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<blockquote data-quote="Jafruech" data-source="post: 1651091" data-attributes="member: 24025"><p>Ok...let's clear up some of the bad information on here.</p><p></p><p>Absent the Ar gene (which is is sex linked in phenotypical expression) a homogeneous Polled (PP) bull or cow CANNOT produce horned offspring. Period. </p><p></p><p></p><p>If your Angus bull is somehow Heterozygous polled (Pp) and they are bred to a horned (pp) cow or another Hetero polled cow, then and only then can you get a horned offspring. </p><p></p><p>Scurs are NOT horns and are a completely different gene which is sex linked in expression as well. </p><p></p><p>LHs do not typically carry the Ar gene that Caustic mentions...85% of their genome is if Taurine descent and only 15% of Indicine...and Bos Indicus is where there Ar gene has come from....so if you have Brahman influence you are more likely to have the Ar gene present...but not all Indicine cattle carry it either....and even if they do it is only expressed in males....so if you have a cow that is throwing a horned calf out of a polled bull...and you know he is homo polled...cull her or run blood tests. Same with Scurs (Sc gene). I don't have a single horned half using a black angus or a Hereford bull on the F1s or F2s. The black Angus bulls create a very uniform calf crop. Chose LH cows that are solid color and are less likely to carry the wild color gene in them.</p><p></p><p>Just my 2 cents.</p></blockquote><p></p>
[QUOTE="Jafruech, post: 1651091, member: 24025"] Ok...let's clear up some of the bad information on here. Absent the Ar gene (which is is sex linked in phenotypical expression) a homogeneous Polled (PP) bull or cow CANNOT produce horned offspring. Period. If your Angus bull is somehow Heterozygous polled (Pp) and they are bred to a horned (pp) cow or another Hetero polled cow, then and only then can you get a horned offspring. Scurs are NOT horns and are a completely different gene which is sex linked in expression as well. LHs do not typically carry the Ar gene that Caustic mentions...85% of their genome is if Taurine descent and only 15% of Indicine...and Bos Indicus is where there Ar gene has come from....so if you have Brahman influence you are more likely to have the Ar gene present...but not all Indicine cattle carry it either....and even if they do it is only expressed in males....so if you have a cow that is throwing a horned calf out of a polled bull...and you know he is homo polled...cull her or run blood tests. Same with Scurs (Sc gene). I don't have a single horned half using a black angus or a Hereford bull on the F1s or F2s. The black Angus bulls create a very uniform calf crop. Chose LH cows that are solid color and are less likely to carry the wild color gene in them. Just my 2 cents. [/QUOTE]
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