<b> <i>In situ</i> degradability of dry matter and fibrous fraction of sorghum silage

  • Renê Ferreira Costa Universidade Estadual de Montes Claros
  • Daniel Ananias de Assis Pires Universidade Estadual de Montes Claros
  • Marielly Maria Almeida Moura Universidade Estadual de Montes Claros
  • José Avelino Santos Rodrigues Empresa Brasileira de Pesquisa Agropecuária
  • Vicente Ribeiro Rocha Júnior Universidade Estadual de Montes Claros
  • Daniella Cangussú Tolentino Universidade Estadual de Montes Claros
Palavras-chave: preserved food, forage, tannin, nutritional value

Resumo

This study aimed to evaluate in situ degradability and degradation kinetics of DM, NDF and ADF of silage, with or without tannin in the grains. Two isogenic lines of grain sorghum (CMS-XS 114 with tannin and CMS-XS 165 without tannin) and two sorghum hybrids (BR-700 dual purpose with tannin and BR-601 forage without tannin) were ensiled; dried and ground silage samples were placed in nylon bags and introduced through the fistulas. After incubation for 6, 12, 24, 48, 72 and 96 hours, bags were taken for subsequent analysis of fibrous fractions. The experimental design was completely randomized with 4 replicates and 4 treatments and means compared by Tukey’s test at 5% probability. As for the DM degradation rate, silage of CMSXS165without tannin was superior. Silages of genotypes BR700 and CMSXS 114 with tannin showed the highest values of indigestible ADF (59.54 and 43.09%). Regarding the NDF, the potential degradation of silage of CMSXS165 line without tannin was superior. Tannin can reduce ruminal degradability of the dry matter and fibrous fractions.

 

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Biografia do Autor

Renê Ferreira Costa, Universidade Estadual de Montes Claros
Mestrando em zootecnia, Unimontes, Departamento de Ciências Agrárias
Daniel Ananias de Assis Pires, Universidade Estadual de Montes Claros
Professor da Universidade Estadual de Montes Claros, Departamento de Ciências Agrárias
José Avelino Santos Rodrigues, Empresa Brasileira de Pesquisa Agropecuária
Pesquisador da Embrapa Milho e Sorgo, Sete Lagoas-MG
Vicente Ribeiro Rocha Júnior, Universidade Estadual de Montes Claros
Professor da Universidade Estadual de Montes Claros, Departamento de Ciências Agrárias
Daniella Cangussú Tolentino, Universidade Estadual de Montes Claros
Mestre em zootecnia, Unimontes, Departamento de Ciências Agrárias
Publicado
2016-05-19
Como Citar
Costa, R. F., Pires, D. A. de A., Moura, M. M. A., Rodrigues, J. A. S., Rocha Júnior, V. R., & Tolentino, D. C. (2016). <b> <i>In situ</i&gt; degradability of dry matter and fibrous fraction of sorghum silage. Acta Scientiarum. Animal Sciences, 38(2), 171-176. https://doi.org/10.4025/actascianimsci.v38i2.29576
Seção
Nutrição de Ruminantes

0.9
2019CiteScore
 
 
29th percentile
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