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How much is to much BW
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<blockquote data-quote="Willow Springs" data-source="post: 609169" data-attributes="member: 9002"><p>How many of you who are not seed stock producers are actually weighing your calves?? As a bull seller I get this all the time; they won't buy a bull with a 95 lb or 100 lb birthweight bull because their cows have 85 lb calves. Then you ask what type of cows they have and if they are weighing. Response; oh my cows are charolais or simmy cross and I don't weigh the calves but I can tell by looking at them what they weigh. The cows are probably 1500 lb and having 100 lb calves every year. A big angus or hereford cow will do the same; I've had them small BW EPD or not.</p><p></p><p>How big is too big? Depends on how big your cows are. A general rule is that cows should be able to calve about 7% of their bodyweight without a problem. If I have 1500 lb cows I want 100 lb calves (provided they're not slow at birth) because those bigger calves just grow faster and bigger, and I need that extra growth to pay for that big cow. Those small calves just don't grow as fast. Now I know I'm going to get a bunch of responses saying well I had a cow that did this and that, but the truth is, as a general rule, those big ones win on performance. If I have 1300 lb cows then the calves should only be 85 lbs.</p></blockquote><p></p>
[QUOTE="Willow Springs, post: 609169, member: 9002"] How many of you who are not seed stock producers are actually weighing your calves?? As a bull seller I get this all the time; they won't buy a bull with a 95 lb or 100 lb birthweight bull because their cows have 85 lb calves. Then you ask what type of cows they have and if they are weighing. Response; oh my cows are charolais or simmy cross and I don't weigh the calves but I can tell by looking at them what they weigh. The cows are probably 1500 lb and having 100 lb calves every year. A big angus or hereford cow will do the same; I've had them small BW EPD or not. How big is too big? Depends on how big your cows are. A general rule is that cows should be able to calve about 7% of their bodyweight without a problem. If I have 1500 lb cows I want 100 lb calves (provided they're not slow at birth) because those bigger calves just grow faster and bigger, and I need that extra growth to pay for that big cow. Those small calves just don't grow as fast. Now I know I'm going to get a bunch of responses saying well I had a cow that did this and that, but the truth is, as a general rule, those big ones win on performance. If I have 1300 lb cows then the calves should only be 85 lbs. [/QUOTE]
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