Understanding the dosage index on thoroughbred pedigree

Get pedigrees reports for almost any thoroughbred and find out more about. The dosage system was developed to help early thoroughbred breeders identify. How to research a thoroughbred pedigree people often purchase horses that do not come with their registration papers. We trust that the new additions will assist in students of dosage in assessing current pedigrees. In the early part of the 20 th century, the distinguished french student lt col jj vuillier extensively researched the pedigrees of numerous thoroughbreds. Dosage, a technique for classifying thoroughbred pedigrees by type based on aptitudinal characteristics inherited from selected sires, originated in the early part of this century from the research of the frenchman lt. Of all the angles a handicapper must study, pedigree analysis is perhaps one of the most difficult, but dont be intimidated. These aptitudes constitute the full spectrum of pure speed on the left to pure stamina on the right and its particular pattern symbolizes the aptitudinal type of the pedigree. Thoroughbred breeding theories are used by horse breeders in an attempt to arrange matings that produce progeny successful in horse racing. Although originally devised as a breeding theory, dosage has evolved into a pedigree classification technique used by owners, breeders and handicappers to buy, breed and bet on the best. The higher the number, the more speedoriented was a horses pedigree. Get started finding pedigree and ancestry information for any handicapping report in our database by entering the handicapping reports name in the header search form.

The process of handicapping can be compared to an art form. How to research an offthetrack thoroughbreds pedigree. I would like to personally thank dr roman for his work over the years in developing the list, often in consultation with steve miller from the uk who gave his input into european racing. Dosage, a technique for classifying thoroughbred pedigrees by type based on aptitudinal characteristics inherited from selected sires, originated in the early part of this century from. Trying to understand how to read a thoroughbred pedigree. Truenicks thoroughbred nicking and pedigree analysis.

Vuillier conducted a study of the top runners in england and france. When a chefderace is in a horses pedigree, a numerical value is. Some of the more prominent include the aforementioned bahram, dastur, majideh, gallant man, nasrullah and mahmoud, as well as firdaussi, turkhan, khaled, migoli, tulyar, saint crespin iii, sheshoon, charlottesville and others. If this is your first time visiting the site, you can pull up the pedigree for any horse in the database by simply entering its name in the form. Breeding thoroughbred racehorses blends art and science. Thoroughbred pedigree database containing more than 2. Jan 30, 2012 i recently was given a 2 year old filly whom is registered and comes from a pretty amazing family of racehorses. I recently was given a 2 year old filly whom is registered and comes from a pretty amazing family of racehorses. Alan porter explains why truenicks is set to drop dosage from its. A basic understanding of these theories can also help the racing public understand a horses theoretical genetic potential. The pedigree below isnt a working pedigree, but on the site, you can run your mouse over these icons to get photos or additional information for the horse in question.

I found a sentence that sums it up perfectly in, horse people. Thoroughbred pedigree for understanding, progeny, and female family reports from the thoroughbred horse pedigree query. Owners of those ancestors made decisions on mating horses, planning each. I have been researching how to read the pedigree and am having problems understanding dosage index and the other numbers with it can someone who is familiar with reading race horse pedigrees please help me with these numbers. Jan 29, 2010 based on assumption, dosage is a mathematical analysis of the strengths in a thoroughbred pedigree based upon the location of certain outstanding sires in its family. Though interest in dosage theory has waned in recent years, there are still those who adhere to the pedigree based formula. Where dosage looks for the influence of stallions in a given pedigree, it does not distinguish where each stallion appears in the pedigree it could be the sire of the subject horse, or it could be the maternal grandsire of the second dam. These letters signify the fappiano is a chefderace horse and they are used to calculate the dosage numbers above the pedigree dp. Bloodstock experts also rely on these theories when purchasing young horses or breeding stock. Then he divided the number of speed points by the number of stamina points to calculate the dosage index. Additionally, when dosage is used to interpret a pedigree which has few chefderace sires close up and it happens often, then using it actually distorts, rather than refines ones understanding of the pedigree. Frankels dosage profile is 521571 based on romans chefsderace list. Thoroughbred culture in lexington and newmarket, by rebecca louise cassidy. But its still possible to research the pedigree of an offthetrack thoroughbred.

