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Category Archives: Inbreeding

Danehill inbred: Lucky Patch (NZ) upshot

31 Saturday Jul 2021

Posted by Thoroughbred Research in Inbreeding, The Thoroughbred Link

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Danehill, El Roca, genotype, Lucky Patch

Danehill inbreeding has once again been on social media airwave.

Statistics to inbreed Danehill has the exercise unproductive.

Additionally science places tsunami in-breeding can affect populations breeding future.

More questions & judges want clarity… ‘there are winners inbred to Danehill’

For opinions sake only …. we’re not too fussed to inbred Danehill models i.e. by 3rd remove. Nevertheless, curiosity is a better option.

Every call has a first-up impression. Over the other-side, hard-line statistics call it out.

Whilst Danehill was Australasian 90’s breed-shaper, we’re assuming the 20 years +, has ‘over corrected’ (the pendulum; balance of genetic). This scenario is through popularized breeding objectives: early maturing sprinter material, arrives model, genotype/phenotype standard. But there is an overdone dilemma. Was it intended?

‘you cannot change the morphology from one hour to the next without unfortunate losses in every way‘ (Gilberto Junqueria)

‘show the past, the selection, our horse and to alert to loss of characteristics of the pure- that which had occurred in recent years‘ (Gilberto Junqueria)

On pedigree matters – it is to a greater Understanding where greater influences arise.… pure Dominance.

Pure … overthrow everything else from the hybrid-nature thoroughbred. (That is Tesio lore…)

Let’s review an in-bred Danehill subject: – Lucky Patch (NZ) 4yo bay gelding Lucky Patch Horse Pedigree (pedigreequery.com)

Lucky Patch (El Roca) 3×3 inbred Danehill broke a 14 year old record at Sha-Tin.

Its all Lucky Patch racing video here.

2018 Gold Coast National Yearling Sale (AUD$40K purchase) secured

Lucky Patch (NZ). Earnings AUD$35,100 + HKD$5,875,500.

Lucky Patch (NZ) formally registered as Paleontologist and was exported to Hong Kong May 2020.

The planning (selection) to what strain (akin to a genetic trail) belongs to where/how/why one attains correct Influence of pedigree often, the Masters Touch.

Direct nearest influences, the mitochondrial DNA distaff has Lucky Patch’s dam Gould by Danehill Dancer.

Gould carries the distinguished ‘Big hitters’ namely Tourbillon/8Dx8Dx9d son Targui as inbred to Tourbillon. Big clue there!

– Tourbillon/Djebel thru My Baby/Clarion/Djeddah/Targui to their contemporary influences/descendants as by sire (El Roca) viz, Fastnet Rock, Rubiton (Century) X brood mare Sir Tristram, female Julioette by Targui.

This is a concentrate blueprint.

The dam, Gould has a 1/2 sister Gouldikova (AUS) by General Nediym which ran in South Africa for 19 starts, 2 wins and 6 placings. She bred the filly Good Times Roll by Time Thief for 1 win of 14 starts (South Africa).

To working out Danehill: – an old hand says…. the ‘want’ to overcook the pudding (pedigree) is often damage-done. It takes a good number of generations from ‘too much, too close’ dosages to soften back and what runs mostly, decidedly, the course ahead.

Insights to Sire El Roca recommended – confident appeal, he really ‘stands’ quality of a honest stallion.

  • another earlier read to El Roca winner and the money lands…
  • Ima Roca Bee (NZ) 2018 / Breeding / LOVERACING.NZ Ima Roca Bee Horse Pedigree (pedigreequery.com) to note Lalun by Djeddah by Djebel.

Danehill inbreds – give chase to the Right detail!

Thanks to Janice Winterhalter & Gilberto Junqueria for material/info.

Featured Image credit & Copyright Kimberley Mcintyre @ Horses Helping Humans

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Bred by Selection or Science?

18 Friday Jun 2021

Posted by Thoroughbred Research in Bloodstock analysis, genotype breeding, Hurry On, Inbreeding, race horse breeding

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racehorse breeding

“You never radically modify a breed in terms of weight and size without loss in other factors, acting in this way you throw the child out with the bath water. Our selection is slower, more traditional, but without losing the qualities that made it successful.” Gilberto Junqueira

Elysian Fields that we compete to, cometh the Holy-Grail genome; a pedigree has obstinate fact that breeding has skills of moral quality.

 The science progresses  –   1) mutation Whalebone monopolizes a greater population  2) other TB progenitors supplicate 3) Darley Arabian, Bylerley Turk and Godolphin Arabian are Turkomene, the stamina/stayer TT allelle.

