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<blockquote data-quote="farmer rich" data-source="post: 136813" data-attributes="member: 1952"><p>Feed conversion efficiency is an exremely important economic trait. Feed is the single biggest cost after purchasing stock when feeding cattle and therfore has the most potential for increasing margins. </p><p>There are significant variations in FCR between both breeds and individuals within breeds. Even breeds noted for high FCRs such as Limousin exibit large variations. Have a look at this link to Limtest UK for a demonstration of this. <a href="http://www.limtest.co.uk/" target="_blank">http://www.limtest.co.uk/</a></p><p></p><p></p><p>Another point to consider is that Feed conversion efficiency is not related to intake. Therefore a higher FCR should lead to faster growth rates assuming intake remains the same. In this case savings in feed costs would be made in two ways, more beef produced for the same amount of feed and less feed consumed due to a reduction in feeding period.</p><p></p><p>So for purely economic reasons there is a very good reason for breeding for this trait and also testing for this trait in bull tests.</p><p>Neither is this pointless from the point of view of heritability as feed conversion ratio has a 40% heritability, higher than muscle/bone ratio and milk yeild which have a 30% heritability.</p></blockquote><p></p>
[QUOTE="farmer rich, post: 136813, member: 1952"] Feed conversion efficiency is an exremely important economic trait. Feed is the single biggest cost after purchasing stock when feeding cattle and therfore has the most potential for increasing margins. There are significant variations in FCR between both breeds and individuals within breeds. Even breeds noted for high FCRs such as Limousin exibit large variations. Have a look at this link to Limtest UK for a demonstration of this. [url=http://www.limtest.co.uk/]http://www.limtest.co.uk/[/url] Another point to consider is that Feed conversion efficiency is not related to intake. Therefore a higher FCR should lead to faster growth rates assuming intake remains the same. In this case savings in feed costs would be made in two ways, more beef produced for the same amount of feed and less feed consumed due to a reduction in feeding period. So for purely economic reasons there is a very good reason for breeding for this trait and also testing for this trait in bull tests. Neither is this pointless from the point of view of heritability as feed conversion ratio has a 40% heritability, higher than muscle/bone ratio and milk yeild which have a 30% heritability. [/QUOTE]
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