Effects of diet protein source on starch digestion in cattle

  • Antonio Ferriani Branco UEM
  • Claudete Regina Alcalde UEM
  • Fábio José Maia UEM
  • Daniela Almeida Brito UEM
  • Kátia Cylene Guimarães UEM
  • Rosemeri Aparecida Ferreira UEM

Abstract

The effect of three protein sources, urea (UR), feather meal (FM) and corn gluten meal (CGM) on ruminal, intestinal and total starch digestion in cattle was evaluated. Three Holstein steers implanted with ruminal and duodenal cannulae, in a 3x3 Latin square design, were used. Protein source (p > 0.05) did not affect dry matter evaluations, chemical microbial composition and ruminal pH. UR diet showed highest ruminal ammonium production, followed by CGM and FM diets (P < 0.05). The apparent and true microbial efficiency was higher in CGM diet (P < 0.05) and identical to UR and FM diets. Protein source did not affect intestinal digestibility starch. Total digestibility coefficient (%) of starch failed to show any significant difference, albeit total digestion of starch (g/day) was higher (P < 0.05) in UR and FM diets.

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Author Biography

Antonio Ferriani Branco, UEM
Atualmente é Professor Associado A do Departamento de Zootecnia da Universidade Estadual de Maringá. Desenvolve projetos de pesquisa e extensão com bovinos, ovinos e caprinos, nas áreas de Avaliação de Alimentos, Metabolismo Porta-hepático, Nutrição Mineral e Produção de Bovinos de Corte. Currículo Lattes
Published
2008-05-09
How to Cite
Branco, A. F., Alcalde, C. R., Maia, F. J., Brito, D. A., Guimarães, K. C., & Ferreira, R. A. (2008). Effects of diet protein source on starch digestion in cattle. Acta Scientiarum. Animal Sciences, 23, 953-959. https://doi.org/10.4025/actascianimsci.v23i0.2651
Section
Animal Science

0.9
2019CiteScore
 
 
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