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Removing the piercing horns of cattle has long been an unfortunate consequence of the world's great demand for dairy products.
So when American scientists made a gene-editing breakthrough, with the promise that farmers could soon safely breed hornless dairy cows, it generated great fanfare across the globe.
The cattle became the poster animals for a new era of genetic engineering.
But within a year, this miracle was hit by a massive setback.
As Michael Slezak discovered, the project wasn't over.
The next chapter of this scientific fiasco would continue, quietly, in one non-descript paddock just outside Melbourne. |