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    • Mayura Itoshigenami JNR
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    • Home
    • All ET & AI Sires
    • Sire Details
      • SYNERGY-W8 L10 CHAIRMAN
      • GATEWAY F154 GATEKEEPER
      • GATEWAY ITOSHIGENAMI S38
      • TRENT BRIDGE R112 (ET)
      • SYNERGY-W8 MR SOLAR
      • SYNERGY-W8 MR AMAZING
      • OLIVE GROVE WAGYU Q038
      • SYNERGY JNR SUPERIOR S594
      • GATEWAY G113 GUARDIAN
      • MIKU R109 (ET)
      • MARTIN TITUS (ET)
      • SYNERGY MICH SUZUTANI 87Q
      • SYNERGY TF148 SUZU 533G
      • SYNERGY JNR SUPREME S598
      • STONYRUN ID 151 ICHIRO 1
      • BPF MR SAN 4 (ET)
    • Buy Semen
    • Reference Sires
      • Synergy Program Details
      • Mayura Itoshigenami JNR
      • Coates Itoshigenami G113
      • Longford Mr Awesome
      • Sumo Michifuku F154
      • Mayura Notorious N0387
      • Mayura L0010
      • Blackmore Chiyofuku K733
Synergy Sires
  • Home
  • All ET & AI Sires
  • Sire Details
    • SYNERGY-W8 L10 CHAIRMAN
    • GATEWAY F154 GATEKEEPER
    • GATEWAY ITOSHIGENAMI S38
    • TRENT BRIDGE R112 (ET)
    • SYNERGY-W8 MR SOLAR
    • SYNERGY-W8 MR AMAZING
    • OLIVE GROVE WAGYU Q038
    • SYNERGY JNR SUPERIOR S594
    • GATEWAY G113 GUARDIAN
    • MIKU R109 (ET)
    • MARTIN TITUS (ET)
    • SYNERGY MICH SUZUTANI 87Q
    • SYNERGY TF148 SUZU 533G
    • SYNERGY JNR SUPREME S598
    • STONYRUN ID 151 ICHIRO 1
    • BPF MR SAN 4 (ET)
  • Buy Semen
  • Reference Sires
    • Synergy Program Details
    • Mayura Itoshigenami JNR
    • Coates Itoshigenami G113
    • Longford Mr Awesome
    • Sumo Michifuku F154
    • Mayura Notorious N0387
    • Mayura L0010
    • Blackmore Chiyofuku K733

SYNERGY JNR SUPERIOR S594 (ET)

SYNERGY JNR SUPERIOR S594 (ET)

 Now Available in USA & AUS!

AUS Reg: SYNFS594

(Link to Breedplan EBVs)

USA Reg: FB74645

 

Sire Stack: Mayura Itoshigenami JNR x Genjiro x Haruki 2 x Michifuku x 068 x Tak x Haruki 2 (Full sister to Shigeshigetani) x Suzutani !!!


Superior is a Project Link sire in Cohorts 3 & 4 of the Australian Progeny Test Program! 

The perfect bull to use on all United and F154 bloodlines!


 Superior has an amazing combination of low birth weight, positive milk, heavy carcass weight, large ribeye area, and high marble score. His dam is a Genjiro daughter with tremendous growth and maternal ability, having been line bred to Monjiro bloodlines through Genjiro, Haruki 2, and Michifuku. Superior blends genetics from the leading families of Suzutani, Okutani (Genjiro), and Dai 2 Kinntou 3 (JNR).


He is the 1st direct son of Mayura Itoshigenami JNR in the USA. JNR needs no introduction as he is the undisputed “King of Australian Sires”. His semen has sold to a world record $70,000 per straw and live progeny have sold to $280,000! This son of JNR has it all pedigree, genomic EBVs, and phenotype! JNR is a true once in a generation sire and the foundation of the Mayura Station branded beef program. He has more than 1,000 carcasses in the Mayura herd consistently grading AUS-Meat 9+, with leading ribeye area and carcass weight at a young age.


SYNERGY JNR SUPERIOR S594 (ET) descends from the Suzutani maternal line with a sire stack of Mayura Itoshigenami JNR x Genjiro x Haruki 2 x Michifuku x 068 x Metani x Heatherkura (Full sister to Shigeshigetani) x Suzutani! This cow family has produced elite marbling and ribeye steers for our branded beef line Stonyrun Farms. The 3/4th sibling to Superior's dam graded over 40% IMF and placed 2nd in the MIJ Carcass Camera category of the 2021 Triple Crown Steak Challenge. 


GEBV Highlights: $449 BFI, $288 SRI, 2.0 MS, 9.0 EMA, 43 CW!

(February 2 2025)


Sire: MAYURA ITOSHIGENAMI JNR (AI)

The “King of Australian Sires”. His semen has sold to a world record $70,000 per straw and live progeny have sold to $280,000! 

JNR is a true once in a generation sire and the foundation of the Mayura Station branded beef program. He has more than 1,000 carcasses in the Mayura herd consistently grading AUS-Meat 9+, with leading ribeye area and carcass weight at a young age.

Dam: SYNERGY SYN GENJ SUZU 66E (AI)

Superior's dam and direct daughter of Genjiro. She carries outstanding depth, strength, and width from from front to back. She is the perfect stylish Wagyu cow! 


SYNERGY SYN GENJ SUZU 66E (AI) has been a leading donor dam in the Synergy Wagyu herd! 

3/4TH SIBLING TO SUPERIOR'S DAM

The 3/4th sibling to Superior's dam graded over 40% IMF and placed 2nd in the MIJ Carcass Camera category of the 2021 Triple Crown Steak Challenge. 

SUPERIOR'S PEDIGREE

Stacked with Wagyu royalty! 

Granddam: SYNERGY HARU Y5 SUZU (ET)

The maternal granddam of Superior. A World K's Haruki 2 daughter, she has tremendous depth, strength, and cow-power! Y5 Suzu has one of deepest and strongest sire stacks that you will find with only proven sires! Haruki 2 x Michifuku x JVP 068 x Takazakura x Haruki 2 (Full sister to Shigeshigetani) x Suzutani! She has displayed fantastic longevity in our herd and is still producing calves today! 

Maternal Grandsire: GENJIRO

Superior's maternal grand sire and the renowned World K's Haruki 2 son of original import Okutani! Genjiro genetics are rare in the Wagyu breed and highly prized by those who possess them. Genjiro still ranks extremely well on Breedplan with a $245 SRI, 1.8 MS, 4.6 REA, and 31 CW (Feb1 2024)! 

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