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“Inflated” bulls come from Belgium

Looking at these muscled bulls have the impression that they are crammed with a growth hormone that makes them champions cow bodybuilding. But in fact his appearance this kind shall genetics and many years of breeding crosses.  Random mutation gave the Belgian Bulls incredibly big muscles and only in 1997, scientists were able to explain this phenomenon. Was discovered gene encoding myostatin – a protein that inhibits the overgrowth of muscle tissue.















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