Computing Percentage of Purity - How Pure Are They?

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Kirk- Cascade Herd US
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Joined: Tue Aug 29, 2006 7:21 am

Post by Kirk- Cascade Herd US »

Some of you world-wide Dexter fans may have seen from time to time that in North America there is a bit of a discussion (sometimes heated) between pedigree purists who are genuinely concerned about maintaining the absolute pedigree purity of American Dexters (back as many generations as possible) vs. those who feel that an occasional distant upgrade on a pedigree back more than 5 or 6 generations is a non-issue.

In response to one of these debates, I am attempting to somewhat scientifically compute the paper percentage of Dexter purity in a few animals that appear on many pedigrees. For the purposes of this computation, I'm going by the pedigree and not any conjecture/hearsay about any possible inaccuracies in the pedigree.

Can any of you tell me what you know of any other-than-Dexter breed crosses in the backgrounds of these three UK animals or can you help me compute their purity percentage?

Parndon Charley Pudding - M1928
Templeton Michaelmas Squeak - M2043
Homer Rixey Piella - F08611

Information like "Sire's Sire's Dam was 1/4 angus" or "Dam's Dam was 50% non-Dexter" would be helpful. Thanks in advance for any insights that any of you might have on these 3 animals.

Kirk

www.cascademeadowsfarm.com
Woodmagic
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Joined: Sun Nov 13, 2005 8:40 pm

Post by Woodmagic »

Kirk, you are treading a minefield [For the purposes of this computation, I'm going by the pedigree and not any conjecture/hearsay about any possible inaccuracies in the pedigree.] All three according to the Herd Book, are fully pedigree.
The only one of the three that I personally knew was Charlie Pudding. He was owned for many years by Phillippa Laing, and his breeding convinced her that he was in fact a cross with a Guernsey. She bought him as pure and showed him very successfully, when I first saw him I was not satisfied; there was something about the head that wasn’t right. What clinched it was when he was run with a Guernsey herd and produced a string of Guernsey calves. I suggest you contact Phillippa who will confirm this, as soon as she knew there was something wrong, she contacted the society, but it was already old history by then. Much too late to remedy it. I understand the breeder belatedly confirmed the cross. As Squeak’s breeder, Phillippa can also advise you on him.
wagra dexters
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Joined: Thu Mar 31, 2005 11:49 am
Location: Australia
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Post by wagra dexters »

Kirk, according to records!! Parndon Charley Pudding's paternal great-grand-dam, Freda, has no family.

Templeton Michaelmas Squeak appears to be from an upgraded dam line, 5th cross.

Homer Rixey Piella goes back 9 generations on one line to Lowther appendix stock. More info later if required but I am running out of daylight, cattle to tend.

I am obsessed with pedigrees as historical records, but must remember the bottleneck in the seventies, also the weird, wonderful, desperate and heartbreaking methods that were used to try to eliminate the dead bulldog from the annual calf drop.

In some cases where base stock have no numbers, they may well have been selected foundation stock, or unregistered pure bred Dexters. Also, for a brief period, animals were downgraded for late registration.
Graham Beever & Margaret Weir
http://www.wagra-dexter.com.au/
Woodmagic
Posts: 692
Joined: Sun Nov 13, 2005 8:40 pm

Post by Woodmagic »

They were also down graded from pedigree for carrying white in front of the navel!
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