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Breeding / Calving Issues
Breeding bull to daughters
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<blockquote data-quote="Mark Reynolds" data-source="post: 1823368" data-attributes="member: 43196"><p>Bear in mind I said without problems. My take on [USER=38751]@Ridgetop[/USER]'s comment (and he was saying it in jest) was that in an attempt to gat unrelated animals (from the sale barn) the animals that may be purchased/are acquired from the sale barn are themselves inbred. These inbred animals then become the parents of the offspring that are the animals that are targeted to not be inbred. My point was that if either parent of an intended offspring is inbred (or both of them) was that the resulting offspring, that is attempted to not be inbred, would indeed NOT be inbred, having received only 1 chromosome from each parent which results in none of the paired chromosomes in the offspring being from the same source, which is essentially what being inbred is. So, the offspring are therefore not inbred. </p><p></p><p>This kinda goes back to another discussion on another thread from not too long ago. That was, how far back/ how many generations do you go to not be considered inbred? The general consensus is 6 generations. If you don't have this generation limit, you could conceivably argue that every single species of life on earth is 100% inbred as every species can trace its linage back, if you go far enough, to a single individual. But let's stick to 6 generations.</p><p></p><p>So, can you have 2 'unrelated' animals that each have the same recessive gene anomaly and end up with progeny that have a problem because they end up homozygous for this trait carried in the recessive gene? Answer: yes.</p></blockquote><p></p>
[QUOTE="Mark Reynolds, post: 1823368, member: 43196"] Bear in mind I said without problems. My take on [USER=38751]@Ridgetop[/USER]'s comment (and he was saying it in jest) was that in an attempt to gat unrelated animals (from the sale barn) the animals that may be purchased/are acquired from the sale barn are themselves inbred. These inbred animals then become the parents of the offspring that are the animals that are targeted to not be inbred. My point was that if either parent of an intended offspring is inbred (or both of them) was that the resulting offspring, that is attempted to not be inbred, would indeed NOT be inbred, having received only 1 chromosome from each parent which results in none of the paired chromosomes in the offspring being from the same source, which is essentially what being inbred is. So, the offspring are therefore not inbred. This kinda goes back to another discussion on another thread from not too long ago. That was, how far back/ how many generations do you go to not be considered inbred? The general consensus is 6 generations. If you don't have this generation limit, you could conceivably argue that every single species of life on earth is 100% inbred as every species can trace its linage back, if you go far enough, to a single individual. But let's stick to 6 generations. So, can you have 2 'unrelated' animals that each have the same recessive gene anomaly and end up with progeny that have a problem because they end up homozygous for this trait carried in the recessive gene? Answer: yes. [/QUOTE]
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