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Inbreeding and Relatedness Coefficients extended to 10 generations

Monday, February 04, 2019 11:29 AM

This morning you may see that we have extended the computations of the Coefficient of Inbreeding and Coefficient of Relatedness to 10 generations. These coefficients were previously calculated over 8 and 6 generations respectively and were done to that generation previously due to computational restrictions, i.e, the speed of the computers and the frequency of... Read More...

Written by Byron Rogers | Feb 04, 2019 | 0 Comments

The Disappearance of Dosage

Monday, December 10, 2018 9:14 AM

A couple of weeks ago the manager of a TrueNicks enrolled stallion called to tell us that a hypothetical mating had generated Dosage Figures that were all zeroes – zeroes for each category in the Dosage Profile; a Dosage Index of zero; and a Center of Distribution of zero. A check confirmed that this was not an error, and nor was it the result of an obscure pedigree... Read More...

Written by Byron Rogers | Dec 10, 2018 | 0 Comments

mtDNA and Tregonwell's Natural Barb

Monday, October 20, 2014 1:48 PM

A year or so ago another company that I am associated with, Performance Genetics, did a private study on mitochondrial DNA, the strand of DNA that is maternally inherited in all species and can be used to classify female lineages. We were specifically looking into the #1 family of Tregonwell's Natural Barb which is now that of the likes of Black Caviar, Super... Read More...

Written by Byron Rogers | Oct 20, 2014 | 0 Comments

Kissing Cousins: Australia and Taghrooda

Sunday, June 08, 2014 10:20 AM

Last week saw the running of the Epsom Oaks (Eng-I) and Derby (Eng-I), two of the longest existing classic races in the world and for many the barometer of the Thoroughbred breed. The Derby was won in devastating fashion by the royally bred Australia. A son of the good racehorse and now leading sire Galileo ( TrueNicks ), Australia is out of Ouija Board, one... Read More...

Written by Byron Rogers | Jun 08, 2014 | 0 Comments

Return to the Sire the Best Blood of His Dam

Tuesday, October 15, 2013 5:00 PM

The breeding maxim " Return to the sire the best blood of his dam " has been attributed to longtime Darby Dan Farm manager Olin Gentry. Gentry wasn't the first to suggest this breeding theory, indeed there is evidence to suggest that it first came into livestock management via the Bedouins in upgrading Arabian stock centuries ago. The theory is that when mating... Read More...

Written by Byron Rogers | Oct 15, 2013 | 6 Comments

Will Take Charge's Resilience Pays Off in Travers

Friday, August 30, 2013 7:00 AM

Classic trials apart, in the U.S. the championship-defining contests for straight 3-year-olds are usually the three Triple Crown events plus the Haskell Invitational (gr. I) and the Travers Stakes (gr. I). Prior to the weekend, the first four events had taken place and had been won by four different horses: Orb (Kentucky Derby, gr. I), Oxbow (Preakness Stakes... Read More...

Written by Alan Porter | Aug 30, 2013 | 0 Comments

Departing Adds to Confidence on War Front/Pulpit Cross

Friday, August 16, 2013 11:20 AM

While there is no doubt that nicks tend to run in sire lines, we've also often found it profitable to consider the dam of a stallion when attempting to predict potential crosses. For example, when Smart Strike ( TrueNicks ) retired to stud, we noted that he was a half brother to champion Dance Smartly, a daughter of Danzig. Since Smart Strike was a Mr. Prospector... Read More...

Written by Alan Porter | Aug 16, 2013 | 0 Comments

Smart Strike/Wild Again Nick Moving Fast

Friday, August 09, 2013 7:00 AM

Unbeaten filly Stopshoppingdebbie, a daughter of Curlin ( TrueNicks ), will try to become the first horse to sweep the Emerald Downs 3-year-old filly stakes division in tomorrow's Washington Oaks. She's bred on the emerging nick of Smart Strike ( TrueNicks ) and his sons over Wild Again mares. Photo: Erin Palmer/Emerald Downs Stopshoppingdebbie (right) wins the... Read More...

