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    <title>UTas ePrints - Phenotypic relationship between body weights of Friesian-Bunaji crossbred heifers and their subsequent milk production</title>
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    <meta content="Malau-Aduli, A.E.O." name="eprints.creators_name" />
<meta content="Abubakar, B.Y." name="eprints.creators_name" />
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<meta content="Phenotypic relationship between body weights of Friesian-Bunaji crossbred heifers and their subsequent milk production" name="eprints.title" />
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<meta content="Friesian-Bunaji, body weight, milk, phenotypic, crossbred." name="eprints.keywords" />
<meta content="In: Dennis Poppi (Editor). Animal Production in Australia. Proceedings Australian Society of Animal Production, The University of Queensland, Brisbane, Australia, vol.21, 274-277." name="eprints.note" />
<meta content="The study reported was conducted to investigate whether fast growing heifers eventually become good milkers in a bid to assist dairy farmers in selecting their replacement stock at an early age. The data analysed consisted of 549 body weight records at birth, 3, 6, 9 and 12 months of age of Friesian-Bunaji crossbred heifers, as well as 840 records on their subsequent lactation length, total lactation yield and estimated 305-day yield collected over a 23-year period (1967-1989). Phenotypic correlations between body weights at fixed ages were all positive and highly significant (P<0.0l), ranging from 0.30 to 0.79. Correlations among milk traits were also positive and highly significant, the range being 0.74 to 0.95. Correlations between body weights and milk traits on the other hand, were very low and non-significant, ranging from 0.01 to 0.14. Equations fitted from simple, multiple
and polynomial regressions of body weights on total lactation yield gave very low R2 values. It was therefore
concluded that body weights at birth, 3, 6 and 12 months of age have little value in the prediction of future
milk yield of Friesian-Bunaji heifers.
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<meta content="In: Dennis Poppi (Editor). Animal Production in Australia. Proceedings Australian Society of Animal Production, The University of Queensland, Brisbane, Australia." name="eprints.publication" />
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<meta content="AZEVEDO, P.C.N., CARNEIRO, G.G., PEREIRA, C.S.and FONSECA, C.G. (1986). Rev. Sot. Brasileira Zootecnia 15: 145-50.
BASTOS, J.F.P. (1989). Arquivo Brasileiro Med. Vet. Zootecnia 41: 85-7.
BUVANENDRAN, V., OLAYIWOLE, M.B., PIOTROWSKA, K.E. and OYEJOLA, B.A. (1981). Anim.Prod. 32: 165-70.
DIM, N.I. (1977). Swedish J. Agric. Res. 7: 25-8.
EL-BUSHRA, O.E., WILCOX, C-J., WING, J.M. and LINTEL, R.C. (1989). J. Dairy Sci. 72: 162-6.
HARVEY, W.R. (1990). United States Department of Agriculture, ARS, pp. 25-28.
HOLTZ, E.W., ERB, R.E. and HODGSON, AS. (1961). J. Dairy Sci. 44: 515-23.
JOHANSSON, I. (1964). J. Anim. Sci. 15: 109.
KOUL, G.L., PANDEY, H.N. and KATPATAL, B.G. (1985). Indian J. Dairy Sci. 38: 332-4.
MALAU-ADULI, A.E.O. and ABUBAKAR, B.Y. (1992). Nigerian J. Anim. Prod. 19: 141-4.
MALAU-ADULI, A.E.O., ABUBAKAR, B.Y., EHOCHE, O.W. and DIM, N.I. (1993a). J. Anim. Prod.Res. 13: 41-51.
MALAU-ADULI, A.E.O., ABUBAKAR, B.Y. and DIM, N.I. (1993b). J. Anim. Prod. Res. 13: 53-61.
MARTIN, T.G., JACOBSON, N.L., HOMEYER, P.G. and McGILLIARD, L. (1962). J. Dairy Sci. 45: 886.
PLUM, M., SINGH, B.N. and SCHULTZE, A.B. (1952). J. Dairy Sci. 35: 957.
