2006
DOI: 10.2527/2006.844843x
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Effects of guar gum and cellulose on digesta passage rate, ileal microbial populations, energy and protein digestibility, and performance of grower pigs1,2

Abstract: Dietary guar gum and cellulose were studied as purified soluble and insoluble nonstarch polysaccharide (NSP) sources, respectively. A control diet containing 14% cornstarch was formulated. A 7% guar gum, a 7% cellulose, and a 7% guar gum + 7% cellulose diet were formulated by adding the NSP to the control diet at the expense of cornstarch (wt/wt), forming a 2 x 2 factorial arrangement. The objectives were to determine whether guar gum and cellulose altered 1) the passage rate of digesta through the small intes… Show more

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Cited by 166 publications
(136 citation statements)
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“…The KF diet has very high viscosity (Table 1). Previous research has demonstrated that dietary fiber increases digesta viscosity in both piglets and poultry thus reduces nutrient digestibility (Bedford, 1996;Owusu-Asiedu et al, 2006). The effects of KF on nutrient digestibility were measured in the present study.…”
Section: Discussionmentioning
confidence: 77%
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“…The KF diet has very high viscosity (Table 1). Previous research has demonstrated that dietary fiber increases digesta viscosity in both piglets and poultry thus reduces nutrient digestibility (Bedford, 1996;Owusu-Asiedu et al, 2006). The effects of KF on nutrient digestibility were measured in the present study.…”
Section: Discussionmentioning
confidence: 77%
“…Fiber fermentability is involved in the long-term feeling of satiety (De Leeuw et al, 2004). KGM also has very strong viscosity, which modifies the digesta passage rate and thereby reduces nutrient digestibility in the small intestine of chickens and piglets (Bedford, 1996;Owusu-Asiedu et al, 2006). Therefore, we aimed to investigate the effects of KF inclusion in gestation diets on the nutrient digestibility, lactation feed intake and reproductive performance of sows.…”
Section: Introductionmentioning
confidence: 99%
“…The fibre is not digested by porcine enzymes but is instead fermented by the microbial community in the distal small and large intestine. The amount of viscosity may have an impact on the amount of fermentation, because non-viscous fibre may increase digesta passage rate and reduce small-intestinal digestibility, and thus partly shifts enzymatic digestion to microbial fermentation (1) . Similarly, an interaction of viscosity and fermentability affected most of the variables related to digestion and digesta characteristics.…”
Section: Discussionmentioning
confidence: 99%
“…Viscosity as related to dietary fibre refers to the ability to thicken or form gels when mixed with fluids resulting from physical entanglements among the fibre within the fluid (2) . Increased digesta viscosity after feeding soluble fibre such as guar gum, rye and pectin decreased nutrient digestibility in pigs (1,7) . In contrast, very-high-viscous carboxymethylcellulose improved crude protein digestibility in weaned pigs (21) .…”
Section: Discussionmentioning
confidence: 99%
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