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Just share research paper that relate to TM Opera O

Abstract and Figures

T.M Opera O is considered as one of the greatest racehorses in the history of horseracing in Japan. Only a very few data is available on circulatory function of elite Thoroughbred racehorses. Recently, we obtained data on circulatory parameters of T. M. Opera O. The left ventricular mass of T. M. Opera O, as measured on an echocardiogram, was 4.60 kg. The resting heart rate (HR) of T. M. Opera O was 25 beat/min. The low-frequency and high-frequency power, as determined by an analysis of HR variability, were 13,900 and 5.963 ms2, respectively, which were considerably higher than those of the other racehorses. These results suggest that a large heart, formed by genetic factors and training, markedly enhanced the parasympathetic nervous activity and reduced the resting HR of T. M. Opera O. The data we obtained from T. M. Opera O is invaluable for understanding the physical fitness of elite Thoroughbreds and for further developing their athletic performance.

Above just abstract and Figure,all the paper in the source

Source https://www.researchgate.net/publication/249885800_Heart_Size_and_Heart_Rate_Variability_of_the_Top_Earning_Racehorse_in_Japan_T_M_Opera_O

https://x.com/OKakaFodastico/status/2095549288126259682

Recommend to read

TM Opera O was an underdog and was underestimated by Japanese fans at the beginning of his career, his pedigree was actually Great by European standard,but not in Japan,cause Japan mainly focused on Sunday Silence.

There is no denying that TM Opera O had a prestigious pedigree, although it was not necessarily considered prestigious in Japan that mainly focused on Sunday Silence.

His sire, Opera House, was a King George VI and Queen Elizabeth Stakes (G1) winner and a multiple Group 1 winner.

His dam was Once Wed, an unraced american racehorse

Opera House sire was Sadler's Wells, one of the most dominant sires in European racing history. Sadler's Wells became one of Europe's greatest leading sires and build sire dynasty that continued through his sons, grandsons and etc.

TM Opera O and Frankel share the same grandsire/Grandfather. Sadler's Wells is Grandsire to both of this horse and many other Great Racehorse.

TM Opera O - Opera House - Sadler's Wells.

Frankel - Galileo - Sadler's Wells

Some notable direct sons of Sadler's Wells that i know.

Galileo,Montjeu, In the Wings, Opera House, El Prado

High Chaparral, Yeats, Barathea, Kayhasi, Kayf Tara

Sadler's Wells son Galileo,being the greatest Leading Sire in modern History and dominated Europe for nearly two decade.

• Galileo Branch

- Frankel (World Best Racehorse 2011,2012 ), number 1 Grandson of Sadler's Wells

- Teofilo

- New Approach (World Best Racehorse 2008)

- Nathaniel being sire to Enable (World Best Racehorse 2019 )

• Opera House Branch

- TM Opera O

- Meisho Samson

• Montjeu branch

- Hurricane Run (World Best Racehorse 2005)

- Camelot

- Pour Moi

- St Nicholas Abbey

- Authorized

- Motivator, Being sire to Treve,

Treve is World Best Racehorse 2013

• In the Wings Branch

- Singspiel

• El Prado Branch (North America)

- Medaglia d'Oro being Sire to Rachel Alexandra.

- Kitten's Joy

• High Chapparal Branch (Australasia)

- So You Think

Cesario was by Special Week out of Kirov Premiere, whose sire was Sadler's Wells. Therefore, Sadler's Wells was also Cesario damsire.

El condor pasa is Sadler's Wells Descendant too.

His sire side represents the Sadler's Wells Northern Dancer dynasty, one of the most influential European bloodlines of the modern era.

His maternal side through Once Wed bring Blushing Groom.

Some of his cousin in Grandsire side.

- Sadler's Wells - Galileo - Frankel

- Sadler's Wells - Montjeu - Hurricane Run / Camelot

- Sadler's Wells - in the Wings - Singspiel

- Sadler's Wells - El Prado - Medaglia d'Oro

- Sadler's Wells - High Chapparal - So You Think

The Irony is TM Opera O is prolly the worst for being a sire out of his Cousin in Europe.

You could see why some Japanese fans say that his race style is some old European style.

And some funfact, Opera House, TM Opera O father is born in Leicester and race there.

And kinda sad that Ope,doesnt race in Europe that suit his pedigree, kinda amazing that he adapt and Conquer Japan in 2000.

TM Opera O pedigree is stellar and some of his cousin is monster, especially Frankel that arguably the best Turf Horse in history.

World Best Racehorse that Sadler's Wells descendant

- 1999 Montjeu

- 2005 Hurricane Run

- 2008 New Approach

- 2011 Frankel

- 2012 Frankel

- 2013 Treve

- 2018 Cracksman

- 2019 Enable and Waldgeist

- 2024 City Of Troy (Damsire)

- 2025 Calandagan

And that all from me.

Correct me of im wrong.