Abstract
An experiment to assess the influence of commercially available infant formulas on characteristics of feces in a weanling piglet model was conducted. Seven commercial infant formulas [whey, whey + α-lactalbumin ®, whey + α-lactalbumin + oligofructose, whey + GOS + polyfructose, whey protein concentrate 1 (with 27.3% acid hydrolyzed fat), whey protein concentrate 2 (with 29.4% acid hydrolyzed fat), and enzymatically hydrolyzed whey protein concentrate] were offered to weanling piglets ad libitum for 14 d. Fecal attributes that were assessed include: consistency, color, odor, dry matter, organic matter, pH, biogenic amines, short- and branched-chain fatty acids, phenols, indoles, and ammonia. Overall, there were very few differences among treatment groups in fecal attributes assessed. Minor differences in the concentrations of fecal acetate, valerate, putrescine, and cadaverine were observed in piglets fed GOS + polyfructose-containing formula. However, stool consistency, score, odor, pH, ammonia, phenols, and indoles were similar among treatment groups. Diet had an effect on fecal dry matter percentage, organic matter percentage, color, and 4 week body weights of the piglets. The results obtained in this experiment demonstrate that healthy gut function is prevalent in weanling piglets consuming the experimental treatments.
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