The effect of supplements with protein and mineral salt on growing and finishing steers' performance

  • Ivanor Nunes do Prado UEM
  • Fernanda Barros Moreira UEL
  • Ulysses Cecato UEM
  • Nilson Evelázio de Souza UEM
  • Fábio Yoshimi Wada UEM
  • Willian Gonçalves do Nascimento UEM
DOI: https://doi.org/10.4025/actascianimsci.v24i0.2526

Abstract

The objective of this work was to evaluate during November and January the effect of supplements with protein and mineral salt compared with mineral salt on growing and finishing steers performance and evaluate the chemical composition, and in vitro dry matter digestibility of star grass (Cynodon plectostachyrus Pilger). Thirty-six steers and 2 pastures of star grass were used. The average daily intake of mineral salt and protein mineral salt was 75 and 230g per animal a day. There was no difference (p > 0,05) between the average daily gain (ADG) and the finishing weight. The ADG was 0.73 and 0.79kg per animal a day for growing steers and 0.72 and 0.61kg per animal a day for finishing steers, for mineral or protein mineral salt respectively. The average availability of forage was 3650 kg DM/ha. Leaf proportion reduced and stems proportion rose during experimental period. The levels of CP, ADF and IVDMD were 7.6%, 43.6% and 54.5%.

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Author Biography

Ivanor Nunes do Prado, UEM
Possui graduação em Zootecnia pela Universidade Estadual de Maringá (1978) , mestrado em Zootecnia pela Universidade Federal de Lavras (1980) , doutorado em Zootecnia pela Universite de Rennes I (1988) e pos-doutorado pela Institut Nationale de Recherches (1996) . Atualmente é professor titular da Universidade Estadual de Maringá, Revisor de periódico da Acta Scientiarum (UEM), Revisor de periódico da Semina. Ciências Agrárias, Revisor de periódico da Archivos de Zootecnia (Universidad de Córdoba), Revisor de periódico da Brazilian Archives of Biology and Technology, Revisor de periódico da Revista Brasileira de Zootecnia / Brazilian Journal of Animal Science, Revisor de periódico da Pesquisa Agropecuária Brasileira, Revisor de periódico da Ciência Rural, Revisor de periódico da Journal of Animal Science, Revisor de periódico da Canadian Journal of Animal Science, Revisor de periódico da Boletim de Indústria Animal, Revisor de periódico do Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Membro de corpo editorial da Acta Scientiarum (UEM) e Membro de corpo editorial da Revista Brasileira de Zootecnia / Brazilian Journal of Animal Science. Tem experiência na área de Zootecnia , com ênfase em Produção Animal. Atuando principalmente nos seguintes temas: ABSORÇÃO DE NUTRIENTES, ALEITAMENTO, ANTICORPOS, BEZERROS, SOJA e DIGESTIBILIDADE. Currículo Lattes
Published
2008-04-29
How to Cite
Prado, I. N. do, Moreira, F. B., Cecato, U., Souza, N. E. de, Wada, F. Y., & Nascimento, W. G. do. (2008). The effect of supplements with protein and mineral salt on growing and finishing steers’ performance. Acta Scientiarum. Animal Sciences, 24, 1059-1064. https://doi.org/10.4025/actascianimsci.v24i0.2526
Issue
Vol 24 (2002)
Section
Animal Science

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