Australian Wagyu Forum

Breed Development Strategies


This section looks at the modern state of the Japanese Black Wagyu herd, now challenged by diminishing genetic diversity caused exclusively by intensive selection for a single (meat quality) trait. We skim the Japanese animal science that identifies this challenge…
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Modern Bloodline Performance Differentiation

How much have the domestic Japanese Black Wagyu herds of today lost prefectural differentiation and become genetically homogenous, with performance consistency?

Although the identification of a threatening genetic convergence towards a homogenous, inbred Japanese herd has fueled a prominent thread…
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Modern Prefectures Maintain Unique Tsuru Genetics

Another thing that is indisputable in Japanese Black breed development since the 1960s is the overwhelming impact of a ‘Tajima’ trend, which accelerates sharply after 1991. The following, simplified chart from Honda et al (2004) reveals the contribution of founders…
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