http://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&feed=atom&action=historyHoof Tape - Revision history2024-03-29T15:04:55ZRevision history for this page on the wikiMediaWiki 1.35.2http://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=2446&oldid=prevBgolden at 14:40, 6 September 20212021-09-06T14:40:18Z<p></p>
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<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving <del class="diffchange diffchange-inline">difficulty</del>]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf, are challenges for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving <ins class="diffchange diffchange-inline">ease</ins>]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf, are challenges for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>A widely used alternative to weighing or estimating birth weight is the calf hoof tape method. A google search reveals that there are many vendors of calf hoof tape devices. They are relatively low cost and simple to use. Many breeders producing large numbers of calves have indicated that they use hoof tapes. Large contemporary groups of calves are especially challenging, and obtaining an observation on all animals is not always feasible, especially in spring calving herds in the northern states and Canada. While it has been shown that the variance of hoof tape estimated birth weights is substantially smaller than actual birth weights<ref>Ko, J. C. H. and Ruble, M. V. 1990. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle. Vet. Med. 85: 1030–1036. </ref><ref>LaShell, B. A., D.R Selzer, Rowley, B. Ackley and D. D. Zalesky. 2001.The Comparison of Actual</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>A widely used alternative to weighing or estimating birth weight is the calf hoof tape method. A google search reveals that there are many vendors of calf hoof tape devices. They are relatively low cost and simple to use. Many breeders producing large numbers of calves have indicated that they use hoof tapes. Large contemporary groups of calves are especially challenging, and obtaining an observation on all animals is not always feasible, especially in spring calving herds in the northern states and Canada. While it has been shown that the variance of hoof tape estimated birth weights is substantially smaller than actual birth weights<ref>Ko, J. C. H. and Ruble, M. V. 1990. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle. Vet. Med. 85: 1030–1036. </ref><ref>LaShell, B. A., D.R Selzer, Rowley, B. Ackley and D. D. Zalesky. 2001.The Comparison of Actual</div></td></tr>
</table>Bgoldenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=2348&oldid=prevBgolden at 18:24, 12 April 20212021-04-12T18:24:40Z<p></p>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Data Collection]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving difficulty]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf, are challenges for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving difficulty]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf, are challenges for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td></tr>
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</table>Bgoldenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=2069&oldid=prevMnielsen at 20:38, 17 January 20202020-01-17T20:38:33Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>''BIF recommends that organizations responsible for receiving performance data and conducting genetic evaluations require breeders to indicate if they have used a hoof tape measurement to predict birth weight.''</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>''BIF recommends that organizations responsible for receiving performance data and conducting genetic evaluations require breeders to indicate if they have used a hoof tape measurement to predict birth weight.''</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
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</table>Mnielsenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=1622&oldid=prevMnielsen at 22:15, 26 November 20192019-11-26T22:15:26Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:15, 26 November 2019</td>
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<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving difficulty]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf <del class="diffchange diffchange-inline">is a challenge </del>for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving difficulty]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf<ins class="diffchange diffchange-inline">, are challenges </ins>for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>A widely used alternative to weighing or estimating birth weight is the calf hoof tape method. A google search reveals that there are many vendors of calf hoof tape devices. They are relatively low cost and simple to use. Many breeders producing large numbers of calves have indicated that they use hoof tapes. Large contemporary groups of calves are especially challenging, and obtaining an observation on all animals is not always feasible, especially in spring calving herds in the northern states and Canada. While it has been shown that the variance of hoof tape estimated birth weights is substantially smaller than actual birth weights<ref>Ko, J. C. H. and Ruble, M. V. 1990. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle. Vet. Med. 85: 1030–1036. </ref><ref>LaShell, B. A., D.R Selzer, Rowley, B. Ackley and D. D. Zalesky. 2001.The Comparison of Actual</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>A widely used alternative to weighing or estimating birth weight is the calf hoof tape method. A google search reveals that there are many vendors of calf hoof tape devices. They are relatively low cost and simple to use. Many breeders producing large numbers of calves have indicated that they use hoof tapes. Large contemporary groups of calves are especially challenging, and obtaining an observation on all animals is not always feasible, especially in spring calving herds in the northern states and Canada. While it has been shown that the variance of hoof tape estimated birth weights is substantially smaller than actual birth weights<ref>Ko, J. C. H. and Ruble, M. V. 1990. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle. Vet. Med. 85: 1030–1036. </ref><ref>LaShell, B. A., D.R Selzer, Rowley, B. Ackley and D. D. Zalesky. 2001.The Comparison of Actual</div></td></tr>
