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by sameh el mallah on 23 July 2013 - 05:07
can somebody help me with reading line-breeding? what to look for, what is good and bad? thanks
by Ibrahim on 24 July 2013 - 14:07
line breeding is the cornerstone of selective breeding. Selective breeding has given us cows that give the maximum amount of milk, sheep that give the maximum amount of wool, chickens that lay eggs almost every day and the most beautiful dogs in the world. There is nothing wrong with line breeding but it is like using a satellite navigation device – if it is not used intelligently you land up in Richmond, North Yorkshire when you intended to go to Richmond in London!
David Cavill
When you look at a subject dog's pedigree you sometimes see it is linebred on one or more dogs. The linebred on dog should pass more of its qualities to the subject dog, that is a generality but not necessarily true in every case. Therefore it is important that a breeder linebreeds on a dog/s of outstanding health and traits so as to reinforce those traits and health strengths in outcoming dogs. Also linebred on dog should have correct conformation and type.
When you use pedigree database press on the linbred on dog to open its personal pedigree, look at titles, HD and ED, read comments and check siblings and progeny. Intelligent people who are searching a certain dog sometimes start a post on pedigree data base forum and ask the more experienced for more info on that dog, usually they get good and valuable feed back.
Good luck
Ibrahim
David Cavill
When you look at a subject dog's pedigree you sometimes see it is linebred on one or more dogs. The linebred on dog should pass more of its qualities to the subject dog, that is a generality but not necessarily true in every case. Therefore it is important that a breeder linebreeds on a dog/s of outstanding health and traits so as to reinforce those traits and health strengths in outcoming dogs. Also linebred on dog should have correct conformation and type.
When you use pedigree database press on the linbred on dog to open its personal pedigree, look at titles, HD and ED, read comments and check siblings and progeny. Intelligent people who are searching a certain dog sometimes start a post on pedigree data base forum and ask the more experienced for more info on that dog, usually they get good and valuable feed back.
Good luck
Ibrahim
by bebo on 24 July 2013 - 17:07
not much to add to Ibrahim except that one of the inherent problems in (close) linebreeding is the lag between phenotypic and genetic discovery. to wit, genetic defects may go undetected for one or more generations. hence, breeders actively involved in (close) linebreeding need to be hyper-vigilant in monitoring, tracking, and potentially culling the offspring. and that's where the real problem arises as this kind of quality control is often and increasingly missing as the almighty and undeniably sizable $ tends to dominate decision making. while this opinion won't directly help you to 'read' linbreeding, it ought to give a few more attributes to look for such as health indicators (or the lack thereof), litter sizes, offspring survival ages and rates. alas, a lot of that info and related insights come from observing and talking to people.
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