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scurred, polled, horned
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<blockquote data-quote="Anonymous" data-source="post: 14612"><p>> I assume the heifer is polled. The</p><p>> scur gene is totally seperate from</p><p>> the horn gene, I haven't found any</p><p>> research on if the scur gene is</p><p>> dominant or recessive. We always</p><p>> just left scurs alone, sometimes</p><p>> they break them off, if they do</p><p>> and it takes a significant amount</p><p>> of tissue around them the will</p><p>> usually heal over with out scurs.</p><p>> The gene is still there but the</p><p>> manifestation of the gene is</p><p>> missing. We had an old cow with a</p><p>> scur on only one side, go figure.</p><p>> Now to the horned/polled deal. If</p><p>> you breed her to a homozygous</p><p>> polled bull, two polled genes, the</p><p>> calf will be polled. If she is</p><p>> heterozygous polled herself, one</p><p>> horned one polled gene, she will</p><p>> be polled and there is a 50:50</p><p>> chance of which gene she will pass</p><p>> to her calf. If you breed her to a</p><p>> heterozygous polled bull, the calf</p><p>> may receive either a horned gene</p><p>> from the sire or a polled gene,</p><p>> and a horned gene or polled gene</p><p>> from the mother. So, if I do the</p><p>> math right, there is a 75% chance</p><p>> the calf will be polled and a 25%</p><p>> chance it will be horned.</p><p></p><p>> dunmovin farms My heifer must be heterozygous polled and carry the scur gene because, she has horny tissue under the skin (has not come through yet)it is not atached to her skull. Her older half brother (same father) has the same thing going on but his scurs have come through the skin they are only a half inch long. Do you think they are polled and scurred?</p><p></p><p> <a href="mailto:ivorywind_1999@yahoo.com">ivorywind_1999@yahoo.com</a></p></blockquote><p></p>
[QUOTE="Anonymous, post: 14612"] > I assume the heifer is polled. The > scur gene is totally seperate from > the horn gene, I haven't found any > research on if the scur gene is > dominant or recessive. We always > just left scurs alone, sometimes > they break them off, if they do > and it takes a significant amount > of tissue around them the will > usually heal over with out scurs. > The gene is still there but the > manifestation of the gene is > missing. We had an old cow with a > scur on only one side, go figure. > Now to the horned/polled deal. If > you breed her to a homozygous > polled bull, two polled genes, the > calf will be polled. If she is > heterozygous polled herself, one > horned one polled gene, she will > be polled and there is a 50:50 > chance of which gene she will pass > to her calf. If you breed her to a > heterozygous polled bull, the calf > may receive either a horned gene > from the sire or a polled gene, > and a horned gene or polled gene > from the mother. So, if I do the > math right, there is a 75% chance > the calf will be polled and a 25% > chance it will be horned. > dunmovin farms My heifer must be heterozygous polled and carry the scur gene because, she has horny tissue under the skin (has not come through yet)it is not atached to her skull. Her older half brother (same father) has the same thing going on but his scurs have come through the skin they are only a half inch long. Do you think they are polled and scurred? [email=ivorywind_1999@yahoo.com]ivorywind_1999@yahoo.com[/email] [/QUOTE]
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