animal Forragicultura Margem de lucratividade Urochloa brizantha. |
title_short |
Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers |
title_full |
Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers |
title_fullStr |
Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers |
title_full_unstemmed |
Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers |
title_sort |
Herbage allowance effects on the characteristics of Brachiaria brizantha cv. Marandu pastures and the production and economic viability of Nellore heifers |
author |
Dias, Alexandre Menezes |
author_facet |
Dias, Alexandre Menezes Gomes, Eva Nara Oliveira Ítavo, Luís Carlos Vinhas Aranha, José Aparecido Moura Ítavo, Camila Celeste Brandão Ferreira Nogueira, Ériklis Silva, Fabiano Ferreira da Junges, Luciana |
author_role |
author |
author2 |
Gomes, Eva Nara Oliveira Ítavo, Luís Carlos Vinhas Aranha, José Aparecido Moura Ítavo, Camila Celeste Brandão Ferreira Nogueira, Ériklis Silva, Fabiano Ferreira da Junges, Luciana |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Dias, Alexandre Menezes Gomes, Eva Nara Oliveira Ítavo, Luís Carlos Vinhas Aranha, José Aparecido Moura Ítavo, Camila Celeste Brandão Ferreira Nogueira, Ériklis Silva, Fabiano Ferreira da Junges, Luciana |
dc.subject.por.fl_str_mv |
Animal performance Forage crops Profitability margin Urochloa brizantha. Desempenho animal Forragicultura Margem de lucratividade Urochloa brizantha. |
topic |
Animal performance Forage crops Profitability margin Urochloa brizantha. Desempenho animal Forragicultura Margem de lucratividade Urochloa brizantha. |
description |
This study aimed to evaluate the effect of three herbage allowances (5, 10, and 15 kg dry matter [DM] 100-1 of body weight [BW]) for Brachiaria brizantha cv. Marandu pastures in a continuous grazing system on the morphological and nutritional characteristics of forage, animal performance, and economic viability in Nellore heifers. The total experimental area was 60 ha, divided into 12 paddocks of 5 ha each, with 4 paddocks per treatment. The experimental animals were Nellore heifers (260 in total), with average BW of 301.16 ± 9.12 kg, receiving 0.4 % BW in multiple supplements. We evaluated the production, structural characteristics, and nutritional value of the forage, productive performance, carcass characteristics, and economic viability of each allowance. There were significant effects for the production, st uctural characteristics, and nutritional value of the forage treatment. The proportions of leaves were 42.40, 38.20, and 30.88 % and the leaf:stem ratios were 1.22, 1.03, and 0.83 for the 5, 10, and 15 kg DM 100-1 BW herbage allowances, respectively. The average daily weight gain (mean 0.42, 0.75, and 0.63 kg daily-1) and stocking rate (3.35, 1.87, and 1.26 animal unit ha-1) had a significant effect for the 5, 10, and 15 kg DM 100-1 BW forage allowance, respectively. The herbage allowances were evaluated as being economically viable with a profit margin of 10.37, 23.65, and 14.43 % for the 5, 10, and 15 kg DM 100-1 BW allowances, respectively. The greatest pasture response was found in the 5 kg DM 100-1 BW allowance and was related to better nutritional values and morphological characteristics of the pasture and greater stoking rate and weight gain per area. The herbage allowance of 10 kg DM 100-1 BW be applied to obtain higher animal performance and better economic viability of heifers in B. brizantha cv. Marandu pastures in a continuous grazing method that are receiving protein-energy supplementation. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-09-02 |
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://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/22486 10.5433/1679-0359.2016v37n4Supl1p2301 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/22486 |
identifier_str_mv |
10.5433/1679-0359.2016v37n4Supl1p2301 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/22486/19578 |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 37 No. 4Supl1 (2016); 2301-2312 Semina: Ciências Agrárias; v. 37 n. 4Supl1 (2016); 2301-2312 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306074458685440 |