Ginjo Hiranami MarbleMax™ B901
Ginjo MarbleMax™ Hiranami B901 – Superior Weaning Weights, Superfine Marbling, Highly Profitable Carcasses

Picture: ‘New Age’ superfine marbling AI sire Ginjo MarbleMax™ Hiranami B901
MarbleMax™ B901 was the star Australian performer in the New Age (Beyond BMS 9) carcass rankings announced at the 2012 Australian Wagyu Association annual conference. The local AI sire was #2 in overall international carcass evaluation (of progeny of international and local sires), which focuses on carcass quality attributes.
In addition to superfine marbling with outstanding supporting carcass quality attributes, MarbleMax B901 promises carcass quantity - optimised production efficiency for both fullblood cow/calf feeder producers and feedlot managers/processors. In the rejuventated F1 (cross-breeding) market, he is an AI sire option for greater growth and profitability, approved in at least one major Australian feeder/processor system. A number of B901 sons will become available in 2013.
MarbleMax™ B901 can demonstrate consistent fullblood progeny marbling at AUSMEAT 8-9, with HDCW averaging over 440kg (~530kg) over all progeny so far, plus substantially heritable rib eye area averages around 47 sq.cm (~57 sq cm). Superior performance during early growout is a feature. He represents an exceptional choice for efficient fullblood feeder production for weaner sale or vertically integrated operators; targeting superior gross returns when joining smaller, high Tajima females for feeders, or in setting up a new generation of larger-frame breeders. Results over larger Fujiyoshi/Itozakura joinings are outstanding, as results below illustrate.
B901 is tested FREE of AWA-notifiable genetic defects. Economical semen is available in bulk in Australia. Licensed semen is currently available for Canada, Brazil, Uruguay and Argentina. Limited stocks are available in the United States, with further collection underway.
New Age (Beyond BMS 9) Competition Technology
The ‘New Age’ carcass assessment uses state-of-the-art Japanese digital camera technology as employed in Japanese LIAJ progeny test assessment of new generations of AI sires for national production in Japan and is also deployed in the identification of super-fine marbling in such prefectures as Hyogo (home of Kobe Beef).
Carcass quality parameters measured by the AWA-owned camera (for digital image assessment) include:
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‘New Age’ Digital Camera Carcass Measurements
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Marbling percentage (IMF %)
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Fineness of marbling
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Coarseness of marbling
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Ribeye area
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Ribeye shape
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Meat colour
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Fat colour
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Images of Superfine Carcass Performance
The following images of the selected B901-sired carcass are from the digital camera assessment:


Click each photos for larger Images...
Additional High Integrity Performance Data
All carcass data was supplied courtesy of AACo, Aronui Feedlot, Dalby. The following additional steps were taken to ensure the highest possible data integrity in assessing B901 feedlot performance.
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Full sibling benchmark. A full flush sibling was fed/finished to provide a consistency benchmark.
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DNA verification. All feeder siblings/progeny were University of Queensland parent-verified by DNA. This eliminates the substantial risk of mix-up in commercial registration NM multi-sire programs.
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AWA Registration. Feeder progeny were/are registered on the basis of DNA parent verification with the Australian Wagyu Association, which exceeds the AWA Commercial registration requirement (see performance tables for registration details).
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Independent feeding. All feeders were sold outright into Australia’s largest fullblood commercial feeding operation, and finished without preferential treatment of any kind.
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Independent grading. All carcasses were independently graded on a commercial production line, without any breeder involvement.
We are also indebted to AACo for the nutritional programs that enable a ‘pass’ for the sire in the ultimate ‘commercial reality check’. We are not aware of ANY superior data integrity/veracity regime available for fullblood feeder assessment in Australia.
Selection Process
The B901 progeny target was high pre-weaner growth with zero-supplementation; to set up maximum weaner profitability. This potential is recognised in his Wagyu Group BreedPlan 200 day weight EBV, which is in the upper ranks for the Australian national Wagyu herd..
Taking raw data from the Ginjo ‘Stockbook’ herd database, the average B901 heifer achieves 184kg at 185 days of age; the average castrate achieves 210.5kg at 210 days of age. In both cases without dam or direct supplementation.
For the purposes of benchmarking carcass performance for the specific sire pedigree, a full flush brother (Ginjo B906) was sold onto feed with the normal feeder autumn draft sent to AACo, Aronui. This full brother turned in an outstanding result as detailed below, despite a significantly shorter feed period than would be normal under Japanese conditions.
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AWA Pedigree (click thru)
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UQ DNA
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Hyogo (Tajima) % Infusion
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DOF
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ADG
(kg)
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HDCW
(kg)
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Mb
(JMGA-adapt)
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GINFB0906
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88655
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44%
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525
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0.91
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431.5
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10/12
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Note: Comparative marbling: JMGA No 3-4 approximates USDA Prime (Abundant). No 12 is top score.
The carcass ‘consistency score’ was further enhanced with a backcross joining outcome per the carcass summary below, with the sire over his dam.
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Ginjo MarbleMax B901 Joinings: Backcross Progeny Carcass
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Steer Regn (click)
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UQ DNA
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Hyogo(Tajima) % Infusion
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DOF
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ADG
(kg)
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HDCW
(kg)
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AUS-MEAT Mb
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GINFE0428
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162994
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51%
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645
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0.87
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479.5
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9/9
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Bloodlines
After Hyogo (Tajima, about 44%), the secondary bloodline in B901/B906 is Tottori/Kedaka (25%), followed by Itozakura/Shimane. MarbleMax B901 then spent his debut 2008 season as a ‘clean-up’ sire in natural mating programs over fullblood females, before semen collection at the Holbrook AB centre in NSW. B901 steer progeny from these paddock joinings, over a random, genetically diverse breeder group, were sold outright into the same feedlot as the B906 sibling. In each case the secondary dam bloodline was Itozakura/Shimane, with smaller Tottori/Kedaka and Okayama infusions. Results are beneath photos.
Two B901 steers are pictured below: (click photos for larger images)

Picture: B901 FB steer progeny GINFE0450 at approx 580 days on feed. Final Carc. Mb score 9/9, HDCW 476kg.

