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Noob to Angus cattle and EPDs
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<blockquote data-quote="Nkline" data-source="post: 1665924" data-attributes="member: 41001"><p>It is the best estimation of feed intake available, when you couple dmi with selection for growth you basically make cattle that gain on less feed. I don't think calves have a switch, and that after they are weaned they eat a proportionately different amount (high intake calves before weaning are likely the high intake calves after weaning). Calves that eat more demand more milk, and this is harder on heifers which are trying to grow while feeding a calf that's why I try to keep the dmi epds low on first calves. Calves that eat more are likely hungrier, it's not all about capacity to eat more.</p><p></p><p>It is necessary to combine low dmi with fleshing ability, heifer calf fleshing ability has been found to be a good predictor of cow fleshing ease. You need to select for both because you don't just want a bunch of thin cows that don't eat much. Cow fleshing ability is going help with cow intake once your cattle reach there mature size, we know that a cow at bcs 6 (body condition score) have a significantly lower feed requirement than bcs 5. When cows are mature some study's have said that calf dmi correlates to cow dmi at this point. Different cows eat massively different amounts, and if we can select for this then a lot of progress will be made. There is an old formula that is pushed by the small cow crowd, but it is theoretical, and variance within cows rule it obsolete if selection pressure is used.</p></blockquote><p></p>
[QUOTE="Nkline, post: 1665924, member: 41001"] It is the best estimation of feed intake available, when you couple dmi with selection for growth you basically make cattle that gain on less feed. I don’t think calves have a switch, and that after they are weaned they eat a proportionately different amount (high intake calves before weaning are likely the high intake calves after weaning). Calves that eat more demand more milk, and this is harder on heifers which are trying to grow while feeding a calf that’s why I try to keep the dmi epds low on first calves. Calves that eat more are likely hungrier, it’s not all about capacity to eat more. It is necessary to combine low dmi with fleshing ability, heifer calf fleshing ability has been found to be a good predictor of cow fleshing ease. You need to select for both because you don’t just want a bunch of thin cows that don’t eat much. Cow fleshing ability is going help with cow intake once your cattle reach there mature size, we know that a cow at bcs 6 (body condition score) have a significantly lower feed requirement than bcs 5. When cows are mature some study’s have said that calf dmi correlates to cow dmi at this point. Different cows eat massively different amounts, and if we can select for this then a lot of progress will be made. There is an old formula that is pushed by the small cow crowd, but it is theoretical, and variance within cows rule it obsolete if selection pressure is used. [/QUOTE]
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