Nearco/Northern Dancer are ‘speed’ sires.

The isolation to genome-maps, Tb-dW mutation Whalebone responsible to the English Thoroughbred, perhaps (?) might enshrine ‘W’ above all other characteristics.

     –  a solitary haplotype overall, is not a single solution.

The complex well – unknown sires and remote mares; never (hopefully) considered lesser contributory character.

In collateral lines Joseph Osborne in 1881 counted no less than 475 stallions with their names in the Stud-Book – all of them Arabians, Barbs or Turks imported chiefly during the reign of James I and Queen Anne (16 – 17th C) – Tesio, Breeding the Racehorse

Types conduce autogenous strains. Consideration is a ‘Type’ (speed or distance sire) across another genotype, to set-forth again another Type, and arrive (at best) optimal functionality.

The Type sits to Integrity & Selection.

The substructure beneath…  balance & ‘counterbalance’ is always the adaptation (function & purpose). 

Tesio (Breeding the Racehorse), to his thinking…  “to produce a great horse one must be able to find among his first 62 ancestors individuals which showed classic quality over 1 mile, 11/4mile, 11/2 miles and 2 miles. Without a representative of the 1 mile race in his pedigree it will be difficult to produce a horse of outstanding quality, because he will be incapable of those bursts of nervous energy which are synonymous with speed”

Tesio further notes – short distances went for 2nd and 3rd rate horses.

His, the undeniable objective … produce a horse of outstanding quality.

By market stimulus…the model of today’s contemporary breeding, for racing product, has peaked to nucleus speed.

To pendulum furthest , a collective mainstream breeding & racing, are albeit, speed systems. The other hand amiss. Stamina-stayer re: constitutional toughness exists to structure, support mechanism.

Tesio states 1) Without the machine breaking down 2) selected for their ability, 3) to withstand the terrific impact of speed” –  Tesio Breeding the Racehorse.

Tesio clearly recognized the 3 issues above. Welfare and quality are issues we face today.

It is never one solution, neither to coral speed by sequential C:C gene.

Acquiring ‘supreme’ dominant hereditary Factors are not purely affixing speed in-bred, but a thorough balance, elevated to another – a pre-potent cross-character.

The finding – ‘a’ dominant allele (if inherited, correctly) has a relentless character. It is generally explanative transposing genetics.  to arrive the specie with its corrective function.

A cross-character, type-vigour is highly aggressive, if/when expressed or introduced Intentionally.

“select quality of each character is in proportion to the rigour of the selection and the period of time that it covers”. (Tesio) 

It is an Ascendant factor. The imputation subtle.

 ascend – Hurry On   Martha’s daughters…  ⇒ equals 52 x’s Godolphin Arabian

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Inbreeding Virtues

28 Tuesday Apr 2020

Posted by Thoroughbred Research in Inbreeding, race horse breeding

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When the TBL site began – the ‘mission’ went to educate people whom knew little of  pedigree to the complexities of breeding through a layman’s eye.

Over the years, my mission has not changed.

People are eager always, to obtain more to pedigree substance. It is often indicated where pedigree programs have replaced the need for such subtleness – the algorithm will do it for them.

From old to new, there comes plentiful commentary how to interpret a pedigree & how to determine ‘what’ individuals drive overall, the pedigree’s vitality.

It is all very well appraising which superior, champion horse upon its performance and achievement gave the impetus to another already proven, champ pedigree. It is however, another ‘thing’ to project forward and keep the genetics turning favourably.

It would seem many a novice breeder, to commercial breeding thrives upon an inbreeding formula without fully comprehending why they doing it or decisively, what they are intending to achieve from it.

And oddly, I have yet to receive an answer…

This  1972 New Zealand Racehorse publication treasure below is edited, ‘cut’ and copied. These where the golden years of diligent breeding, to its explanation where the Breeders Intention and Principle is truly placed.

A Simple Explanation of Inbreeding Virtues.

The whole idea of inbreeding involves type fixation.

No system of such inbreeding has ever been evolved in the thoroughbred which produces 100% perfection.

What inbreeding is guaranteed to do is another matter. It exposes the homozygote and the degenerate animals produced from all such matings.

Breeders from the Royal Academy of thoroughbred genealogy are possessive of the knowledge and technique involved in distinguishing those lines designated as of homozygous composition against the heterozygous. 

These technical decisions are assessed directly from the pedigree, from the conformation, turf ability, and later in the brood mare paddocks.

…..from a faultless composition of the most desirable racing and breeding qualities it is to 1)Inbreed for speed and type fixation and 2) to outbreed for vigour, genetic contrast and 16f. staying ability.

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