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<blockquote data-quote="Herefords.US" data-source="post: 782186" data-attributes="member: 3972"><p>First, I said the Holden cows that I've seen were around 1600 lb - not 1800 lb. Also, with the exception of those in Bobby Edgar's herd that I saw back in 2003, most of the Holden cows that I've seen were donor cows...and probably exceptional. Someone who has visited Holdens and seen the whole cowherd would be a more reliable source on judging their average weight. There are several that read this forum.</p><p></p><p>Second, you might be able to get 550 lb. calves from 1100 lb. cows in your environment, but if past history is indicative of what the Lents herd still achieves today, their 205 day WWs would be much nearer 400 lb. on average. In our environment and selecting for performance, we were just starting to get WW's that topped 500 lb. averages in straight Anxiety 4th cattle with the Becker influence. And that was from cows that averaged 1200 to 1400 lb. fat. I haven't seen the Lents cattle in a number of years, but based on others' reports who have, the mature size or growth rates haven't changed much in those cattle, although Jim has done a very good job of improving phenotype.</p><p></p><p>Third, based on studies I've seen in the past, there is a minimum basis for maintaining a cow. Energy requirements don't proportionally follow weight. On average, 15 1000 lb. cows will cost more to maintain than 10 1500 lb. cows, even though the total pounds are the same.</p><p></p><p>George</p></blockquote><p></p>
[QUOTE="Herefords.US, post: 782186, member: 3972"] First, I said the Holden cows that I've seen were around 1600 lb - not 1800 lb. Also, with the exception of those in Bobby Edgar's herd that I saw back in 2003, most of the Holden cows that I've seen were donor cows...and probably exceptional. Someone who has visited Holdens and seen the whole cowherd would be a more reliable source on judging their average weight. There are several that read this forum. Second, you might be able to get 550 lb. calves from 1100 lb. cows in your environment, but if past history is indicative of what the Lents herd still achieves today, their 205 day WWs would be much nearer 400 lb. on average. In our environment and selecting for performance, we were just starting to get WW's that topped 500 lb. averages in straight Anxiety 4th cattle with the Becker influence. And that was from cows that averaged 1200 to 1400 lb. fat. I haven't seen the Lents cattle in a number of years, but based on others' reports who have, the mature size or growth rates haven't changed much in those cattle, although Jim has done a very good job of improving phenotype. Third, based on studies I've seen in the past, there is a minimum basis for maintaining a cow. Energy requirements don't proportionally follow weight. On average, 15 1000 lb. cows will cost more to maintain than 10 1500 lb. cows, even though the total pounds are the same. George [/QUOTE]
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