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Breeding / Calving Issues
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<blockquote data-quote="Ebenezer" data-source="post: 1551934" data-attributes="member: 24565"><p><a href="https://www.progressivedairy.com/topics/a-i-breeding/what-you-need-to-know-about-a2" target="_blank">https://www.progressivedairy.com/topics/a-i-breeding/what-you-need-to-know-about-a2</a></p><p></p><p>Not sure that this is 100% true. The restriction of a cow's intake before her lactation peaks restricts her entire production for that lactation period. A cow predisposed to produce a higher volume of milk will sacrifice reproduction and body condition to maintain production. A calf that has high EPDs for WW or higher growth potential will also demand more milk from the cow. </p><p></p><p>No free lunches.</p><p></p><p>Bonsma keyed in on levels of butterfat so that cattle produced less overall volume but to supply a higher plain of nutrition to the calf. So his selection efforts were towards butterfat levels in the milk from a genetic type selection and not so much focused on a purely feed based production.</p></blockquote><p></p>
[QUOTE="Ebenezer, post: 1551934, member: 24565"] [url]https://www.progressivedairy.com/topics/a-i-breeding/what-you-need-to-know-about-a2[/url] Not sure that this is 100% true. The restriction of a cow's intake before her lactation peaks restricts her entire production for that lactation period. A cow predisposed to produce a higher volume of milk will sacrifice reproduction and body condition to maintain production. A calf that has high EPDs for WW or higher growth potential will also demand more milk from the cow. No free lunches. Bonsma keyed in on levels of butterfat so that cattle produced less overall volume but to supply a higher plain of nutrition to the calf. So his selection efforts were towards butterfat levels in the milk from a genetic type selection and not so much focused on a purely feed based production. [/QUOTE]
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