Written by Ian Tapp | Aug 09, 2013 | 7 Comments

Galileo/Danehill Revisited

Thursday, July 18, 2013 12:45 AM

A little over two years ago, we looked at the cross of Galileo with mares by Danehill . This was fast becoming a European mega nick, having—in the space of three weeks—been represented by Frankel, who had just taken the Two Thousand Guineas (Eng-I) in breathtaking style; Golden Lilac, successful in the French One Thousand Guineas (Fr-I); and Roderic O'Connor... Read More...

Written by Alan Porter | Jul 18, 2013 | 7 Comments

A Classic Case of Coincidence?

Wednesday, May 29, 2013 10:40 AM

The interpretation of Thoroughbred pedigrees is no simple matter. The multi-factorial elements that might be considered include nicks, inbreeding, linebreeding, the positions of ancestors relative to one another, the relationship of the pedigree to the female line, and the class of the individuals involved. Given the volume of the data, and the difficulty of... Read More...

Written by Alan Porter | May 29, 2013 | 12 Comments

Frankel's First Mating: Lots of Inbreeding

Monday, March 04, 2013 7:00 PM

15.33%. That's the coefficient of relatedness between Frankel and Chrysanthemum, the first mare scanned in foal to the champion racehorse during his first season at stud. As a point of comparison, first cousins are 12.5% related and half siblings are 25% related. Chrysanthemum, owned by the Coolmore team of Tabor, Magnier, and Smith, won a pair of group III races... Read More...

Written by Ian Tapp | Mar 04, 2013 | 28 Comments

Announcing the All New Key Ancestors Report

Thursday, January 10, 2013 11:00 AM

Today TrueNicks is pleased to announce the new Key Ancestors Report, a breakthrough report that considers your mare's entire pedigree—all male and female ancestors—and identifies the key ancestors to seek out or avoid in the pedigrees of stallions in prospective matings. TrueNicks' Byron Rogers and Ian Tapp discuss the new report in the video below. brightcove... Read More...

Written by Ian Tapp | Jan 10, 2013 | 41 Comments

Frankel Highlights Success of Danehill Mares

Monday, October 22, 2012 11:00 AM

On a week when much will be written about the great Frankel (Galileo– Kind , by Danehill) as he retires to Juddmonte Farms to serve his first season at stud in 2013, this writer had pause to reflect on the outstanding performance of his broodmare sire, Danehill, who has thus far proved himself a phenomenon as a sire and broodmare sire in two hemispheres—a true... Read More...

Written by Byron Rogers | Oct 22, 2012 | 3 Comments

Dream Fulfilled

Wednesday, September 05, 2012 1:00 PM

With Danedream flashing her credentials for a shot at back-to-back victories in the Prix de l'Arc de Triomphe (Fr-I) with a score in the Grosser Preis von Baden (Ger-I) at the weekend, we thought it was worth a look back at her pedigree from this article we wrote for the International Thoroughbred after her win in the King George VI & Queen Elizabeth Stakes in... Read More...

Written by Alan Porter | Sep 05, 2012 | 8 Comments

Gary Hadden Discusses Mating of Reckless Abandon

Thursday, August 23, 2012 5:00 PM

Last weekend was an exciting one for bloodstock consultant Gary Hadden ( haddenbloodstock.com ). Gary recommended the mating that produced Reckless Abandon, a son of Exchange Rate ( TrueNicks , SRO ) who won Sunday's Darley Prix Morny (Fr-I) and solidified himself as the top European 2-year-old. The colt previously took the Norfolk Stakes (Eng-II) at Royal Ascot... Read More...

Written by Ian Tapp | Aug 23, 2012 | 7 Comments

Kauai Katie: Repeating the Pattern

Thursday, August 16, 2012 11:30 AM

It's still very early in the season for serious juvenile competition, but there is no doubt that one of the most impressive 2-year-old fillies seen to date is Kauai Katie. Successful by 12 lengths on her debut ( video ), the Stonestreet Stable color-bearer returned to action at Saratoga in the Adirondack Stakes (gr. II), and captured the 6 1/2-furlong event by... Read More...

Written by Alan Porter | Aug 16, 2012 | 5 Comments

Chichicastenango's Never Bend Affinity

Wednesday, June 13, 2012 4:45 PM

A few weeks ago, when looking at the emerging French second year sire Turtle Bowl , we noted that he conformed to something of a recent trend in France, the appearance of a number of good sires with relatively unfashionable pedigrees, other examples that come to mind including Linamix (by Mendez), Muhtathir (by Elmaamul), and Chichicastenango (by Smadoun). The... Read More...

