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Effects of oligosaccharides in soybean meal on performance of weanling pigs. Three experiments were conducted to determine whether removal
of oligosaccharides by ethanol extraction would enhance growth and performance
of weanling pigs. Pigs fed ethanol-extracted soybean meal had lower
daily feed intake and lower nitrogen retention than pigs fed diets containing
oligosaccharides. Adding oligosaccharides to a diet that contain no
soy protein had no effect on average daily gain or gain/feed. These
studies indicated that in contrast to poultry, the growth of weanling
pigs were not negatively impacted by the sucrose, raffinose and stachyose
normally present in soybean meal; however, the specific effects of the
individual oligosaccharides, raffinose and stachyose, were not determined.
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