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<blockquote data-quote="MY" data-source="post: 108696" data-attributes="member: 1649"><p>Maine Limi Man,</p><p></p><p>I think linebreding and inbreeding are fascinating too. Dun you also made a very astute observation when you said :</p><p></p><p></p><p></p><p>I feel the same way. I've always wanted to understand genetics better, so I've fooled with inbreeding starting with rats, and then dogs for 16 years now. Some sore lessons to be learned, as well as some old wives tales dispelled, but there's no better teacher than hands on experience. I plan on an inbred Hereford program as well in the near future. Right now I have a scatterbred cattle operation, and I find while it might be a sensible approach to most folks, it's completley foreign to me with my background.</p><p></p><p>Maine Limi Man,</p><p>What you said can sure be true, you can increase predictability while losing performance with a tight program, but it doesn't have to be that way. The tighter you get, the more important selectivity becomes. As we increase the Inbreeding Coefficient, we begin to produce a greater percentage of offspring who are more like their parents rather than other core ancestors. It becomes imperative to use the absolute best individuals from a tight program to keep the vigor alive. It also becomes important moving forward to produce another foundation animal that exceeds the original foundation ancestors of the family. If we fail to produce another keynote animal after a few generations, then what is the purpose of continuing down the path? Another thing I've done is maintain my family in 2 segments based on where I believe their traits are coming from, or classifying them as to who are they the most like in their pedigree. I've got full brothers and sisters that I personally classify as seperate segments of my family, even though they share identical pedigrees. The thought behind this is that these tight but distinctly different individuals when mated together will once again give me the vigor of the original cross, without having to make the dreaded outcross. It's all about management at this point of my program. If I just lumped them all into one pot without any forward thinking about maintaining and improving the quality of my inbred stock, then it becomes easy to lose the quality and produce a bunch of third rate bums. The real advantage to a program like this that is 3,4, and 5 generations deep where a man has hands on knowledge of everything in the pedigrees is that you can identify where the physical and performance traits orignated. Sticking with it long enough to see the light is all it really takes, along with making a few mistakes and tasting a little success along the way.</p></blockquote><p></p>
[QUOTE="MY, post: 108696, member: 1649"] Maine Limi Man, I think linebreding and inbreeding are fascinating too. Dun you also made a very astute observation when you said : I feel the same way. I've always wanted to understand genetics better, so I've fooled with inbreeding starting with rats, and then dogs for 16 years now. Some sore lessons to be learned, as well as some old wives tales dispelled, but there's no better teacher than hands on experience. I plan on an inbred Hereford program as well in the near future. Right now I have a scatterbred cattle operation, and I find while it might be a sensible approach to most folks, it's completley foreign to me with my background. Maine Limi Man, What you said can sure be true, you can increase predictability while losing performance with a tight program, but it doesn't have to be that way. The tighter you get, the more important selectivity becomes. As we increase the Inbreeding Coefficient, we begin to produce a greater percentage of offspring who are more like their parents rather than other core ancestors. It becomes imperative to use the absolute best individuals from a tight program to keep the vigor alive. It also becomes important moving forward to produce another foundation animal that exceeds the original foundation ancestors of the family. If we fail to produce another keynote animal after a few generations, then what is the purpose of continuing down the path? Another thing I've done is maintain my family in 2 segments based on where I believe their traits are coming from, or classifying them as to who are they the most like in their pedigree. I've got full brothers and sisters that I personally classify as seperate segments of my family, even though they share identical pedigrees. The thought behind this is that these tight but distinctly different individuals when mated together will once again give me the vigor of the original cross, without having to make the dreaded outcross. It's all about management at this point of my program. If I just lumped them all into one pot without any forward thinking about maintaining and improving the quality of my inbred stock, then it becomes easy to lose the quality and produce a bunch of third rate bums. The real advantage to a program like this that is 3,4, and 5 generations deep where a man has hands on knowledge of everything in the pedigrees is that you can identify where the physical and performance traits orignated. Sticking with it long enough to see the light is all it really takes, along with making a few mistakes and tasting a little success along the way. [/QUOTE]
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