Influence of Different Biological Treatments on Fermentation of Soyabean and Sunflower Meals

Document Type : Original Article

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Animal Production Department, Faculty of Agriculture, Ain Shams University, P.O. Box 68, Hadayek Shoubra 11241, Cairo, Egypt

Abstract

This study examines fermented soya bean (SBM) and sunflower meal (SFM) with three biological treatments: Aspergillus Oryza, Ruminococcus flavefaciens and Lactobacillus plantarum, as well as the effects of these treatments on chemical composition, cell wall constituents, in vitro dry matter disappearance (IVDMD), and enzyme activity of the fermented SBM and SFM. After 2 h of ruminal incubation, all biological treatments (fungi, Bacteria, fungi with Bacteria) improved the IVDMD for Fermented SBM compared to that of the control (19.47, 20.65 and 18.38%, respectively). The maximum improvement values of IVDMD for SBM were recorded after 4 h and 6 h of incubation for all treatments. In addition, SFM after 2 h of ruminal incubation with any examined biological treatment (fungi, Bacteria, fungi with Bacteria), the IVDMD values have improved compared to that of the control group. Moreover, enzyme activities (cellulase, amylase, xylanase, and protease) have increased in all treatments. It was determined that SSF with A. oryzae and Ruminococcus boosted the protein content and digestibility of soybean and sunflower meals.

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