Protein fraction, degradability and digestibility of pearl millet silage at different cutting ages

Autores

  • Katia Cylene Guimarães CEFETRV
  • Kátia Aparecida de Pinho Costa Instituto Federal Goiano
  • Alexsandra Paludo Instituto Federal Goiano
  • Nayara Fernandes dos Santos Instituto Federal Goiano
  • Robson Marcelo Rossi Universidade Estadual de Maringá
  • Welma Santos Cruvinel Instituto Federal Goiano

DOI:

https://doi.org/10.4025/actascianimsci.v36i1.21415

Palavras-chave:

ensilage, genotypes, nutritional value, Pennisetum glaucum (L.) R. BR., rumen fermentation

Resumo

The determination of protein fraction and rumen fermentation characteristics of pearl millet genotypes is important, since generate information about food nutritional value and also guide the breeding programs of genotypes to be used in diets of ruminants. The objective of this research was to determine the digestion rates of protein fractions, dry matter degradability and in vitro dry matter digestibility of silages from pearl millet genotypes produced at different cutting ages. The experiment was carried out on the Agronomy campus of theRioVerdeUniversityand on the Rio Verde campus of Goiano Federal Institute. The experimental design was randomized blocks with four replications in a 5 x 3 factorial arrangement, with five genotypes of millet: ARD 500, ADR 7010, LAB 0730, LAB 0731 and LAB 0732 and three cutting ages: 57, 65 and 73 days after sowing (DAS). The silage produced from pearl millet, regardless of genotype can be considered of good quality. The evaluated genotypes are considered early, so that the age that provided the best silage quality was 57 DAS. This age provided higher fractions A, lower fraction C and high degradability and digestibility.

 

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Biografia do Autor

  • Katia Cylene Guimarães, CEFETRV
    Programa de Pós-Graduação em Zootecnia do Instituto Federal Goiano, Campus Rio Verde
  • Kátia Aparecida de Pinho Costa, Instituto Federal Goiano
    Programa de Pós-Graduação em Zootecnia do Instituto Federal Goiano, Campus Rio Verde
  • Alexsandra Paludo, Instituto Federal Goiano
    Mestranda do Programa de Pós-Graduação em Zootecnia do Instituto Federal Goiano, Campus Rio Verde
  • Nayara Fernandes dos Santos, Instituto Federal Goiano
    Mestranda do Programa de Pós-Graduação em Zootecnia do Instituto Federal Goiano, Campus Rio Verde
  • Robson Marcelo Rossi, Universidade Estadual de Maringá
    Departamento de Estatística, Universidade Estadual de Maringá
  • Welma Santos Cruvinel, Instituto Federal Goiano
    Mestranda em Ciências Agrárias do Instituto Federal Goiano, Campus Rio Verde

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Publicado

2014-03-18

Edição

Seção

Forragicultura

Como Citar

Guimarães, K. C., Costa, K. A. de P., Paludo, A., Santos, N. F. dos, Rossi, R. M., & Cruvinel, W. S. (2014). Protein fraction, degradability and digestibility of pearl millet silage at different cutting ages . Acta Scientiarum. Animal Sciences, 36(1), 33-39. https://doi.org/10.4025/actascianimsci.v36i1.21415