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Homo black bull on red cows......
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 646209" data-attributes="member: 968"><p>Backtracking to this question.</p><p>Yes, it deffinately carries a red gene.</p><p>The black Gelbvieh cow will always give you a black factored calf (like Randi said - it could be grey/silver/chocolate - but it's black FACTORED).</p><p>"IF" you bred her to a red bull, all her calves are hetero black carrying a red gene (inherited a red gene from red bull). Both parents have to pass on one coat color gene. A red animal does not carry ANY black genes - only the two red genes. So therefore all calves out of 1 red parent will carry 1 red gene.</p><p>As far as the calf you have - dark smokey grey - may very well be true black as it gets older. Does the calf have black around it's eyes and a black switch on the tail? We get lots of calves this "chocolate" colored, but it they have the black hair around their eyes & tail switch - and usually black on bottom of legs - they turn out true black. BUT, they are "generally" heterozygous black. "Most" of the true blacks turn out to be homozygous black. But, we all know cattle don't like to go by the rules when it comes to "most of the time".</p><p>In your case, having a red sire, you are SURE the calf is heterozygous black (1 black 1 red gene)</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 646209, member: 968"] Backtracking to this question. Yes, it deffinately carries a red gene. The black Gelbvieh cow will always give you a black factored calf (like Randi said - it could be grey/silver/chocolate - but it's black FACTORED). "IF" you bred her to a red bull, all her calves are hetero black carrying a red gene (inherited a red gene from red bull). Both parents have to pass on one coat color gene. A red animal does not carry ANY black genes - only the two red genes. So therefore all calves out of 1 red parent will carry 1 red gene. As far as the calf you have - dark smokey grey - may very well be true black as it gets older. Does the calf have black around it's eyes and a black switch on the tail? We get lots of calves this "chocolate" colored, but it they have the black hair around their eyes & tail switch - and usually black on bottom of legs - they turn out true black. BUT, they are "generally" heterozygous black. "Most" of the true blacks turn out to be homozygous black. But, we all know cattle don't like to go by the rules when it comes to "most of the time". In your case, having a red sire, you are SURE the calf is heterozygous black (1 black 1 red gene) [/QUOTE]
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