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    <title>UTas ePrints - Heritabilities of triacylglycerol fatty acids from the adipose tissue of beef cattle at weaning and slaughter</title>
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    <meta content="Malau-Aduli, A.E.O." name="eprints.creators_name" />
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<meta content="Heritability, fatty acids, triacylglycerols, adipose tissue, beef cattle." name="eprints.keywords" />
<meta content="In Proceedings 6th World Congress on Genetics Applied to Livestock Production, The University of New England, Armidale, Australia, vol. 25, 181-184." name="eprints.note" />
<meta content="A first attempt at estimating the heritabilities of total saturated (SFA), monounsaturated (MUFA)and polyunsaturated (PUFA) fatty acids from the triacylglycerol fraction of adipose tissues is presented. The data were from subcutaneous fat biopsies of 324 weaner steers and heifers across 7 genotypes and 26 sires. These animals all went into the feedlot postweaning, but the carcases of 150 at slaughter were sampled for fatty acid analysis. Results showed that weaner SFA, MUFA and PUFA had heritability estimates of 15, 16 and 0% respectively. At slaughter, estimates of heritabilities were 23, 57 and 15% for SFA, MUFA and PUFA respectively. Since monounsaturated fatty acids are highly desirable given their cholesterollowering
ability, this study suggests that selective breeding for MUFA has a good prospect of making genetic progress given the high hL of 57%. A larger data set would shed more light on the precision and accuracy of the estimates presented since these are based on a small data set.
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<meta content="Cameron, N.D. (1997). “Selection indices and prediction of genetic merit in animal breeding”CAB International, Wallingford, Oxford, UK.
Kruk, Z.A., Malau-Aduli, A.E.O., Thomson, A.M., Siebert, B.D., Pitchford, W.S. and Bottema, C.D.K. (1997) Proc. Assoc. Advmt. Anim. Breed. Genetics. 12:278-282
Malau-Aduli, A.E.O., Siebert, B.D., Pitchford, W.S. and Bottema, C.D.K. (1995) Proc.Australian Assoc. Anim. Breed. Genetics II: 554-557
Malau-Aduli, A.E.O., Siebert, B.D., Bottema, C.D.K. and Pitchford, W.S. (1996) Proc. Asian-Australasian Assoc. Anim. Prod. 2~32-33
Malau-Aduli, A.E.O., Siebert, B.D., Bottema, C.D.K. and Pitchford, W.S. (1997) Australian J. Agric. Res. 48~715-722
Rutley, D.L., Deland, M.P.B. and Pitchford, W.S. (1995) Proc. Australian Assoc. Anim. Breed. Genetics 11:151-154
SAS (1989) SAS User’s Guide: Statistics. Version 6, SAS Institute, Cary, NC
Siebert, B.D., Deland, M.P.B. and Pitchford, W.S. (1996) Australian J. Agric. Res. 47:943-52
Siebert, B.D., Malau-Aduli, A.E.O., Bottema, C.D.K., Deland, M.P.B. and Pitchford, W.S.(1998) Proc. 6th World Congr. Genet. Appl. Livest. Prod. 25: 177-180 " name="eprints.referencetext" />
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<meta content="A first attempt at estimating the heritabilities of total saturated (SFA), monounsaturated (MUFA)and polyunsaturated (PUFA) fatty acids from the triacylglycerol fraction of adipose tissues is presented. The data were from subcutaneous fat biopsies of 324 weaner steers and heifers across 7 genotypes and 26 sires. These animals all went into the feedlot postweaning, but the carcases of 150 at slaughter were sampled for fatty acid analysis. Results showed that weaner SFA, MUFA and PUFA had heritability estimates of 15, 16 and 0% respectively. At slaughter, estimates of heritabilities were 23, 57 and 15% for SFA, MUFA and PUFA respectively. Since monounsaturated fatty acids are highly desirable given their cholesterollowering
ability, this study suggests that selective breeding for MUFA has a good prospect of making genetic progress given the high hL of 57%. A larger data set would shed more light on the precision and accuracy of the estimates presented since these are based on a small data set.
