Sodium monensin or propolis extract in the diet of Nellore bulls finished in feedlot: chemical composition and fatty acid profile of Longissimus muscle

Autores

  • Fernando Zawadzki Universidade Estadual de Maringá
  • Ivanor Nunes Prado Universidade Estadual de Maringá
  • Jair de Araújo Marques Universidade Federal do Recôncavo da Bahia
  • Lúcia Maria Zeoula Universidade Estadual de Maringá
  • Rodolpho Martin do Prado Universidade Estadual de Maringá
  • Carlos Alberto Fugita Universidade Estadual de Maringá
  • Maribel Velandia Valero Universidade Estadual de Maringá
  • Daniele Maggioni Universidade Estadual de Maringá

DOI:

https://doi.org/10.5433/1679-0359.2011v32n4p1627

Palavras-chave:

Additives, CLA, Cholesterol, Meat quality, Ruminant.

Resumo

This work was carried out to evaluate the chemical composition and fatty acid profile of Longissimus muscle of 33 Nellore bulls with 27 months old and initial average weight of 402 ± 7.58 kg finished in feedlot. Three treatments (Control – CON, Monensin – MON and Propolis extract – PRO) were evaluated. The animals were kept in feedlot during 84 days and slaughtered with final average weight with 488 ± 24.9 kg. The addition of additives (monensin or propolis extract) did not influence (P > 0.10) the chemical composition of Longissimus muscle of bulls. Saturated fatty acid (SFA) did not have difference (P > 0.10) among treatments. Monounsaturated fatty acids (MUFA) have difference (P < 0.01) among treatments. The highest value was observed in CON treatment (47.0%). There is also difference (P < 0.01) among treatments for polyunsaturated fatty acids (PUFA). Bulls of MON (9.92%) treatment obtained highest (P < 0.01) value for PUFA. Bulls of CON (6.74%) and PRO (6.93%) have lowest (P < 0.01) values for PUFA.

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Biografia do Autor

Fernando Zawadzki, Universidade Estadual de Maringá

Post-Graduate student. Department of Animal Science. State University of Maringá, UEM.

Ivanor Nunes Prado, Universidade Estadual de Maringá

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

Jair de Araújo Marques, Universidade Federal do Recôncavo da Bahia

Prof., Department of Animal Science. Federal University of Recôncavo of Bahia, Brazil.

Lúcia Maria Zeoula, Universidade Estadual de Maringá

Ph D Prof., Department of Animal Science. State University of Maringa, UEM.

Rodolpho Martin do Prado, Universidade Estadual de Maringá

Post-Graduate student, Department of Animal Science. State University of Maringá, UEM.

Carlos Alberto Fugita, Universidade Estadual de Maringá

Post-Graduate student, Department of Animal Science. State University of Maringá, UEM.

Maribel Velandia Valero, Universidade Estadual de Maringá

Post-Graduate student, Department of Animal Science. State University of Maringá, UEM.

Daniele Maggioni, Universidade Estadual de Maringá

Post-Graduate student, Department of Animal Science. State University of Maringá, UEM.

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Publicado

2011-10-17

Como Citar

Zawadzki, F., Prado, I. N., Marques, J. de A., Zeoula, L. M., Prado, R. M. do, Fugita, C. A., Valero, M. V., & Maggioni, D. (2011). Sodium monensin or propolis extract in the diet of Nellore bulls finished in feedlot: chemical composition and fatty acid profile of Longissimus muscle. Semina: Ciências Agrárias, 32(4), 1627–1636. https://doi.org/10.5433/1679-0359.2011v32n4p1627

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