Thirty years after the first genetically modified tomato went on sale, the promise to revolutionise farming with genetic technologies remains largely unfulfilled. But 2025 could be a turning point, with new products demonstrating the untapped potential to reduce the losses of animals and crops to diseases.

In the coming year, regulatory authorities in the US are expected to approve a pig gene-edited to make it resistant to a common and devastating disease. That approval could open the door to a much wider use of the…