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    <h1 class="ep_tm_pagetitle">Heritabilities of triacylglycerol fatty acids from the adipose tissue of beef cattle at weaning and slaughter</h1>
    <p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Malau-Aduli, A.E.O.</span> and <span class="person_name">Siebert, B.D.</span> and <span class="person_name">Bottema, C.D.K.</span> and <span class="person_name">Deland, M.P.B.</span> and <span class="person_name">Pitchford, W.S.</span> (1998) <xhtml:em>Heritabilities of triacylglycerol fatty acids from the adipose tissue of beef cattle at weaning and slaughter.</xhtml:em> In: 6th World Congress on Genetics Applied to Livestock Production, 11 January 1998, Armidale.</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a onmouseover="EPJS_ShowPreview( event, 'doc_preview_4033' );" href="http://eprints.utas.edu.au/2984/1/Malau-Aduli_1998WCGALPArmidaleHeritabilities.pdf" onmouseout="EPJS_HidePreview( event, 'doc_preview_4033' );"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" class="ep_doc_icon" border="0" /></a><div class="ep_preview" id="doc_preview_4033"><table><tr><td><img alt="" src="http://eprints.utas.edu.au/2984/thumbnails/1/preview.png" class="ep_preview_image" border="0" /><div class="ep_preview_title">Preview</div></td></tr></table></div></td><td valign="top"><a href="http://eprints.utas.edu.au/2984/1/Malau-Aduli_1998WCGALPArmidaleHeritabilities.pdf"><span class="ep_document_citation">PDF</span></a> - Requires a PDF viewer<br />179Kb</td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://elib.tiho-hannover.de/publications/6wcgalp/papers/author.htm">http://elib.tiho-hannover.de/publications/6wcgalp/papers/author.htm</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">A first attempt at estimating the heritabilities of total saturated (SFA), monounsaturated (MUFA)and polyunsaturated (PUFA) fatty acids from the triacylglycerol fraction of adipose tissues is presented. The data were from subcutaneous fat biopsies of 324 weaner steers and heifers across 7 genotypes and 26 sires. These animals all went into the feedlot postweaning, but the carcases of 150 at slaughter were sampled for fatty acid analysis. Results showed that weaner SFA, MUFA and PUFA had heritability estimates of 15, 16 and 0% respectively. At slaughter, estimates of heritabilities were 23, 57 and 15% for SFA, MUFA and PUFA respectively. Since monounsaturated fatty acids are highly desirable given their cholesterollowering&#13;
ability, this study suggests that selective breeding for MUFA has a good prospect of making genetic progress given the high hL of 57%. A larger data set would shed more light on the precision and accuracy of the estimates presented since these are based on a small data set.&#13;
</p></div><table style="margin-bottom: 1em" cellpadding="3" class="not_ep_block" border="0"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Conference or Workshop Item (Paper)</td></tr><tr><th valign="top" class="ep_row">Additional Information:</th><td valign="top" class="ep_row">In Proceedings 6th World Congress on Genetics Applied to Livestock Production, The University of New England, Armidale, Australia, vol. 25, 181-184.</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">Heritability, fatty acids, triacylglycerols, adipose tissue, beef cattle.</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/270200.html">270000 Biological Sciences &gt; 270200 Genetics</a><br /><a href="http://eprints.utas.edu.au/view/subjects/270207.html">270000 Biological Sciences &gt; 270200 Genetics &gt; 270207 Quantitative Genetics</a><br /><a href="http://eprints.utas.edu.au/view/subjects/300401.html">300000 Agricultural, Veterinary and Environmental Sciences &gt; 300400 Animal Production &gt; 300401 Animal Breeding</a><br /><a href="http://eprints.utas.edu.au/view/subjects/300400.html">300000 Agricultural, Veterinary and Environmental Sciences &gt; 300400 Animal Production</a><br /><a href="http://eprints.utas.edu.au/view/subjects/270100.html">270000 Biological Sciences &gt; 270100 Biochemistry and Cell Biology</a></td></tr><tr><th valign="top" class="ep_row">Collections:</th><td valign="top" class="ep_row">UNSPECIFIED</td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2984</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Dr Aduli E.O. Malau-Aduli</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">01 Feb 2008 12:01</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">01 Feb 2008 12:01</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=2984;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&amp;eprintid=2984">item control page</a></p>
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