POLASTRE, R., MILAGRES, J.C., RAMOS, A.A. and TEIXEIRA, N.M. (1987). Rev. Sot. Brasileira Zootecnia 16: 26 l-6.
ROY, G.L. and MARCHAND, D. (1987). Agric. Canada Bull. 10: l-3.
SHARMA, A.P., KHAN, F.N. and JADHAV, S.R. (1987). Indian Vet. J. 64: 770-4.
TILAKARATNE, N. and MATSUKAWA, T. (1983). Sri Lanka Vet. J.  31: 32-6.
TYLER, W.J. (1970). .I. Dairy Sci. 53: 830-6.
VENUGOPAL, G., BHATTACHARYYA, N.K. and BISHT, G.S. (1986). Indian Vet. .I. 63: 479-83.
WILK, J.C., YOUNG, C.W. and COLE, CL. (1963). J. Dairy Sci. 46: 1273.
WILKINSON, L. (1988). SYSTAT. “The system for statistics” (Systat Inc.: Evanston, IL).
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and polynomial regressions of body weights on total lactation yield gave very low R2 values. It was therefore
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    <h1 class="ep_tm_pagetitle">Phenotypic relationship between body weights of Friesian-Bunaji crossbred heifers and their subsequent milk production</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">Abubakar, B.Y.</span> and <span class="person_name">Dim, N.I.</span> (1996) <xhtml:em>Phenotypic relationship between body weights of Friesian-Bunaji crossbred heifers and their subsequent milk production.</xhtml:em> In: Australian Society of Animal Production, July 1996, Brisbane.</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_4054' );" onmouseout="EPJS_HidePreview( event, 'doc_preview_4054' );" href="http://eprints.utas.edu.au/2999/1/Malau-Aduli_1996ASAPBrisbane.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" border="0" class="ep_doc_icon" /></a><div class="ep_preview" id="doc_preview_4054"><table><tr><td><img alt="" src="http://eprints.utas.edu.au/2999/thumbnails/1/preview.png" border="0" class="ep_preview_image" /><div class="ep_preview_title">Preview</div></td></tr></table></div></td><td valign="top"><a href="http://eprints.utas.edu.au/2999/1/Malau-Aduli_1996ASAPBrisbane.pdf"><span class="ep_document_citation">PDF</span></a> - Requires a PDF viewer<br />106Kb</td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://www.asap.asn.au/index.php">http://www.asap.asn.au/index.php</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">The study reported was conducted to investigate whether fast growing heifers eventually become good milkers in a bid to assist dairy farmers in selecting their replacement stock at an early age. The data analysed consisted of 549 body weight records at birth, 3, 6, 9 and 12 months of age of Friesian-Bunaji crossbred heifers, as well as 840 records on their subsequent lactation length, total lactation yield and estimated 305-day yield collected over a 23-year period (1967-1989). Phenotypic correlations between body weights at fixed ages were all positive and highly significant (P&lt;0.0l), ranging from 0.30 to 0.79. Correlations among milk traits were also positive and highly significant, the range being 0.74 to 0.95. Correlations between body weights and milk traits on the other hand, were very low and non-significant, ranging from 0.01 to 0.14. Equations fitted from simple, multiple&#13;
and polynomial regressions of body weights on total lactation yield gave very low R2 values. It was therefore&#13;
concluded that body weights at birth, 3, 6 and 12 months of age have little value in the prediction of future&#13;
milk yield of Friesian-Bunaji heifers.&#13;
</p></div><table style="margin-bottom: 1em" border="0" cellpadding="3" class="not_ep_block"><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: Dennis Poppi (Editor). Animal Production in Australia. Proceedings Australian Society of Animal Production, The University of Queensland, Brisbane, Australia, vol.21, 274-277.</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">Friesian-Bunaji, body weight, milk, phenotypic, crossbred.</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></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">2999</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">31 Jan 2008 14:28</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">31 Jan 2008 14:28</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=2999;">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=2999">item control page</a></p>
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