Fermentative profile and nutritional value of elephant grass silage with different levels of crude glycerin

Authors

  • João Paulo Sampaio Rigueira Universidade Estadual de Montes Claros
  • Flávio Pinto Monção Universidade Estadual de Montes Claros
  • Eleuza Clarete Junqueira de Sales Universidade Estadual de Montes Claros
  • Sidnei Tavares dos Reis Universidade Federal de Sergipe
  • Lara Maria Santos Brant Universidade Estadual de Montes Claros
  • Julieta Maria de Alencar Chamone Universidade Estadual de Montes Claros
  • Vicente Ribeiro Rocha Júnior Universidade Estadual de Montes Claros
  • Daniel Ananias de Assis Pires Universidade Estadual de Montes Claros

DOI:

https://doi.org/10.5433/1679-0359.2018v39n2p833

Keywords:

Silage, Glycerol, Grass, Pennisetum.

Abstract

This study aimed to evaluate the best level of inclusion of crude glycerin in elephant grass (Pennisetum purpureum Schum.) silage on fermentative profile, chemical composition and ruminal degradation of dry matter and fiber fraction in elephant grass silages. The experiment was conducted in a completely randomized design being used elephant grass cv. Napier with four levels of inclusion of glycerin (1, 5, 10, 15% in natural matter) with six repetitions and the control treatment (exclusive silage elephant grass). Increasing linear effect was observed for each unit added glycerin percentage in natural matter (MN) an increase of 0.36% in the DM content of silages and increase of 0.32% in the ether extract. The fermentative quality of silage there was no difference in pH between the control silage and added with glycerine, with an average of 3.91. The degradability of the fiber, the addition of crude glycerin up to 15% increased by 7.2%; 53.8% and 36.5%, respectively, the insoluble fraction, but potentially degradable standardized "bp", degradation rate of the fraction "bp", "c" and effective degradability, respectively. Inclusion of 15% glycerin in natural matter improves the composition bromatological fermentative profile and ruminal degradation of dry matter and fiber fraction.

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Author Biographies

João Paulo Sampaio Rigueira, Universidade Estadual de Montes Claros

Prof., Universidade Estadual de Montes Claros, UNIMONTES, Janaúba, MG, Brasil.

Flávio Pinto Monção, Universidade Estadual de Montes Claros

Pesquisador de Pós-Doutorado, UNIMONTES, Janaúba, MG, Brasil.

Eleuza Clarete Junqueira de Sales, Universidade Estadual de Montes Claros

Profa, Universidade Estadual de Montes Claros, UNIMONTES, Janaúba, MG, Brasil.

Sidnei Tavares dos Reis, Universidade Federal de Sergipe

Prof., Universidade Federal de Sergipe, UFSE, Sertão, SE, Brasil.

Lara Maria Santos Brant, Universidade Estadual de Montes Claros

M.e, em Zootecnia, UNIMONTES, Janaúba, MG, Brasil.

Julieta Maria de Alencar Chamone, Universidade Estadual de Montes Claros

Profa, Universidade Estadual de Montes Claros, UNIMONTES, Janaúba, MG, Brasil.

Vicente Ribeiro Rocha Júnior, Universidade Estadual de Montes Claros

Prof., Universidade Estadual de Montes Claros, UNIMONTES, Janaúba, MG, Brasil.

Daniel Ananias de Assis Pires, Universidade Estadual de Montes Claros

Prof., Universidade Estadual de Montes Claros, UNIMONTES, Janaúba, MG, Brasil.

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Published

2018-03-15

How to Cite

Rigueira, J. P. S., Monção, F. P., Sales, E. C. J. de, Reis, S. T. dos, Brant, L. M. S., Chamone, J. M. de A., Rocha Júnior, V. R., & Pires, D. A. de A. (2018). Fermentative profile and nutritional value of elephant grass silage with different levels of crude glycerin. Semina: Ciências Agrárias, 39(2), 833–844. https://doi.org/10.5433/1679-0359.2018v39n2p833

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