09 Mar 2022

Effects of soybean meal processing on broiler performance

Soybean meal is considered one of the main ingredients for animal nutrition, due to the lower production capacity in some countries, the imported soybean meal is commonly used as a protein component in poultry diets.

Soybean meal is considered one of the main ingredients for animal nutrition, due to the lower production capacity in some countries, the imported soybean meal is commonly used as a protein component in poultry diets. During the last years, feed producers have been improving the technical potential of the thermal process of the domestic soybean seeds. As a result, there are different by-products that could be formulated in animal nutrition such as:

  • Soybean meal (from dehulled seeds, with different particle size, extracted, expelled),
  • Soybean expeller cake,
  • Soybean oil,
  • Extruded full-fat soybean,
  • Isolated soybean protein, and
  • Soybean hull

 

All these products have different nutrient contents and thus can be fed to different species of animals.

The use of soybean products is limited by the presence of anti-nutrients, mainly inhibitors of proteolytic enzymes such as trypsin and chymotrypsin.

For that reason, a recent study "aimed to determine the overall effect of replacing soybean meal completely with soybean expeller cake or extruded full-fat soybean in feed rations for broiler chickens on their carcass composition and meat quality". 

The variables evaluated included:

 

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Materials and methods

Experimental design: A total of 120 Ross 308 broiler chickens were randomly placed into three equinumerous groups:

Soybean meal (SBM)

Soybean expeller cake (SEC)

Extruded full-fat soybean (EFS)

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