The horse you seeor the foal you envisionreflects generations of ancestors. With each passing day, more and more little ones are running through the fields here in lexington, kentucky with their proud moms. The details of dosage methodology have been summarized in dr. A number of these books are cited in this book of binns and morris, and the theories dismissed on scientific grounds. The racing index charts show up on our pedigree handicapping reports and. Roman was one of the original creators of the dosage index. Dp is dosage profile, except itd be written 26631 is there a number missing. Thoroughbred breeding theories 101 part 1 winchester feed. Vuillier, who identified stallions who showed up frequently in the pedigrees of european classic winners. Hi, jessica so glad you asked about the alphabet soup on a pedigree chart. Truenicks reader question why do the dosage index and. He termed this the dosage index that is determined through a mathematical formula and central to our modern interpretation of the study. We have now included the current updated list of anz chefsderace. Horse, sire, bm sire, dosage profile, di, cd, gsv, sire, bm sire, reines, coi, family.

Here you can download a free copy in pdf format of an updated and final edition of steve romans dosage. How to research an offthetrack thoroughbred s pedigree. No two handicappers look at the past performances in the same way, although they may come to the same conclusion as to the correct outcome o. Can someone please explain what a dosage profile, di and cd. Page 20 vuilliers creation was instrumental in shaping his pedigree insights and preferences. Here is a look at this years kentucky derby contenders and their dosage. This page is a great starting point for understanding our handicapping reports and.

First off i have to agree with karen and eilise answers. Dosage, a technique for classifying thoroughbred pedigrees by type, origestral performance, dosage relies on the dynamics of inheritance. This website is a resource for australian and nz students of the study of dosages in thoroughbred racehorses. One the last great ways to identify big value bets for national hunt racing is to use the dosage index together with winner profiling. Dosage figures are based on a list that works like a whos who of thoroughbred breeding.

Pdf index generator parses your book, collects the index words and their location in the book, then writes the generated index to a pdf or a text file you specify. Tail female and family numbers the tail female pedigree is one that goes from dam to dam. Evaluates the sire line cross of any pedigree, with nick rating, fivegeneration pedigree, and the five best racehorses bred on the cross. Franco varolas work on pedigree analysis, the system identifies patterns of ability in horses based on a list of prepotent sires, each of whom is a chefderace. Dosage is a breeding theory that some handicappers swear by to. Among many of his findings were some factors that continue to be effective today. From now until june, more than 20,000 thoroughbred foals will be born in north america. Roman is ending his association with thoroughbred racing after more than 50 years as an owner, consultant, writer and educator and he informed me that he is making an updated version of his book dosage. Page 20 30 years the aga khan also bred an impressive number of superior horses including a host of champions and classic winners. And understand how to find your thoroughbred s pedigree if it is a former racehorse.

Pedigree onlines animal pedigree database is the largest collection of animal pedigrees from around the world. This is the final published list of chefsderace that appeared on. Dosage is a system that attempts to predict the distance potential of horses based on certain sires in the first four generations of their pedigrees. A basic understanding of these theories can also help the racing public understand a horses theoretical. So right off the bat, dosage is at the least 50% flawed, or half wrong. The relationship between the dosage index di and the center of distribution cd dosage profile patterns. The principles of dosage analysis however are founded on the basis that each of these chefs contributed a predictable characteristic to each of his progeny. Dosage, a technique for classifying thoroughbred pedigrees by type based on. The dosage profile allows for the calculation of a dosage index di and a center of distribution cd, related indices that express the ratio of inherited speed to stamina in a pedigree and can be used for statistical analysis. These will be noted in the pedigree with small icons. These certain sires are called chefsderace french for chiefs of the breed. Welcome to pedigree onlines thoroughbred pedigree database, an online thoroughbred horse database consisting of more than 2. Let us take a look at frankels dosage profile to see how romans approach works in practice. Owners of those ancestors made decisions on mating horses, planning each generation.