</table>Mnielsenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=1515&oldid=prevMnielsen at 12:21, 15 November 20192019-11-15T12:21:06Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:21, 15 November 2019</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving difficulty]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf is a challenge for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving difficulty]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf is a challenge for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>A widely used alternative to weighing or estimating birth weight is the calf hoof tape method. A google search reveals that there are many vendors of calf hoof tape devices. They are relatively low cost and simple to use. Many large <del class="diffchange diffchange-inline">breeders </del>have indicated that they use hoof tapes. Large contemporary groups of calves are especially challenging, and obtaining an observation on all animals is not always feasible, especially in spring calving herds in the northern states and Canada. While it has been shown that the variance of hoof tape estimated birth weights is substantially smaller than actual birth weights<ref>Ko, J. C. H. and Ruble, M. V. 1990. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle. Vet. Med. 85: 1030–1036. </ref><ref>LaShell, B. A., D.R Selzer, Rowley, B. Ackley and D. D. Zalesky. 2001.The Comparison of Actual</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>A widely used alternative to weighing or estimating birth weight is the calf hoof tape method. A google search reveals that there are many vendors of calf hoof tape devices. They are relatively low cost and simple to use. Many <ins class="diffchange diffchange-inline">breeders producing </ins>large <ins class="diffchange diffchange-inline">numbers of calves </ins>have indicated that they use hoof tapes. Large contemporary groups of calves are especially challenging, and obtaining an observation on all animals is not always feasible, especially in spring calving herds in the northern states and Canada. While it has been shown that the variance of hoof tape estimated birth weights is substantially smaller than actual birth weights<ref>Ko, J. C. H. and Ruble, M. V. 1990. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle. Vet. Med. 85: 1030–1036. </ref><ref>LaShell, B. A., D.R Selzer, Rowley, B. Ackley and D. D. Zalesky. 2001.The Comparison of Actual</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Birth Weights and Hoof</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Birth Weights and Hoof</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tape Measurements. Colorado State Univ Tech Bulletin.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tape Measurements. Colorado State Univ Tech Bulletin.</div></td></tr>
</table>Mnielsenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=1514&oldid=prevMnielsen at 12:16, 15 November 20192019-11-15T12:16:41Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>https://openprairie.sdstate.edu/sd_beefreport_1995/17.</ref>.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>https://openprairie.sdstate.edu/sd_beefreport_1995/17.</ref>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The correlation of a hoof tape measurement to actual birth weight can be high. While it is possible to model hoof tape observations as a separate but correlated trait, as of this writing, no breed associations have required members to indicate if the weights were <del class="diffchange diffchange-inline">obtained </del>by hoof tape. However, given the noticeably reduced variance within contemporary group, it is possible to identify many of these groups when they are larger. It is recommended that a [[Heterogeneous variance | heterogeneous variance]] procedure be implemented in the EPD production where birth weight is modeled.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The correlation of a hoof tape measurement to actual birth weight can be high. While it is possible to model hoof tape observations as a separate but correlated trait, as of this writing, no breed associations have required members to indicate if the weights were <ins class="diffchange diffchange-inline">predicted </ins>by hoof tape <ins class="diffchange diffchange-inline">measurement</ins>. However, given the noticeably reduced variance within contemporary group, it is possible to identify many of these groups when they are larger. It is recommended that a [[Heterogeneous variance | heterogeneous variance]] procedure be implemented in the EPD production where birth weight is modeled.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>''BIF recommends that organizations responsible for <del class="diffchange diffchange-inline">recording </del>performance data require breeders <del class="diffchange diffchange-inline">who use </del>a hoof tape to <del class="diffchange diffchange-inline">record </del>birth weight <del class="diffchange diffchange-inline">to indicate that they have done so</del>.''</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>''BIF recommends that organizations responsible for <ins class="diffchange diffchange-inline">receiving </ins>performance data <ins class="diffchange diffchange-inline">and conducting genetic evaluations </ins>require breeders <ins class="diffchange diffchange-inline">to indicate if they have used </ins>a hoof tape <ins class="diffchange diffchange-inline">measurement </ins>to <ins class="diffchange diffchange-inline">predict </ins>birth weight.''</div></td></tr>
</table>Mnielsenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=1513&oldid=prevMnielsen at 12:11, 15 November 20192019-11-15T12:11:44Z<p></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
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<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:11, 15 November 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving difficulty]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf is a challenge for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Obtaining an accurate measure of [[Birth Weight | birth weight]] using a high-quality digital scale is important for producing meaningful [[Calving Difficulty | calving difficulty]] EPDs. However, it is not always feasible to obtain birth weights this way. Digital scales for measuring calf birth weights can cost thousands of dollars. Even with good mechanical scales, trying to catch a calf when the mother is being protective, and lifting that calf is a challenge for many producers and their ranch hands. There are reports of producers estimating the calf weights using visual inspection and this can be seen in many breed association birth weight datasets.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>A widely used alternative to weighing or estimating birth weight is the calf hoof tape method. A google search reveals that there are many vendors of calf hoof tape devices. They are relatively low cost and simple to use. Many large breeders have indicated that they use hoof tapes. Large contemporary groups of calves are especially challenging and obtaining an observation on all animals is not always feasible, especially in spring calving herds in the northern states and Canada. While it has been shown that the variance of hoof tape estimated birth weights is substantially smaller than actual birth weights<ref>Ko, J. C. H. and Ruble, M. V. 1990. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle. Vet. Med. 85: 1030–1036. </ref><ref>LaShell, B. A., D.R Selzer, Rowley, B. Ackley and D. D. Zalesky. 