Comparison of conventional and low-inhibitor soybeans with different heat treatments and lysine concentrations in diets for finishing pigs

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dc.contributor.author Giesemann, M.A.
dc.contributor.author Healy, B.J.
dc.contributor.author Lewis, A.J.
dc.contributor.author Hancock, Joe D.
dc.date.accessioned 2010-04-02T17:09:49Z
dc.date.available 2010-04-02T17:09:49Z
dc.date.issued 2010-04-02T17:09:49Z
dc.identifier.uri http://hdl.handle.net/2097/3479
dc.description.abstract Two experiments were conducted to determine the effects of gene expression for the Kunitz trypsin inhibitor, heat treatment, and concentration of lysine in the diet on nutritional value of soybeans for finishing pigs. In Experiment 1, 108 pigs (113 lb avg initial wt) were fed diets with two soybean cultivars (Williams 82 and Amsoy 71), with (+K) and without (-K) gene expression for the Kunitz trypsin inhibitor, subjected to three heat treatments (1/2-, 3/4-, and full-roasting). Nutritional value of the Williams 82 and Amsoy 71 cultivars was not different, but -K soybeans were superior to +K soybeans at all levels of heat treatment. Results indicated that full-roasted -K soybeans were of the greatest nutritional value, and 3/4-roasted -K soybeans were of equal nutritional value to full-roasted +K soybeans. In Experiment 2, Amsoy 71 soybeans (+K and -K) were fed raw and extruded, at 80 and 110% of the lysine concentration recommended by the NRC. Growth performance was improved by feeding the -K vs +K, extruded vs raw, and 110 vs 80% treatments. Additionally, the -K soybeans supported greater performance than +K soybeans, even when both were fully processed and fed in diets above the lysine requirement for finishing pigs. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine day, 1991 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 92-193-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 641 en_US
dc.subject Swine en_US
dc.subject GF en_US
dc.subject Process en_US
dc.subject Soybeans en_US
dc.subject Trypsin inhibitors en_US
dc.subject Lysine en_US
dc.title Comparison of conventional and low-inhibitor soybeans with different heat treatments and lysine concentrations in diets for finishing pigs en_US
dc.type Conference paper en_US
dc.date.published 1991 en_US
dc.citation.epage 91 en_US
dc.citation.spage 88 en_US
dc.description.conference Swine Day, Manhattan, KS, November 21. 1991 en_US
dc.contributor.authoreid jhancock en_US


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