Frankel is the worlds highest rated horse of all time, winning 14 races in a row before retiring unbeaten in october 2012. Romans research showed that no horse had won the kentucky derby with a dosage index of 4. But its still possible to research the pedigree of an off the track thoroughbred. There is an undeniable link between vuilliers philosophy and the aga khans. Steven romans book on thoroughbred dosage and performance by derek simon. Dosage is an alternative to breeding the best to the best, as it interprets pedigrees in the context of inherited speed and stamina. With the retirement of dr steve roman, creator of the dosage index, we aim to become the leading resource for the continuation of the study of dosage and the thoroughbred. Reading our pedigree charts pedigree handicapping reports. Dr romans international list of chefsderace thoroughbred. Every year during the triple crown, the subject of dosage is dragged out of the closet and dusted off. Although there are actually many dosage theories, the one most commonly thought of as dosage is the one as interpreted by dr. Table 1 pedigree and dosage index calculation for 2005. Sep 18, 20 a dosage index is a mathematical figure used to quantify a horses ability to handle various distances based on the appearance of influential sires in the bloodline. About a hundred years ago, a french thoroughbred racing scholar named lt.

Most modern thoroughbred can trace tail female to one of 43 mares that. Dosage and sireline nicks have a few similarities but are quite different tools. Dosage theory attempts to predict ability based upon the analysis of superior male ancestors in a horses pedigree and is used by gamblers and breeders to forecast the likely distance over which a horse will excel. Pedigree and performance, originally published in 2003, available to the public for free. The heart of the dosage business is the roster of chefsderace, the 9 sires whose distancesiring tendencies provide the foundation of the program.

Chefs and dosage certain sires in a pedigree may show up with letters in brackets after their year of birth. Get started finding pedigree and ancestry information for any animal in our database by entering the animals name in the header search form. This is a revised version of the original book containing additional material and updated through the 2016 triple crown races. Home pedigree and performance in thoroughbred racing. Pdf index generator is a powerful indexing utility for generating an index from your book and writing it to your book in 4 easy steps. A friend recently gave me several boxes of books on breeding racehorses. The dosage index and center of distribution are calculated from the mix of chefs in the first four generations of a horses pedigree. The dosage index di and related center of distribution cd largely represent the ratio of speed and stamina. Pedigree and performance, originally published in 2003, available to. They selected animals by examining the successes of previous horsemen, asthe horse you seeor the foal you envisionreflects generations of ancestors.

Interest in determining which sires of race horses transmit raw speed, and which. Pedigree terminology and down the stretch they come. Yet, if you look up a horses pedigree, you see the dosage index. It is calculated based on an analysis of the horses pedigree. In his bloodlines column for the daily racing form in 1981, leo rasmussen wrote a threepart series presenting dr. Dosage index di is a system that attempts to predict the distance potential of horses based on certain sires in the first four generations of their pedigrees. Learn the meaning of offthetrack thoroughbred, or ottb. Oct 22, 2008 dosage is a statistical tool used to predict performance. Originator of the contemporary dosage system, steve roman, ph. To arrive at frankels dosage index, one must take the sum of the first two figures and half of the third and divide it by the sum of the last two figures and half of the third.

Or that the shallow understanding of speed and quality in a race horse is. I will post a little more about these updates and their importance to the breed. I have been browsing the web like you did to understand di and cd figures a bit more. A little basic knowledge can be very effective, particularly when betting on races for 2yearolds, firsttime starters or horses making a surface change. The dosage index di is a number that indicates a horses potential for speed or stamina. Thoroughbred dosage index software mihov index maker v. The median dosage index of contemporary north american thoroughbreds is estimated at 2. As an alternative and complementary method of pedigree. The dosage index is a mathematical figure used by breeders of thoroughbred race horses, and sometimes by bettors handicapping horse races, to quantify a horses ability, or inability, to negotiate the various distances at which horse races are run. A dosage index is a mathematical figure used to quantify a horses ability to handle various distances based on the appearance of influential sires in the bloodline. The initial roman dosage chefs and their placements in the aptitudinal groups were retroclassified so that every kentucky derby winner from 1929 the first year calculated up until the launch of the roman dosage in the early 1980s would have an dosage index of less than 4.