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A lesson: (the Not) of Inbreeding viz., one Northern Dancer stats by Doctor Bryan Mayoh, founder of Eskdale Thoroughbreds, a breeder of UK National Hunt Thoroughbreds. His article expresses the not of in-breeding and or (as much) directing diversity to the thoroughbred pool.
Dr Bryan Mayoh (ARTICLE link>) 👇👇👇https://www.racecafe.co.nz/forums/index.php?/topic/109443-for-the-diehards-this-is-worth-readingmaybe-even-studing/
For and Against – what’s your Sire line consideration ? – https://www.racingpost.com/bloodstock/features/should-breeders-pay-attention-to-sire-lines-in-pursuit-of-producing-athletes-awBg60Y6fJgn/
The ‘natural’ Bloodhorse – https://www.horsemagazine.com/thm/2022/07/thoroughbred-blood-the-individual-counts/
Go with… the Outbreeding
The method of outbreeding is valuable for getting away from heavy duplications in the pedigree. It acts like an outcross where one of the parents is already inbred or linebred or both. The purpose is: breed away from intense concentration. Quite effective for producing high class performance! Really, it is to maximize an overall genetic expression. That is, it is over and above reckoned pedigree duplication via linebreeding & (hopefully) plugging into recessive/latent alleles whereby best practice, targeting to newer type. The exercise can use very good but non-commercial stallions proviso the overall profile ‘gathers’ multiple, potent variable sources and or, are not just ‘fixed’ in one individual. Yet, it just ‘fits’ well & with depth it creates.
This fine example upon 2025 G1 Grande Premio Henrique Possolo winner by #GA/GB male @ Put It Back (USA) – Square Dance (BRZ) a 3yo filly https://www.pedigreequery.com/new+dance6 (BRZ) carrying 10x Man O’ War. Princequillo influential factor to appear @ 5×5 Speak John, a ‘notable’ factor that appears to be increasingly thru many a superior pedigree.
The overview about the South America’s Brazil/ Argentina/Chile/ Urugay remains still to old gold-rich diversity; its bloodlines that no one in the western commercial reach out to. Having encountered only to south americas is Old Man (ARG) (former family 6-x, its now reassigned family 61), was a broodmare sire of a genetic giant Rico (ARG)
| RICO (ARG) b. H, 1919 {4-h}- PEAP: 1929-6; 1930-5; 1931-8; 1932-16; 1933-9; 1934-2; 1935-4; 1937-6; 1938-6; 1939-14; 1940-15; 1941-8; 1942-5; 1943-11; 1944-23) PEAAM: 1935-25; 1939-16; 1940-10; 1941-15; 1942-11; 1943-10; 1944-4; 1945-5; 1946-4; 1947-7; 1948-12; 1949-6; 1950-10; 1951-5; 1952-10; 1953-9; 1954-13; 1955-19 |
Old Man (ARG) ancestresses: with critical mass 3x Alice Hawthorne & 8x Guiccioli Fomento (ARG) has 5sx5s of Old Man (ARG) to be 6th dam sire of star-filly, New Dance (BRZ).
Put It Back (USA) has a sire son in Billon Dollar (BRZ) a producer of very fast horses where his gelded 4 yr old son https://www.pedigreequery.com/eletrizante+dollar Eletrizante Dollar (G1 winner) has broke at the Gavea Racecourse a new track over 1000m record which was previously stood by grand-sire Put it Back. His 4th dam reveals Jovita (URU) has, 5x5x5 Old Man (ARG) . FB Race Video below
https://www.facebook.com/100002025865668/videos/3954868984760676
These gems can still turn up unexpectantly. The perplexing becoming more as enlightenment by the odd truth: the Bruce Lowe tables failed the best & old female lines in Northern America and actively discriminated for that astonishing theory came based in Family numbers 1 and 2 progenies allotted to England’s classic races as represented to The Figure System.
Future pedigree patterns of the racehorse depend upon the strains used by private breeders much more to than commercial breeders.
Ken McLean – Quest for a Classic Winner
Many breeders still believe in the mathematic coefficiency table with displays a rapid decline of genetic impact from ancestors in each generation of a pedigree. The hybrid horse need not transmit anything like the tables suggest. One specific ancestor can mess up the statistics.
“One of the immortals of Argentine Thoroughbred History” – reference https://www.americanclassicpedigrees.com/old-man-arg.html
Penny Post (credit below)