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<blockquote data-quote="Idaman" data-source="post: 782155" data-attributes="member: 14119"><p>In regard to the crossing of two linebred but dissimilar lines as the Lents cattle and the Line 1's isn't a good example the Korb Super Anxiety cattle of Kansas. They took the Jim Cole Anxiety 4th herd and crossed it with the much different and larger Canadian bred cattle.</p><p></p><p>There are people on this forum that have a much closer and thorough knowledge of those cattle than I do but from what I have seen they are very good. The Cole cattle weren't as extremely small as the Lents cattle but of pretty much the same bloodlines.</p><p></p><p>The differences in ones weaning weight, yearling weight, mature weight, and feedlot performance is all centered around efficiency or at least as the Angus $EN+$W's try to show efficiency. If Holdens cows weigh 1,800 lbs. then a 1,100 lb. cow would take only 61% as much annual energy to produce a calf. With that in mind then the heavier cow should be able to wean at least 50% of her weight or 900 lbs. efficiently and year after year. The 1,100 cow should also wean 50% of her weight which is 550 lbs efficiently and yearly. There is a 350 lb difference in weaning weights but under my conditions I will come much, much closer to attaining the 550 lb. calf senario. I simply can run 1.63 as many cows that weigh 1,100 as the 1800 pounders. Under most range conditions there just aren't too many 1,800 lb. cows weaning 900 lb. calves, maintaining their body condition and breeding back year after year.</p></blockquote><p></p>
[QUOTE="Idaman, post: 782155, member: 14119"] In regard to the crossing of two linebred but dissimilar lines as the Lents cattle and the Line 1's isn't a good example the Korb Super Anxiety cattle of Kansas. They took the Jim Cole Anxiety 4th herd and crossed it with the much different and larger Canadian bred cattle. There are people on this forum that have a much closer and thorough knowledge of those cattle than I do but from what I have seen they are very good. The Cole cattle weren't as extremely small as the Lents cattle but of pretty much the same bloodlines. The differences in ones weaning weight, yearling weight, mature weight, and feedlot performance is all centered around efficiency or at least as the Angus $EN+$W's try to show efficiency. If Holdens cows weigh 1,800 lbs. then a 1,100 lb. cow would take only 61% as much annual energy to produce a calf. With that in mind then the heavier cow should be able to wean at least 50% of her weight or 900 lbs. efficiently and year after year. The 1,100 cow should also wean 50% of her weight which is 550 lbs efficiently and yearly. There is a 350 lb difference in weaning weights but under my conditions I will come much, much closer to attaining the 550 lb. calf senario. I simply can run 1.63 as many cows that weigh 1,100 as the 1800 pounders. Under most range conditions there just aren't too many 1,800 lb. cows weaning 900 lb. calves, maintaining their body condition and breeding back year after year. [/QUOTE]
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