Galileo’s affinity for female family 9

5 thoughts on “Galileo’s affinity for female family 9”

  1. This is an interesting observation, but there are two issues that urge against drawing too broad a conclusion from the raw data.

    One is the sample size, which is quite small as restricted to G1 winners. For instance with Tapit, if one SW yields 7.14 percent, then a second would be 14.28. The variation from a sample that size cannot be conclusive of anything.

    Second, the quality of the mares matters more than their tail-female designations. Galileo, Deep Impact, and Dubawi would have had the most select mates from their early books. Dansili and Tapit must less so, and it would be insightful to explore that in the context of this discussion.

    And to think that Bruce Lowe dissed Family 9.

    Best regards,

  2. So here is where Bruce Lowe numbers, and the reality of mitochondrial DNA diverge.

    The 2012 paper by Achilli, et al, which looked at the mitochondrial DNA of 83 different horse breeds, and subsequent analysis by others has found that while there are 18 different mitochondrial haplogroups for all equine breeds, the Thoroughbred is only found in 8 of them. That is, the female lines of all Thoroughbreds trace back to 8 mares born thousands of years ago.

    If we specifically look at the number 9 family, most of the known family falls in the “G” haplogroup. Of the branches of the #9 family that have been tested, the 9,9a,9e and 9f branches all look to fall into this haplogroup (one cannot be 100% certain that all lines in these branches are correct until the Stud Book decides to test them all).

    The branches that have been sampled that are not from the “G” haplogroup are 9b (which has a lot of errors in it) and 9c. These are in the “L” haplogroup.

    So, specifically looking at Fernando’s assertion we can say that while the #9 family may be popular with Galileo, the G1 winners Igugu, Magician, Alandi, Allegretto and Cima de Triomphe most likely don’t share the same common female ancestor as the rest of the #9 family may share so to say that they are from the same family isn’t correct and the numbers he presents don’t reflect genetic reality.

  3. body{font-family: Geneva,Arial,Helvetica,sans-serif;font-size:9pt;background-color: #ffffff;color: black;}

    Please expand on family 9 – thanks, John

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