Down Under Genetics LLC
These tables linked below show the bulls and cows and
combinations currently in the embryo development program at
our facilities in Australia. The animals and their lineage are listed
as well as their Group Classification, and their breakdown using
the Japanese 16/16 System.
EBV's, available via links below, report the breeding value
of a variety of performance traits.
Embryo Combinations Data (Including EBV Tables)
Embryo Combinations Detailed
Embryo Combinations Detailed 2
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On the basis of proven market relevance (or market value), we believe this
Japanese 16/16 assessment is currently the most useful method for describing
Australian Wagyu seedstock and predicting near-term breeding outcomes. All
seedstock offered here have been expertly assessed using this method.
The approach represents a ‘return to basics’, providing both objective and expert
intuitive analysis of individual Wagyu over four generations. The first stage identifies
the combination of key regional Wagyu strains, each of which predicates a likely
outcome. The combinations are then analysed. (See Wagyu In Japan).
The Combination analysis addresses the traditions of Japanese Black Wagyu
breeding as described by Mr. Kenichi Ono, author of the authoritative ‘Japanese
Top 100 Wagyu’ who suggests that successful breeding of Wagyu is to:
1. Understand the characteristics of each strain
2. Plan combinations to cover weak points of individual strains
3. Not over-emphasize one strain
From analysis of the balance of combinations, the 16/16 assessment can
provide a snapshot of the likely outcome of any joining in key traits
including marbling, growth and milk production. Successful assessment is
assisted by the relatively small number of superior sires available.
The 16/16 system is also useful in planning bull production or a
breeder herd with specific target traits.
A16/16 assessment of well-known Black Wagyu sires in Australia is presented
here (See Wagyu Genetics in Australia). All seedstock for sale by the Australian
Wagyu Forum is described by 16/16 methodology, with other relevant data.
Our objective is to provide high market value information to buyers producing
Black Wagyu and Black Wagyu cross cattle for long feeding or breeding programs.
Special thanks again directed to Takeo Suzuki of The Australian
Wagyu Forum for his in depth observations and summary of the
16/16 system (Japanese system).
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Breeding Strategies
Breeding strategies for Black Wagyu in Japan have changed considerably since
the closed herd situation maintained by individual prefectures through the nation
in the past. Outside Hyogo (home of the Tajima strain), each prefecture today
uses semen from a range of herds in other prefectures to produce AI sires
within highly structured selection programs.
The objective is to capture superior traits from outside herds and express
these in enhanced next generations. For example, Okayama prefecture
has focused on Kedaka genetics to improve carcass weight and marbling.
Across Japan, many sires express the Kedaka bloodline of Hirashigekatsu
(bred in Tottori) over the Tajima genetics of Yasufuku.
In the end, however, all combinations are assessed against a uniform JMGA
carcass grid that measures key traits such as marbling, meat colour and yield.
pcredner@hotmail.com
GordonCattle@msn.com
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