The optimal true ileal digestible lysine requirement for 22 to 45 lb pigs

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dc.contributor.author Lenehan, N.A.
dc.contributor.author Usry, J.L.
dc.contributor.author Tokach, Michael D.
dc.contributor.author Goodband, Robert D.
dc.contributor.author Nelssen, Jim L.
dc.contributor.author DeRouchey, Joel M.
dc.contributor.author Dritz, Steven S.
dc.date.accessioned 2009-11-10T14:36:49Z
dc.date.available 2009-11-10T14:36:49Z
dc.date.issued 2009-11-10T14:36:49Z
dc.identifier.uri http://hdl.handle.net/2097/2117
dc.description.abstract A total of 1,440 pigs (initially 22.5 lb and 21 d after weaning) was used in a 21-d growth assay to determine the optimal lysine level to maximize growth performance of 22- to 45-lb pigs. Pigs were fed one of five dietary treatments with increasing dietary lysine (1.1, 1.2, 1.3, 1.4 and 1.5% true digestible lysine). All diets had the same soybean meal level with crystalline amino acids added to achieve the increasing lysine levels while maintaining a minimum ratio of all other amino acids to lysine. Average daily gain and feed efficiency improved linearly (P<0.01) with increasing dietary lysine. Although the response to lysine was linear (P<0.01), it would appear that pigs weighing between 22 and 45 lb require approximately 1.4% true digestible lysine (1.54% total lysine) to maximize growth performance. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine day, 2003 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 04-120-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 920 en_US
dc.subject Pigs en_US
dc.subject Lysine en_US
dc.subject Growth en_US
dc.subject Swine en_US
dc.title The optimal true ileal digestible lysine requirement for 22 to 45 lb pigs en_US
dc.type Conference paper en_US
dc.date.published 2003 en_US
dc.citation.epage 70 en_US
dc.citation.spage 67 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
dc.contributor.authoreid jderouch en_US

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