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    • 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)
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    • Mayura Itoshigenami JNR
    • Coates Itoshigenami G113
    • Longford Mr Awesome
    • Sumo Michifuku F154
    • Mayura Notorious N0387
    • Mayura L0010
    • Blackmore Chiyofuku K733
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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

GATEWAY F154 GATEKEEPER S0024 (ET)

GATEWAY F154 GATEKEEPER S0024 (ET)

 AUS Reg: GTFFS0024 

(Link to Breedplan EBVs)

USA Reg: FB94421


Sire Stack: Sumo Michifuku F154 x Mayura Itoshigenami JNR x Yasufuku Jr x TF 151 x Kaneyama x Michifuku x TF Hikohime 34/2 x TF Hikohime 3/2 !!


Tested Recessive Free: B3F, CHSF, CL16FU, F11F, IARSF 

$607 BFI, $355 SRI, +4.0 MS, +26 CW, +10.4 REA, 0.66 MF 

(Feb Run 2 2025) 

*Tested Recessive Free 


Gatekeeper combines huge EMA (Ribeye) and great growth curve from birthweight through to heavy carcasses with breed leading Marble Score! Large ribeye area and high marble score are the two main profit determining factors in any Wagyu branded beef program. Gatekeeper is the perfect bull to increase profitability in your herd. Not to mention his pedigree combines breed leading carcass proven sires; Sumo Michifuku F154, Mayura Itoshigenami JNR, World K's Yasufuku Jr, and Itozuru Doi TF151! Gatekeeper traces directly to the elite transmitting cows Benlee Hikohime Z0444 and Benlee Hikohime V2058! These are proven matriarch's that have produced numerous elite proven sires. 


 *Mayura Notorious Maternal Line!  

• Benlee Z0444:

Great granddam of MAYURA PROLOGUE P1040 (AI) (ET)

Great granddam of MAYURA PRODIGY (AI) (ET) 

Great granddam of MAYURA PIONEER (AI) (ET) 


• Benlee V2058: (All Carcass Proven Sires)

Dam of SALISBURY MICK (AI) (ET) 

Great granddam of Mayura Notorious

Great granddam of 3D GENETICS 3DWFM0282 (#1 EMA bull in Breedplan)

Great granddam of EWETEC ETCFP8035 (AI) (ET) 

Granddam of JAC WAGYU ITOSHIGENAMI 138 (AI) (ET)


Owned in Partnership with 

Gateway Farms, Australia

SIRE: SUMO CATTLE CO MICHIFUKU F154 (AI)

The elite Sumo Cattle Company bred super sire F154 and Gatekeeper's sire. He is a World K's Michifuku son proven through the Sumo herd where he has averaged an 8.3 MS with a 987.8 lbs HCW on 34 carcasses. He has 79 carcasses on his Breedplan proof producing elite EBVs of 2.4 MS, 5.5 EMA, and 32 CW!

DAM: MAYURA N1273 (AI)

Gatekeeper's Mayura Station bred dam, who sold for $50,000 in the 2019 Elite Wagyu Sale as a heifer to Gateway Wagyu. She is sired by Mayura Itoshigenami JNR and from Mayura Notorious ' & Prologue's maternal line! N1273 is a extremely rare combination of Mayura Itoshigenami JNR, World K's Yasufuku Jr, and TF 151 Itozurudoi! 

With JNR: 1167 carcasses, Yasufuku 245 carcasses, and TF151 306 carcasses. N1273 has an enormous amount of carcass data behind her 3 generation pedigree! 

Maternal Grandsire: 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 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.

Maternal Great Grandsire: WORLD K'S YASUFUKU JR

Yasufuku Jr, is a rare son of the staple Japanese legend Yasufuku J930 paired with a Monjiro sired dam! He is carcass proven to excel in both marbling and ribeye area! Standing out with 243 carcasses in Breedplan and a 2.6 MS and 8.7 EMA (Feb1 2024). Yasufuku Jr was relatively under used in the greater Wagyu population, making him hard to find in elite pedigrees today. 

Maternal Great Great Grandsire: TF 151 ITOZURUDOI

TF 151 is often referred to as the best of original import sires because of his all-round excellence. He excels in his ability make heavy carcass weight, large ribeye areas, and high marble scores! Not to mention his daughters are legendary for their size, longevity, and milking ability. He died after import and had limited semen available, making him even more rare and sought after. 

MAYURA NOTORIOUS N0387

Great grandson of Benlee V2058.

V2058 is also the great great grandam of Gatekeeper! 

Brother: GATEWAY G113 GUARDIAN S0041 (ET)

Maternal brother of Gatekeeper, sired by G113! 

MAYURA PROLOGUE P1040 (AI) (ET)

Great grandson of Benlee Z0444 & great grandson of Benlee V2058

Z0444 is also the great great grandam of Gatekeeper! 


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