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problem.... reg. polled hereford throwing horned calves!
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 59539" data-attributes="member: 968"><p>If a bull is homozygous polled - ALL his calves would be polled. Even calves out of double horned cows. But, a homozygous bull could be producing scurs, IF - 1. A cow carries a scur gene, (will affect only bull calves) or 2. The bull carries the scur gene (will affect only the bull calves) or 3. Both cow & bull carry the scur gene (both bull & heifers can be affected). Being scurred does not mean that they are not polled. If they are horned the scur gene is not expressed.</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 59539, member: 968"] If a bull is homozygous polled - ALL his calves would be polled. Even calves out of double horned cows. But, a homozygous bull could be producing scurs, IF - 1. A cow carries a scur gene, (will affect only bull calves) or 2. The bull carries the scur gene (will affect only the bull calves) or 3. Both cow & bull carry the scur gene (both bull & heifers can be affected). Being scurred does not mean that they are not polled. If they are horned the scur gene is not expressed. [/QUOTE]
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problem.... reg. polled hereford throwing horned calves!
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