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Breeding back to mom??
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<blockquote data-quote="novatech" data-source="post: 482530" data-attributes="member: 5494"><p>I can tell you that I am no genius, and there are many on here that will agree with that statement. What I do try and do is keep an open mind. A couple of years ago I would have agreed that line breeding was wrong, given the fact I raised F1's and selling the benefits of heterosis. </p><p>When I decided to switch over and go straight bred I started studying up on genetics in order to reach my goal relating to the quality of my cattle. What I found was that I had to find animals that fit my goal as close as possible. I studied the pedigrees of those animals and found that they shared common ancestors. I ran pedigree searches on many animals that were unattainable to me, but had the qualities I was looking for. Most of the cattle I found were line bred somewhere down the line. That got me thinking of line breeding and researching it. Along the way I found that most animals in nature are line bred/inbred. I even watched bucks in my own pasture mating with their own daughters.</p><p>What line breeding does is double up on genes. When you double up on the genes the probability of passing them on increases. The key is to get rid of the bad genes by culling.</p><p>In nature the animals with bad genetics are culled by natural selection.(They become part of the food chain).</p><p>At this point I feel that a heard of production cows should be line bred, but their off spring should be a cross to provide heterosis if being used for terminal production. What cross breeding actually does is dilute the gene pool and can alter the results you are looking for. The more diverse the cattle are geneticly the more combinations there can be, therefore the more you take a chance in nonuniform cattle. Of course you will lose the benefit of heterosis, but you do not need it unless you are going terminal.</p><p>I certainly hope this makes cents. Sometimes it is hard to get what I am thinking onto paper. </p><p>Please if I am wrong on any of this correct me. If I seem to argue it is only to learn.</p><p>As far as crossing as close as dam to son or the like, I feel like that is a little to close until I learn more anyway. I plan to start with half brother and sister.</p></blockquote><p></p>
[QUOTE="novatech, post: 482530, member: 5494"] I can tell you that I am no genius, and there are many on here that will agree with that statement. What I do try and do is keep an open mind. A couple of years ago I would have agreed that line breeding was wrong, given the fact I raised F1's and selling the benefits of heterosis. When I decided to switch over and go straight bred I started studying up on genetics in order to reach my goal relating to the quality of my cattle. What I found was that I had to find animals that fit my goal as close as possible. I studied the pedigrees of those animals and found that they shared common ancestors. I ran pedigree searches on many animals that were unattainable to me, but had the qualities I was looking for. Most of the cattle I found were line bred somewhere down the line. That got me thinking of line breeding and researching it. Along the way I found that most animals in nature are line bred/inbred. I even watched bucks in my own pasture mating with their own daughters. What line breeding does is double up on genes. When you double up on the genes the probability of passing them on increases. The key is to get rid of the bad genes by culling. In nature the animals with bad genetics are culled by natural selection.(They become part of the food chain). At this point I feel that a heard of production cows should be line bred, but their off spring should be a cross to provide heterosis if being used for terminal production. What cross breeding actually does is dilute the gene pool and can alter the results you are looking for. The more diverse the cattle are geneticly the more combinations there can be, therefore the more you take a chance in nonuniform cattle. Of course you will lose the benefit of heterosis, but you do not need it unless you are going terminal. I certainly hope this makes cents. Sometimes it is hard to get what I am thinking onto paper. Please if I am wrong on any of this correct me. If I seem to argue it is only to learn. As far as crossing as close as dam to son or the like, I feel like that is a little to close until I learn more anyway. I plan to start with half brother and sister. [/QUOTE]
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