Influence of dietary tryptophan levels on the growth performance of segregated early-weaned pigs (10 to 20 lb)

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dc.contributor.author Loughmiller, J.A.
dc.contributor.author Knabe, D.A.
dc.contributor.author Hongtrakul, K.
dc.contributor.author O'Quinn, P.R.
dc.contributor.author Moser, S.
dc.contributor.author Smith, J.W.II
dc.contributor.author Nelssen, Jim L.
dc.contributor.author Goodband, Robert D.
dc.contributor.author Tokach, Michael D.
dc.date.accessioned 2010-03-02T16:22:48Z
dc.date.available 2010-03-02T16:22:48Z
dc.date.issued 2010-03-02T16:22:48Z
dc.identifier.uri http://hdl.handle.net/2097/2779
dc.description.abstract A total of 360 pigs (averaging 13 d of age and 9.4 lb) was used to determine the effects of increasing dietary tryptophan:lysine ratio on the growth performance of segregated early-weaned (SEW) pigs. Two apparent digestible lysine levels (1. 15 and 1.50 %) and six apparent digestible tryptophan: lysine ratios (12.5, 15, 17.5, 20, 22.5 and 25%) were fed from d 0 to 16 after weaning. Lysine x tryptophan interactions were observed for ADG and F/G. Increasing the tryptophan: lysine ratio in the low lysine diets improved ADG and F/G in a quadratic manner. Increasing the tryptophan level had no effect in the high lysine diets. Results of this trial indicate that optimal apparent digestible tryptophan: lysine ratio is approximately 15 %. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine day, 1997 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 98-142-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 795 en_US
dc.subject Swine en_US
dc.subject SEW pig en_US
dc.subject Tryptophan en_US
dc.subject Lysine en_US
dc.title Influence of dietary tryptophan levels on the growth performance of segregated early-weaned pigs (10 to 20 lb) en_US
dc.type Conference paper en_US
dc.date.published 1997 en_US
dc.citation.epage 47 en_US
dc.citation.spage 45 en_US
dc.description.conference Swine Day, Manhattan, KS, November 20, 1997 en_US
dc.contributor.authoreid jnelssen en_US
dc.contributor.authoreid goodband en_US
dc.contributor.authoreid mtokach en_US


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