• Feed Mill Management and Operation

  SBM

  Posted by Dr. Muhammad Ikram Sarwar on September 18, 2025 at 10:39 am

  What are the differences between solvent-extracted soybean meal (SBM) and expeller-pressed soybean meal in terms of processing methods, physical & chemical characteristics, and their impact on poultry performance?

  Muhammad Ahmad replied 7 months, 1 week ago 5 Members · 4 Replies
• 4 Replies

• 

  Muhammad Ahmad

  Member

  October 24, 2025 at 9:19 am

  Thanks

• 

  Amir Sohel

  Member

  October 22, 2025 at 1:25 pm

  Thanks Zeeshan

• 

  Md.Rejuan Hossain

  Member

  October 12, 2025 at 4:46 pm

  Solvent-extracted soybean meal (SBM) uses hexane to remove oil, resulting in a meal with higher protein and lower fat content, while expeller-pressed soybean meal is produced by mechanical pressure, leaving a higher residual oil content. The processing method affects the physical and chemical characteristics, with solvent-extracted SBM being the most common and benchmarked product. Expeller-pressed meal can sometimes show better performance, potentially due to higher amino acid digestibility, but improper heat during processing can negatively impact it.

• 

  Muhammad Zeeshan Asghar

  Member

  September 25, 2025 at 6:38 am

  The differences between solvent-extracted soybean meal (SBM) and expeller-pressed soybean meal primarily revolve around their processing methods, physical and chemical characteristics, and their effects on poultry performance. Here’s a detailed comparison:

  1. Processing Methods

  • Solvent-Extracted SBM:
    • Method: Uses a solvent (usually hexane) to extract oil from soybeans.
    • Steps: Soybeans are cleaned, flaked, and then treated with solvent to remove oil. The meal is then desolventized.
  • Expeller-Pressed SBM:
    • Method: Uses mechanical pressure to extract oil from soybeans.
    • Steps: Soybeans are cleaned and then mechanically pressed to extract oil, generating heat in the process.

  2. Physical & Chemical Characteristics

  • Solvent-Extracted SBM:

    • Oil Content: Lower residual oil content (typically around 1.5%).
    • Protein Content: Higher protein content (usually around 44-48%).
    • Amino Acid Profile: More consistent and higher quality due to less heat damage during processing.
    • Color and Texture: Generally lighter in color and finer texture.

  • Expeller-Pressed SBM:

    • Oil Content: Higher residual oil content (usually around 5-7%).
    • Protein Content: Slightly lower protein content (typically around 40-44%).
    • Amino Acid Profile: May have some heat damage leading to reduced amino acid availability.
    • Color and Texture: Darker color and coarser texture due to the mechanical processing.

  3. Impact on Poultry Performance

  • Solvent-Extracted SBM:

    • Growth Performance: Generally leads to better growth rates due to higher protein and better amino acid availability.
    • Feed Efficiency: More efficient feed conversion because of the higher quality protein.
    • Overall Health: May support better overall health in poultry due to improved nutrient profiles.

  • Expeller-Pressed SBM:

    • Growth Performance: While still effective, may result in slightly lower growth rates compared to solvent-extracted SBM.
    • Feed Efficiency: Feed conversion may be less efficient due to lower protein quality.
    • Overall Health: Can still be a valuable feed source, but potential heat damage may impact amino acid utilization.

  Conclusion

  In summary, while both types of soybean meal are valuable protein sources for poultry, solvent-extracted SBM generally offers higher protein content and better amino acid profiles, leading to improved growth performance and feed efficiency. Expeller-pressed SBM, while slightly less efficient, can still be a suitable alternative, particularly when cost considerations are taken into account.

Log In to Reply