2014
DOI: 10.5713/ajas.14.0001r
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Characterization of Dietary Energy in Swine Feed and Feed Ingredients: A Review of Recent Research Results

Abstract: Feed is single most expensive input in commercial pork production representing more than 50% of the total cost of production. The greatest proportion of this cost is associated with the energy component, thus making energy the most important dietary in terms of cost. For efficient pork production, it is imperative that diets are formulated to accurately match dietary energy supply to requirements for maintenance and productive functions. To achieve this goal, it is critical that the energy value of feeds is pr… Show more

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Cited by 48 publications
(46 citation statements)
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“…Considering the high energy concentration and low fiber content of commercial pig diets, it is expected that the main turnover of these diets takes place in the proximal parts of the gut [30,31]. Accordingly, the composition of the intestinal content, which remains after passing the proximal intestine, is likely to be of limited complexity regarding microbially digestible material, thereby affecting the microbial colonization and diversity in the ileum and caecum.…”
Section: Discussionmentioning
confidence: 99%
“…Considering the high energy concentration and low fiber content of commercial pig diets, it is expected that the main turnover of these diets takes place in the proximal parts of the gut [30,31]. Accordingly, the composition of the intestinal content, which remains after passing the proximal intestine, is likely to be of limited complexity regarding microbially digestible material, thereby affecting the microbial colonization and diversity in the ileum and caecum.…”
Section: Discussionmentioning
confidence: 99%
“…Because energy is the single most expensive component of a pig diet, optimizing its utilization is critical for efficient pork production (Velayudhan et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Starch and fat were theoretically most displaced by targeting feed fermentable fibre, which was demonstrated in the HF/LF diets. Given the high fibre, dietary energy should ideally be quantified in net energy terms to accommodate fibre-specific energy wastage (Noblet & Le Goff., 2001;De Lange et al, 2010;Gao et al, 2015;Velayudhan et al, 2015). Similarly, a truly digestible essential amino acid approach accounts for fibrespecific endogenous amino acid wastage (Zhu et al, 2005;Libao-Mercado et al, 2006;, and for the trade-off between fermentative loss (Columbus et al 2010), and microbial synthesized digestible amino acids (Torrallardona et al, 2003;Zhu et al, 2005;Libao-Mercado et al, 2009).…”
Section: Discussionmentioning
confidence: 99%