fed26e631361a55d128f2180e529039e pmc_35203237.pdf 973066cd0aea90ee61ff4a3b176177444a2fdbb4 pmc_35203237.pdf 7201b860059a6176e012712862f8eeadb93faf63c9e65cf7656b0bc91d6282a0 pmc_35203237.pdf Title: Limiting Dietary Lysine Increases Body Weight Variability by Restricting Growth Potential of the Lightest Growing Pigs Subject: The goal of this experiment was to determine the implications of dietary standardized ileal digestible lysine (SID Lys:NE) on body weight variability of growing pigs grouped in three initial body weight categories (BWCAT). Animals (N = 1170) were individually weighed and classified in 3 BWCAT (Lp: 32.1 2.8 kg, Mp: 27.5 2.3 kg, and Sp: 23.4 2.9 kg). Afterward, pens were randomly allocated to five dietary SID Lys:NE treatments (3.25 to 4.88 g/Mcal) that were fed over 47 days. Pen coefficient of variation of Sp at day 47 was linearly increased when reducing SID Lys:NE (p < 0.01), from 9.8% to 15.4% between the two extreme dietary levels. The linear effect was different in Sp compared to Lp (p < 0.05) as no effect of SID Lys:NE was reported in the latter BWCAT (p = 0.992). Further analysis showed that this effect was explained by a growth restriction that was more severe the lightest the pigs were at the start of the trial. To summarize, swine body weight variability can be negatively affected when SID Lys requirements are not fulfilled. Keywords: body weight; variability; coefficient of variation; lysine; growing pig Author: Pau Aymerich, Carme Soldevila, Jordi Bonet, Josep Gasa, Jaume Coma and David Solà-Oriol Creator: LaTeX with hyperref Producer: pdfTeX-1.40.21 CreationDate: Tue Feb 22 05:04:07 2022 CET ModDate: Tue Feb 22 05:06:26 2022 CET Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 10 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 916548 bytes Optimized: no PDF version: 1.7 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- FJMGBM+VnURWPalladioL Type 1 Custom yes yes no 10 0 ICPVPX+URWPalladioL-Bold Type 1 Custom yes yes no 15 0 FYYAXJ+URWPalladioL-Roma Type 1 Custom yes yes no 20 0 TSPHZR+URWPalladioL-Ital Type 1 Custom yes yes no 24 0 NWYVYM+CMSY10 Type 1 Builtin yes yes no 28 0 WNWTFR+VnURWPalladioL-Bold Type 1 Custom yes yes no 32 0 MCBCCI+SourceSansRoman-Regular Type 1C Custom yes yes no 40 0 MCBCCM+SourceSansRoman.613wght Type 1C Custom yes yes no 44 0 MCBCCO+SourceSansRoman-Bold Type 1C Custom yes yes no 48 0 SZMRXJ+TimesNewRomanPS-BoldItalicMT Type 1C WinAnsi yes yes no 60 0 WBVKDJ+URWPalladioL-BoldItal Type 1 Custom yes yes no 88 0 BBIVAG+PalatinoLinotype-Roman CID TrueType Identity-H yes yes yes 101 0 EYSIQA+PalatinoLinotype-Italic TrueType WinAnsi yes yes yes 109 0 QITHCC+PalatinoLinotype-Roman TrueType WinAnsi yes yes yes 113 0 QUCWCC+PalatinoLinotype-Bold TrueType WinAnsi yes yes yes 117 0 EYSIQA+PalatinoLinotype-Italic TrueType WinAnsi yes yes yes 125 0 QITHCC+PalatinoLinotype-Roman TrueType WinAnsi yes yes yes 129 0 QUCWCC+PalatinoLinotype-Bold TrueType WinAnsi yes yes yes 133 0 Jhove (Rel. 1.22.1, 2019-04-17) Date: 2022-06-10 02:22:50 CEST RepresentationInformation: pmc_35203237.pdf ReportingModule: PDF-hul, Rel. 1.12.1 (2019-04-17) LastModified: 2022-02-27 18:36:04 CET Size: 916548 Format: PDF Version: 1.7 Status: Well-Formed and valid SignatureMatches: PDF-hul MIMEtype: application/pdf PDFMetadata: Objects: 258 FreeObjects: 1 IncrementalUpdates: 0 DocumentCatalog: PageLayout: SinglePage PageMode: UseNone Outlines: Item: Title: Introduction Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@4923ab24 Item: Title: Materials and Methods Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@44c8afef Children: Item: Title: Experimental Design and Animals Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@7b69c6ba Item: Title: Feeding Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@46daef40 Item: Title: Calculations and Statistical Analysis Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@12f41634 Item: Title: Results Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@13c27452 Children: Item: Title: Interaction between SID Lys:NE and BWCAT on Pen CV Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@262b2c86 Item: Title: Quantile Test for Initial and Final Individual BW Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@371a67ec Item: Title: Relationship between Initial and Final Individual BW Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@5ed828d Item: Title: Discussion Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@50d0686 Item: Title: Conclusions Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@7a3d45bd Item: Title: References Destination: edu.harvard.hul.ois.jhove.module.pdf.PdfSimpleObject@1e7c7811 Info: Title: Limiting Dietary Lysine Increases Body Weight Variability by Restricting Growth Potential of the Lightest Growing Pigs Author: Pau Aymerich, Carme Soldevila, Jordi Bonet, Josep Gasa, Jaume Coma and David Solà-Oriol Subject: The goal of this experiment was to determine the implications of dietary standardized ileal digestible lysine (SID Lys:NE) on body weight variability of growing pigs grouped in three initial body weight categories (BWCAT). Animals (N = 1170) were individually weighed and classified in 3 BWCAT (Lp: 32.1 2.8 kg, Mp: 27.5 2.3 kg, and Sp: 23.4 2.9 kg). Afterward, pens were randomly allocated to five dietary SID Lys:NE treatments (3.25 to 4.88 g/Mcal) that were fed over 47 days. Pen coefficient of variation of Sp at day 47 was linearly increased when reducing SID Lys:NE (p < 0.01), from 9.8% to 15.4% between the two extreme dietary levels. The linear effect was different in Sp compared to Lp (p < 0.05) as no effect of SID Lys:NE was reported in the latter BWCAT (p = 0.992). Further analysis showed that this effect was explained by a growth restriction that was more severe the lightest the pigs were at the start of the trial. To summarize, swine body weight variability can be negatively affected when SID Lys requirements are not fulfilled. 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