Page 56 - Chow LIfe - Winter 2018
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the facts are gathered and studied the original list of   been considered and taken together as a composite,
          stud dogs will be shortened.                         a reasonable projection can be made about the
          Seeing each of the final candidates first hand has   potential value of each stud dog. For example, if
          no substitute. Visit their kennels and watch them at   there are no ancestors or littermates with the desired
          shows. Remember that the skillful handling of dogs   traits, and if nothing is known about their health
          by paid professionals and the limited amount of time   history or temperament there is little reason to
          allowed a judge makes the show ring the second       believe they will produce these traits. They should be
          best place to see and evaluate them. Even the best of   removed from the list or placed near the bottom.
          breeders can miss an important fault that is carefully   If Mendel were asked to suggest an approach he
          hidden. It is always best to see them in a more      would have begun by asking if the parents had
          relaxed setting. Successful breeding programs always   produced offspring consistent in size, shape and
          analyze the information that has been collected.     color because he knew from his experiments that
          Four steps are generally used to check the desirability   if the parents came from pedigrees that produced
          of sires and dams:                                   indifferent sizes, shapes and undesirable colors they
                                                               should not be expected to produce individuals that
          1.  Frequency of desired traits occurring among their   would be similar each other or to their parents. He
          ancestors (three-generation pedigree)                discovered this simple truth in the 1860’s and it
          2.  Frequency of the desired traits found in their   should not be ignored today. Illustrated in Figure 1,
          littermates                                          are 10 hypothetical candidates that were considered
          3.  Number of carriers or affected littermates or    in a search for the best stud dog for a hypothetical
          ancestors identified in a three generation pedigree  bitch. At home breeders should develop a list the
          4.  Number of pups produced with desired traits      defects and traits considered important to their
                                                               breed.
          When all of the information from the checklist has

































                                             Figure 1.  Check List and Candidates

          Analysis of the Candidates                            characteristics. (6 out of 9 etc.). Sires # 2, 4, 8, 9 and
          Dogs number 1, 5, 6 and 7 have the best health        10 should not be considered further unless more
          histories and scored well on five of the six important   information can be found. To use these 5 sires is
          breed traits. They also ranked highest for having     equivalent to breeding blind. At first glance, sire #
          the best ratios of offspring that meet desired breed   3 looked like a promising candidate based on his
                                                       This page sponsored by
                                              Phil & Vicki DeGruy, Thunderhill Chow Chows


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