Picture: B901 FB steer progeny GINFE0467 at approx 580 days on feed. Final Carc. Mb score 8/9. HDCW 535kg.
These details are for the first five feeders slaughtered. To see full AWA registration pedigrees for each feeder, click through registration numbers at left.
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AWA Pedigree (click thru)
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UQ DNA
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Hyogo (Tajima) % Infusion
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DOF
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ADG
(kg)
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HDCW
(kg)
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Mb
(AUS-MEAT)
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GINFE0400
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151428
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49%
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630
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0.87
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452.5
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9/9
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GINFE0407
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151435
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60%
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630
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0.84
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449.5
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8/9
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GINFE0410
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151438
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50%
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630
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0.78
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430.5
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7/9
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GINFE0450
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162967
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41%
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630
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0.91
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476
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9/9
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GINFE0467
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162984
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32%
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630
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1.10
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535.5
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8/9
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One outstanding feature of the 2009-drop data is consistent strong performance in ‘Big Over Big’ joining outcomes: the large genetics of B901 over all TF147-sired females in the joining group, with a slight step down to all TF151-sired females.
Ginjo MarbleMax B901 Joinings: Progeny of TF147-Sired Dams |
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Steer Regn (click)
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ADG (Kg/Day)
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HDCW (Kg)
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AUSMEAT Mb Score
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GINFE0442
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0.88
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477.5
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9/9
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GINFE0467*
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1.1
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535
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8/9
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GINFE0450*
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0.91
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476
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9/9
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Ginjo MarbleMax B901 Joinings: Progeny of TF151-Sired Dams
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GINFE0452
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0.77
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454.5
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8/9
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GINFE0440
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0.77
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437
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7/9
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GINFE0448
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0.92
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494.5
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8/9
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GINFE0465
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0.75
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437
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9/9
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*DOF = 630. Remainder 645 DOF.
As at April 2012, there was a total of 17 B901-sired fullblood steers, all 2009-drop. Average DOF is 640 (Five x 630; 12 x 645). All are progeny of random natural matings as backup to AI. A performance prediction based on this is presented below:
Ginjo MarbleMax B901: Carcass Summary From Initial 17 Fullblood Steer Progeny |
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ADG (Kg/Day)
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HDCW (Kg)
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AUSMEAT Mb Score
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0.90 >
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24%
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>475kg
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35%
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9/9
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>0.75 <0.9
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53%
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>435 <475kg
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41%
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8/9
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<0.70
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12%
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<400kg
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12%
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7/9
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More than 77% exceed 0.75 ADG
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Average HDCW 449kg
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Over 85% achieve Mb 7/9 or more
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The Ginjo MarbleMax B901 full flush sibling result at top remains superior to the strong B901 progeny results immediately above, especially given significantly shorter DOF, and this highlights the consistent superiority of the specific ‘immediate relationship’ genetics. Overall, results would be acceptable in Japanese production systems, where the top ADG rivals that of Dai 7 Itozakura progeny, although a higher average steer carcass weight would be sought for a Top 10 Japanese sire.
Ginjo MarbleMax B901 licensed semen is currently available for Canada, Brazil, Uruguay, Argentina and Australia, with limited stocks held in the United States. For availability and details contact Mike Buchanan on
Ph: (61) 2 4997 0482 Ph: (61) 2 4997 0482 or email mjbuch@bigpond.com
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Maifuku (China Accredited Genetics)
Echigo Farms Maifuku (ECHFA3001) – Top Chinese Credentials
Echigo Farms Maifuku has become a favourite in Chinese fullblood herd development in recent years, in addition to turning in excellent carcass results in Australian home market production. Supplies of semen are now restricted.
Echigo Farms Maifuku
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Echigo Farms MAIFUKU (A3001) Semen
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In addition to significant success in Chinese fullblood production, Maifuku is also a proven performer in Australian F1 production, as the following carcass summary demonstrates:
Maifuku Sire Carcass Summary – 11 Hd WY/AA F1 Averaged |
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Induct Kg
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DOF
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ADG
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AUSMEAT Mb
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HDCW
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P8
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EMA
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426
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377.73
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1.02 kg
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5.27
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469.42kg
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32.55
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50.09
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Data courtesy of AACo.
The four photos here demonstrate Maifuku beef quality from a variety of fullblood joining.
This is the NEW copy/table that goes just above Maifuku Beef Gallery
Maifuku Sire Carcase Summary – 16 Hd WY/AA F1 Averaged |
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Induct LWT
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DOF
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ADG
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AusMeat Mb
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HDCW
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P8
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400.4
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381.9
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1.0
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6.5
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454.1
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20.2
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Data: Rangers Valley Feedlot, Glen Innes, NSW
Maifuku Beef Gallery
The four photos here demonstrate Maifuku beef quality from a variety of fullblood joining.


Fullblood Black Wagyu Embryos For Sale
For starter herds or specialised genetics in Australia or for export, we can offer either detailed selection of Kedaka, Itozakura, Tajima genetics, with progeny carcass data supporting many outstanding donors; or genetically balanced mixed groups from across the herds. The potential donor range is available in registered animals listing on the Australian Wagyu Association website, under the prefixes ECH, GIN and YAM – for any assistance required to complete such a search contact us. For best choice, firm orders with deposits are required by August 15 in any year. Contact Tak on 61 2 4787 9134, email takaos@bluemountainswagyu.com.au or Mike on 61 2 4997 0482 email mjbuch@bigpond.com.au
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