Written by Alan Porter | Jun 13, 2012 | 5 Comments

Taking Charge of the Pedigree

Thursday, April 05, 2012 4:45 PM

The most recent weekend saw two Kentucky Derby (gr. I) preps with $1 million purses, and both resulted in upsets. The Florida Derby (gr. I, video ) seeing longtime Derby favorite Union Rags and the well-regarded El Padrino finish third and fourth, respectively, behind gate-to-wire scorer Take Charge Indy. The Louisiana Derby (gr. II, video ) fell to another pacesetter... Read More...

Written by Alan Porter | Apr 05, 2012 | 7 Comments

Deconstructing Black Caviar

Thursday, February 16, 2012 11:30 AM

The brilliant victory of Black Caviar in the MRC C.F. Orr Stakes (gr. I, video below) - which took her record to 18 wins in 18 starts - gives us an excuse to post an article of her pedigree that ran in the Australian publication Inside Breeding last year, which explored the potential reasoning behind the mating that led to her. Why is Black Caviar brilliant?... Read More...

Written by Alan Porter | Feb 16, 2012 | 12 Comments

Conference Features Top Pedigree Pundits

Wednesday, August 31, 2011 4:00 PM

The two-day 2011 Thoroughbred Pedigree, Genetics & Performance Conference , to be held at the Marriott Griffin Gate hotel in Lexington, Ky., September 7-8, kicks off one week from today, and several well-known pedigree analysts will be on hand to share their perspective. Scene at last year's panel discussion The agenda includes Sid Fernando, president of eMatings... Read More...

Written by Ian Tapp | Aug 31, 2011 | 5 Comments

It's All Relative

Friday, February 05, 2010 11:22 AM

Last weekend was relatively light on graded stakes action in the U.S., with just three races at that level. Two of the three, however, went to horses with interesting genetic relative inbreeding. Medaglia d'Oro ( TrueNicks , SRO )’s “other” grade I winning filly, Gabby’s Golden Gal, took her second race at that level, the Santa Monica Handicap (gr. I). She is... Read More...

Written by Alan Porter 1 | Feb 05, 2010 | 2 Comments

A Crowded Family Portrait

Tuesday, January 26, 2010 2:46 PM

We have to wonder if there has been a more prolific family in the last couple of years than that of the Verbatim mare, Right Word, the dam of three stakes winners: the graded scorer Ascutney and Words of War (both by Lord At War) and Word o’ Ransom (by Red Ransom). Ascutney is dam of two graded winners, headed by Raven’s Pass, winner of the 2008 Breeders’ Cup... Read More...

Written by Alan Porter 1 | Jan 26, 2010 | 1 Comment

On the Road

Tuesday, January 19, 2010 3:24 PM

It’s only the third week in January, but the classic generation are already beginning to crank up. As far as the Derby is concerned the most significant race was the San Rafael Stakes (gr. III). This was won by unbeaten Conveyance, a son of Indian Charlie ( TrueNicks , SRO ). The dam, Emptythetill, is by Holy Bull ( TrueNicks , SRO ) , out of a Mr. Prospector... Read More...

Written by Alan Porter 1 | Jan 19, 2010 | 2 Comments

What's the Difference?

Sunday, January 10, 2010 12:30 PM

Russell asks : Why are the ratings found in the Stallion Affinity Report not the same as the ratings obtained by running an individual mating? As an example, Storm Cat over Yonaguska gets a TrueNicks rating of A+ according to the sample affinity report shown for Storm Cat. I ran my Yonaguska mare, Bella Cherokee, with Frost Giant using the TrueNicks link on the... Read More...

Written by Alan Porter 1 | Jan 10, 2010 | 2 Comments

Keep On Rolling

Thursday, January 07, 2010 9:30 AM

Giant's Causeway ( TrueNicks , SRO ) celebrated his first Leading Sire crown in appropriate fashion, notching up his twenty-third stakes winner of the year when Tiger’s Rock captured the Gallant Fox Handicap at Aqueduct on December 31. This was the first stakes win for the three-year-old, who is out of the Afleet mare, Call Me Fleet (TrueNicks rated A ). What... Read More...

Written by Alan Porter 1 | Jan 07, 2010 | 0 Comments

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