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Cattle Boards
Breeding / Calving Issues
How many Test Crosses are needed
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<blockquote data-quote="Son of Butch" data-source="post: 1454148" data-attributes="member: 14585"><p>I don't know if there is a straight answer to 100% certainty. </p><p>It's possible 1 cross can prove a bull is not.</p><p>My estimate is 16 would put you in the range of 94% certainty and it would take many more to reach 99.4%</p><p>DNA test would tell you heterozygous or homozygous to 100% certainty and you would know much faster.</p></blockquote><p></p>
[QUOTE="Son of Butch, post: 1454148, member: 14585"] I don't know if there is a straight answer to 100% certainty. It's possible 1 cross can prove a bull is not. My estimate is 16 would put you in the range of 94% certainty and it would take many more to reach 99.4% DNA test would tell you heterozygous or homozygous to 100% certainty and you would know much faster. [/QUOTE]
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How many Test Crosses are needed
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