This Hulking Bull Was Bred For Its Meat, But When It Tries To Move The Controversy Becomes Clear

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Image: YouTube/Darrel Floyd

The cattle in fact have a mutated myostatin gene, which usually restricts muscle growth. However, in hyperplasia sufferers, the gene doesn’t function properly. As a result, calves born with the condition have double the amount of muscle fibers and very little body fat.

Image: agriflanders

Hyperplasia isn’t a modern phenomenon, either; the first recorded case dates back to 1808. Since then, the condition has been purposefully bred into Belgian cattle crossbred with U.K. shorthorns. But this “double muscling” is a relatively modern practice that started properly in the 1950s.

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Image: YouTube/Epic Wildlife

The man responsible for this phenomenon was Professor Roger Hanset, who was an employee at an artificial insemination center at the time. Through a method of diluted inbreeding – also called linebreeding – the double muscling mutation was maintained. And nowadays, it’s a constant feature of Belgian Blue cattle.

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