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BW corelation to WW
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<blockquote data-quote="randiliana" data-source="post: 441574" data-attributes="member: 2308"><p>I know this has been hashed over many times, but since we weighed a bunch of calves yesterday, and it is raining out I have time to play around with my records. Here is how BW and WW relate to each other in our herd. </p><p></p><p>I divided the calves into groups by BW, Under 75 lbs, 75-90 lbs 90-105 lbs and Over 105 lbs. I did this for the calves from each of the last 3 years.</p><p></p><p>2005</p><p><75 lbs, avg BW 66, Avg adg 2.09 (10 head)</p><p>75-90 lbs, avg BW 82, Avg adg 2.28 (19 head)</p><p>90-105 lbs, avg BW 96, Avg adg 2.51 (44 head)</p><p>>105 lbs, avg BW 110, Avg adg 2.58 (21 head)</p><p></p><p>2006</p><p><75 lbs, avg BW 67, Avg adg 1.99 (13 head)</p><p>75-90 lbs, avg BW 83, Avg adg 2.30 (46 head)</p><p>90-105 lbs, avg BW 96, Avg adg 2.37 (47 head)</p><p>>105 lbs, avg BW 111, Avg adg 2.51 (14 head)</p><p></p><p>2007 (and this is only preliminary as not all calves are weighed yet)</p><p><75 lbs, avg BW 66, Avg adg 2.22 (9 head)</p><p>75-90 lbs, avg BW 83, Avg adg 2.43 (23 head)</p><p>90-105 lbs, avg BW 96, Avg adg 2.57 (27 head)</p><p>>105 lbs, avg BW 111, Avg adg 2.76 (14 head)</p><p></p><p>The average difference in ADG from the big BW to the smalll BW calves is 0.517 lbs/day. The average difference in BW is 44 lbs. On 205 days that = 150 more lbs on the big BW calves than the small BW calves.</p><p></p><p>Now, I am not saying I (or anyone else) should be trying for 110 lb calves. <strong>Just stating what the differences in this herd were.</strong> Keep in mind also that generally the 2 year old's calves had smaller BW's and the cow's calves had the larger BW's. Although there will be 2 year olds in the 90-105 lb group and cows in the <75 lb group.</p></blockquote><p></p>
[QUOTE="randiliana, post: 441574, member: 2308"] I know this has been hashed over many times, but since we weighed a bunch of calves yesterday, and it is raining out I have time to play around with my records. Here is how BW and WW relate to each other in our herd. I divided the calves into groups by BW, Under 75 lbs, 75-90 lbs 90-105 lbs and Over 105 lbs. I did this for the calves from each of the last 3 years. 2005 <75 lbs, avg BW 66, Avg adg 2.09 (10 head) 75-90 lbs, avg BW 82, Avg adg 2.28 (19 head) 90-105 lbs, avg BW 96, Avg adg 2.51 (44 head) >105 lbs, avg BW 110, Avg adg 2.58 (21 head) 2006 <75 lbs, avg BW 67, Avg adg 1.99 (13 head) 75-90 lbs, avg BW 83, Avg adg 2.30 (46 head) 90-105 lbs, avg BW 96, Avg adg 2.37 (47 head) >105 lbs, avg BW 111, Avg adg 2.51 (14 head) 2007 (and this is only preliminary as not all calves are weighed yet) <75 lbs, avg BW 66, Avg adg 2.22 (9 head) 75-90 lbs, avg BW 83, Avg adg 2.43 (23 head) 90-105 lbs, avg BW 96, Avg adg 2.57 (27 head) >105 lbs, avg BW 111, Avg adg 2.76 (14 head) The average difference in ADG from the big BW to the smalll BW calves is 0.517 lbs/day. The average difference in BW is 44 lbs. On 205 days that = 150 more lbs on the big BW calves than the small BW calves. Now, I am not saying I (or anyone else) should be trying for 110 lb calves. [b]Just stating what the differences in this herd were.[/b] Keep in mind also that generally the 2 year old's calves had smaller BW's and the cow's calves had the larger BW's. Although there will be 2 year olds in the 90-105 lb group and cows in the <75 lb group. [/QUOTE]
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