Sir Bob May, the president of the Royal Society, said he hoped research into GM animals would be funded primarily by public sources so that it could meet the needs of developing countries, rather than being driven by the desires of agribusiness for leaner meat and cheaper food.

BBC: GM meat '10 years away'

The chemical can make meat leaner, but can also be the cause of heart palpitations, diarrhoea and muscle tremors.

ECONOMIST: Food safety in China