Yoon

Energy concentration of high-protein, low-oligosaccharide, and conventional full fat de-hulled soybeans fed to growing pigs

Yoon, J. and H. H. Stein. 2013. Energy concentration of high-protein, low-oligosaccharide, and conventional full fat de-hulled soybeans fed to growing pigs. Anim. Feed Sci. Technol. 184:105-109. Link to full text (.pdf)

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Amino acid digestibility and energy concentration in conventional, high protein, and low oligosaccharide varieties of full fat soybeans fed to growing pigs

Yoon, J. and H. H. Stein. 2012. Amino acid digestibility and energy concentration in conventional, high protein, and low oligosaccharide varieties of full fat soybeans fed to growing pigs. J. Anim. Sci. 90(E-Suppl. 2):49 (Abstr.) Link to abstract (.pdf)

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Energy concentration and amino acid digestibility of high protein, low oligosaccharide, and conventional full fat soybeans fed to growing pigs

Soybean meal is the most commonly used protein source in swine diets in the United States. In addition to conventional soybeans, researchers have bred varieties of soybeans to meet various nutritional needs of pigs. For example, soybeans low in oligosaccharides have been developed for feeding to weanling pigs, who cannot digest the oligosaccharides in conventional soybeans and may suffer reduced performance and even illness as a result. High protein soybean varieties have also been developed.

Existing information on the nutritional value of high protein and low oligosaccharides soybean varieties in swine diets is incomplete. There is no difference in digestible energy, metabolizable energy, or digestibility of crude protein and amino acids between non-dehulled high protein full fat soybeans (FFSB-HP) and non-dehulled conventional full fat soybeans (FFSB-CV). There are, however, no data on the digestibility of protein, amino acids, and energy in dehulled FFSB-HP, although most soybeans are de-hulled prior to being used in diets fed to pigs. Similarly, there is no difference in digestible and metabolizable energy or amino acid digestibility between soybean meals produced from low oligosaccharide soybeans and conventional varieties, but there are no data on values for low oligosaccharide full fat soybeans (FFSB-LO).Therefore, two experiments were conducted to determine standardized ileal digestibility (SID) of amino acids as well as values for digestible and metabolizable energy in de-hulled conventional, high protein, and low oligosaccharide full fat soybeans.

 

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