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Effect of polyphenol-rich oil palm empty fruit bunch extract on in vitro rumen fermentation, fatty acid profile and microbial population

Author

Listed:
  • Nur Liyana Akmal Harun

    (Laboratory of Sustainable Animal Production and Biodiversity, Institute of Tropical Agriculture and Food Security, University Putra Malaysia, Serdang, Selangor, Malaysia)

  • Anjas Asmara Samsudin

    (Laboratory of Sustainable Animal Production and Biodiversity, Institute of Tropical Agriculture and Food Security, University Putra Malaysia, Serdang, Selangor, Malaysia
    Department of Animal Science, Faculty of Agriculture, University Putra Malaysia, Serdang, Selangor, Malaysia)

  • Awis Qurni Sazili

    (Department of Animal Science, Faculty of Agriculture, University Putra Malaysia, Serdang, Selangor, Malaysia
    Halal Products Research Institute, University Putra Malaysia, Putra Infoport, Serdang, Selangor, Malaysia)

  • Yong Meng Goh

    (Laboratory of Sustainable Animal Production and Biodiversity, Institute of Tropical Agriculture and Food Security, University Putra Malaysia, Serdang, Selangor, Malaysia
    Department of Veterinary Preclinical Science, Faculty of Veterinary Medicine, University Putra Malaysia, Serdang, Selangor, Malaysia)

Abstract

The aim of this study was to evaluate the effect of oil palm empty fruit bunch (OPEFB) extract on in vitro rumen fermentation, fatty acid profile, and microbial population. Rumen fluid was obtained from three female dairy goats fed a similar diet of 60% Napier grass and 40% commercial pellets. The substrate used for the fermentation was a Napier grass and commercial pellet mixture (60 : 40 in dry matter) and the treatment diets were: CON (substrate without OPEFB extract), OPEFB-5 (substrate with 5% of OPEFB extract), OPEFB-10 (substrate with 10% of OPEFB extract). The characteristics of rumen fermentation including pH, fermentation kinetics, total gas production, volatile fatty acid (VFA) production, fatty acid (FA) production, and microbial populations were examined. Results showed that OPEFB supplementation decreased rumen acetate concentration, increased isoacid concentrations as well as palmitic acid concentration. Meanwhile, the population of total bacteria, protozoa, and B. fibrisolvens decreased with the OPEFB supplementation. OPEFB-5 resulted in a moderate amount of acetate, isobutyrate, isovalerate concentration, insoluble fraction of gas production (but degradable), estimated potential gas production as well as B. fibrisolvens population when compared with the control and OPEFB-10 diet. Therefore it is suggested that the supplementation of OPEFB extract at 5% is suitable and practical to be used in ruminant feed without causing an imperative effect on rumen fermentation.

Suggested Citation

  • Nur Liyana Akmal Harun & Anjas Asmara Samsudin & Awis Qurni Sazili & Yong Meng Goh, 2025. "Effect of polyphenol-rich oil palm empty fruit bunch extract on in vitro rumen fermentation, fatty acid profile and microbial population," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 70(5), pages 161-172.
    • Handle: RePEc:caa:jnlcjs:v:70:y:2025:i:5:id:180-2024-cjas
    DOI: 10.17221/180/2024-CJAS
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