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In my prime
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 62150" data-attributes="member: 968"><p>I believe the prime age range is 4-8. That's why there are age adjustments when calculating 205 day weights. That way you can compare young new cows against old ones.</p><p></p><p>If you're talking about their offspring - a young sperm has same genetics as an old one. I have never used a bull natural service before this past year, so I can't answer that one.</p><p></p><p>Always exceptions - & genes & management always have greatest influence on everything.</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 62150, member: 968"] I believe the prime age range is 4-8. That's why there are age adjustments when calculating 205 day weights. That way you can compare young new cows against old ones. If you're talking about their offspring - a young sperm has same genetics as an old one. I have never used a bull natural service before this past year, so I can't answer that one. Always exceptions - & genes & management always have greatest influence on everything. [/QUOTE]
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