Propolis extract in the diet of crossbred (½ Angus vs. ½ Nellore) bulls finished in feedlot: animal performance, feed efficiency and carcass characteristics

Autores

  • Maribel Velandia Valero Universidade Estadual de Maringá
  • Lúcia Maria Zeoula Universidade Estadual de Maringá
  • Lucimar Pontara Peres Moura Universidade Estadual de Maringá
  • João Batista Gonçalves Costa Júnior Universidade Estadual de Maringá
  • Bruna Bonini Sestari Universidade Estadual de Maringá
  • Ivanor Nunes do Prado UEM

DOI:

https://doi.org/10.5433/1679-0359.2015v36n2p1067

Palavras-chave:

Cattle, Carcass quality, Ionophores, Natural additives.

Resumo

Current research studied the replacement of monensin by propolis on performance, feed efficiency and carcass characteristic of bulls finished in feedlot. The bulls, kept in feedlot for 70 days, were allocated in three diets: Control (CON), Monensin (MON) and Propolis (PRO). They were fed on corn silage, cracked corn, soybean meal, urea, limestone and mineral salt. Further, 250 mg monensin and 35 g propolis/bulls/day were included respectively in the MON and PRO diets. Animal performance and carcass characteristics were similar (P>0.05) among diets. Feed intake was higher (P<0.05) for bulls fed on CON (9.17 kg/day) and PRO (9.31 kg/day) diets. Dry, organic matter and carbohydrates digestibility was similar (P<0.05) among the three diets. Protein digestibility was lower (P<0.05) for bulls fed on CON (55.3%) diet and similar for MON (62.3%) and PRO (59.8%) diets. Ether extract digestibility was higher (P<0.05) for bulls fed on PRO (84.6%) diet and lower for bulls fed on CON (73.4%) diet, with MON (80.7%) diet as intermediate. The addition of monensin or propolis did not affect (P>0.05) urinary excretion, microbial synthesis and carcass characteristics.

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Biografia do Autor

Maribel Velandia Valero, Universidade Estadual de Maringá

Discente de Pós-Doutorado, Curso do Programa de Pós Graduação em Zootecnia, Universidade Estadual de Maringá, UEM, Maringá, PR, Brasil.

Lúcia Maria Zeoula, Universidade Estadual de Maringá

PhD Profª, Deptº de Zootecnia, UEM, Maringá, PR, Brasil.

Lucimar Pontara Peres Moura, Universidade Estadual de Maringá

PhD Profª, Deptº de Zootecnia, UEM, Maringá, PR, Brasil.

João Batista Gonçalves Costa Júnior, Universidade Estadual de Maringá

Discente de Pós-Doutorado, Curso do Programa de Pós Graduação em Zootecnia, Universidade Estadual de Maringá, UEM, Maringá, PR, Brasil.

Bruna Bonini Sestari, Universidade Estadual de Maringá

Discente do Curso de Doutorado, UEM, Londrina, PR, Brasil.

Ivanor Nunes do Prado, UEM

Professor titular da Universidade Estadual de Maringá, Departamento de Zootecnia.

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Publicado

2015-04-22

Como Citar

Valero, M. V., Zeoula, L. M., Moura, L. P. P., Costa Júnior, J. B. G., Sestari, B. B., & Prado, I. N. do. (2015). Propolis extract in the diet of crossbred (½ Angus vs. ½ Nellore) bulls finished in feedlot: animal performance, feed efficiency and carcass characteristics. Semina: Ciências Agrárias, 36(2), 1067–1078. https://doi.org/10.5433/1679-0359.2015v36n2p1067

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