The effects of soybean hulls and their particle size on growth performance and carcass characteristics of finishing pigs

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dc.contributor.author Goehring, D.L.
dc.contributor.author DeRouchey, Joel M.
dc.contributor.author Tokach, Michael D.
dc.contributor.author Goodband, Robert D.
dc.contributor.author Nelssen, Jim L.
dc.contributor.author Dritz, Steven S.
dc.date.accessioned 2012-11-28T16:21:58Z
dc.date.available 2012-11-28T16:21:58Z
dc.date.issued 2012-11-28
dc.identifier.uri http://hdl.handle.net/2097/15087
dc.description.abstract A total of 1,235 pigs (PIC 337 × 1050; initially 68.4 lb) were used in a 118-d study to determine the effects of 7.5 and 15% ground or unground soybean hulls on growth performance and carcass characteristics of finishing pigs raised in a commercial environment. Pens of pigs were balanced by initial weight and randomly allotted to 1 of 5 dietary treatments in a completely randomized design with 26 to 28 pigs per pen and 9 replications per treatment. Treatments were arranged in a 2 × 2 factorial, and main effects were soybean hull particle size (unground or ground, 787 and 370 μ, respectively) and amount of soybean hulls (7.5 or 15%) in corn-soybean meal–based diets. The fifth treatment was a positive control, a corn-soybean meal–based diet. No particle size × soybean hull interactions (P > 0.18) occurred. Overall (d 0 to 118), increasing soybean hulls, regardless of particle size, did not affect ADG but numerically increased (P = 0.11) ADFI, resulting in poorer (linear, P < 0.02) F/G. Although F/G became worse, increasing soybean hulls in the diet improved (linear, P < 0.002) caloric efficiency on an ME and NE basis, indicating that published energy values undervalue the energy content of soybean hulls. Unexpectedly, grinding soybean hulls to a lower particle size worsened F/G (P < 0.04) and caloric efficiencies (P < 0.03). en_US
dc.language.iso en_US en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 13-026-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 1074 en_US
dc.subject Swine en_US
dc.subject Finishing pig en_US
dc.subject Particle size en_US
dc.subject Soybean hulls en_US
dc.title The effects of soybean hulls and their particle size on growth performance and carcass characteristics of finishing pigs en_US
dc.type Conference paper en_US
dc.date.published 2012 en_US
dc.citation.epage 154 en_US
dc.citation.spage 148 en_US
dc.description.conference Swine Day, Manhattan, KS, November 15, 2012 en_US
dc.contributor.authoreid jderouch en_US
dc.contributor.authoreid dritz en_US
dc.contributor.authoreid mtokach en_US
dc.contributor.authoreid goodband en_US
dc.contributor.authoreid jnelssen en_US


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