Influence of L-carnitine on growth and plasma IGF-I from gilts harvested at three gestation lengths

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dc.contributor.author Brown, K.R.
dc.contributor.author Johnson, B.J.
dc.contributor.author Frantz, N.Z.
dc.contributor.author Gottlob, R.O.
dc.contributor.author Groesbeck, C.N.
dc.contributor.author Hastad, C.W.
dc.contributor.author Neill, C.R.
dc.contributor.author Schneider, J.D.
dc.contributor.author Young, M.G.
dc.contributor.author Woodworth, J.C.
dc.contributor.author Goodband, Robert D.
dc.contributor.author Tokach, Michael D.
dc.contributor.author Nelssen, Jim L.
dc.contributor.author Dritz, Steven S.
dc.date.accessioned 2009-10-29T18:31:51Z
dc.date.available 2009-10-29T18:31:51Z
dc.date.issued 2009-10-29T18:31:51Z
dc.identifier.uri http://hdl.handle.net/2097/1982
dc.description Swine research, 2005 is known as Swine day, 2005 en
dc.description.abstract A total of 59 gilts were used to determine the effects of supplemental L-carnitine on gilt growth and maternal insulin-like growth factor- I (IGF-I). Experimental treatments were arranged in a 2 × 3 factorial with main effects of L-carnitine (0 or 50 ppm) and day of gestation (40, 55, or 70). All gilts received a constant feed allowance of 3.86 lb/day and a topdress containing either 0 or 88 mg of Lcarnitine, starting on the first day of breeding. No differences (P>0.05) between treatments were observed for BW, estimated protein mass, or estimated fat mass at any gestation length. At d 70 of gestation, there was a numeric increase (P>0.10) in BW for the gilts fed L-carnitine, compared with those fed the control diet. At d 40 of gestation, gilts fed Lcarnitine tended to have greater (P = 0.10) backfat, compared with the gilts fed the control diet; but no differences (P>0.05) were observed in backfat on d 0, 55, or 70 of gestation. In addition, no differences (P>0.05) were observed in maternal IGF-I between treatments at any gestation length. Total and free plasma L-carnitine concentrations were similar (P>0.10) at d 0 of gestation, but concentrations were higher (P<0.01) by d 40 of gestation in the gilts fed L-carnitine. These results show that supplemental L-carnitine numerically increases BW of gestating gilts. This data represents the first part of an ongoing study, with the rest of the data being reported in subsequent publications. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Swine day, 2005 en_US
dc.relation.isPartOf Summary Publication of Report of Progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 964 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 06-63-S en_US
dc.subject Backfat en_US
dc.subject Gestation en_US
dc.subject Gilts en_US
dc.subject L-carnitine en_US
dc.subject Pigs en_US
dc.subject Weight en_US
dc.subject Swine en_US
dc.title Influence of L-carnitine on growth and plasma IGF-I from gilts harvested at three gestation lengths en_US
dc.type Conference paper en_US
dc.date.published 2005 en_US
dc.citation.epage 17 en_US
dc.citation.spage 12 en_US
dc.contributor.authoreid goodband en_US
dc.contributor.authoreid mtokach en_US
dc.contributor.authoreid dritz en_US
dc.contributor.authoreid jnelssen en_US

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