2001.The Comparison of Actual</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>A widely used alternative to weighing or estimating birth weight is the calf hoof tape method. A google search reveals that there are many vendors of calf hoof tape devices. They are relatively low cost and simple to use. Many large breeders have indicated that they use hoof tapes. Large contemporary groups of calves are especially challenging<ins class="diffchange diffchange-inline">, </ins>and obtaining an observation on all animals is not always feasible, especially in spring calving herds in the northern states and Canada. While it has been shown that the variance of hoof tape estimated birth weights is substantially smaller than actual birth weights<ref>Ko, J. C. H. and Ruble, M. V. 1990. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle. Vet. Med. 85: 1030–1036. </ref><ref>LaShell, B. A., D.R Selzer, Rowley, B. Ackley and D. D. Zalesky. 2001.The Comparison of Actual</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Birth Weights and Hoof</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Birth Weights and Hoof</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tape Measurements. Colorado State Univ Tech Bulletin.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Tape Measurements. Colorado State Univ Tech Bulletin.</div></td></tr>
</table>Mnielsenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=1512&oldid=prevMnielsen at 12:09, 15 November 20192019-11-15T12:09:55Z<p></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:09, 15 November 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >Line 7:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>https://openprairie.sdstate.edu/sd_beefreport_1995/17.</ref>.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>https://openprairie.sdstate.edu/sd_beefreport_1995/17.</ref>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The correlation to actual birth weight can be high. While it is possible to model hoof tape observations as a separate but correlated trait, as of this writing, no breed associations have required members to indicate if the weights were obtained by hoof tape. However, given the noticeably reduced variance within contemporary group, it is possible to identify many of these groups when they are larger. It is recommended that a [[Heterogeneous variance | heterogeneous variance]] procedure be implemented in the EPD production where birth weight is modeled.</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The correlation <ins class="diffchange diffchange-inline">of a hoof tape measurement </ins>to actual birth weight can be high. While it is possible to model hoof tape observations as a separate but correlated trait, as of this writing, no breed associations have required members to indicate if the weights were obtained by hoof tape. However, given the noticeably reduced variance within contemporary group, it is possible to identify many of these groups when they are larger. It is recommended that a [[Heterogeneous variance | heterogeneous variance]] procedure be implemented in the EPD production where birth weight is modeled.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>''BIF recommends that organizations responsible for recording performance data require breeders who use a hoof tape to record birth weight to indicate that they have done so.''</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>''BIF recommends that organizations responsible for recording performance data require breeders who use a hoof tape to record birth weight to indicate that they have done so.''</div></td></tr>
</table>Mnielsenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=1465&oldid=prevBgolden at 17:04, 1 November 20192019-11-01T17:04:58Z<p></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:04, 1 November 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l9" >Line 9:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The correlation to actual birth weight can be high. While it is possible to model hoof tape observations as a separate but correlated trait, as of this writing, no breed associations have required members to indicate if the weights were obtained by hoof tape. However, given the noticeably reduced variance within contemporary group, it is possible to identify many of these groups when they are larger. It is recommended that a [[Heterogeneous variance | heterogeneous variance]] procedure be implemented in the EPD production where birth weight is modeled.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The correlation to actual birth weight can be high. While it is possible to model hoof tape observations as a separate but correlated trait, as of this writing, no breed associations have required members to indicate if the weights were obtained by hoof tape. However, given the noticeably reduced variance within contemporary group, it is possible to identify many of these groups when they are larger. It is recommended that a [[Heterogeneous variance | heterogeneous variance]] procedure be implemented in the EPD production where birth weight is modeled.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>''BIF recommends that <del class="diffchange diffchange-inline">breed associations </del>require breeders who use a hoof tape to record birth weight to indicate that they have done so.''</div></td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>''BIF recommends that <ins class="diffchange diffchange-inline">organizations responsible for recording performance data </ins>require breeders who use a hoof tape to record birth weight to indicate that they have done so.''</div></td></tr>
</table>Bgoldenhttp://guidelines.beefimprovement.org/index.php?title=Hoof_Tape&diff=1464&oldid=prevBgolden at 17:03, 1 November 20192019-11-01T17:03:18Z<p></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:03, 1 November 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l8" >Line 8:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The correlation to actual birth weight can be high. While it is possible to model hoof tape observations as a separate but correlated trait, as of this writing, no breed associations have required members to indicate if the weights were obtained by hoof tape. However, given the noticeably reduced variance within contemporary group, it is possible to identify many of these groups when they are larger. It is recommended that a [[Heterogeneous variance | heterogeneous variance]] procedure be implemented in the EPD production where birth weight is modeled.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The correlation to actual birth weight can be high. While it is possible to model hoof tape observations as a separate but correlated trait, as of this writing, no breed associations have required members to indicate if the weights were obtained by hoof tape. However, given the noticeably reduced variance within contemporary group, it is possible to identify many of these groups when they are larger. It is recommended that a [[Heterogeneous variance | heterogeneous variance]] procedure be implemented in the EPD production where birth weight is modeled.</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">''BIF recommends that breed associations require breeders who use a hoof tape to record birth weight to indicate that they have done so.''</ins></div></td></tr>
</table>Bgolden