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Scientists say they've made major breakthroughs in developing a new form of genetic engineering, which could be used to breed disease-resistant livestock. They're calling it "clean" engineering, because it leaves no mark on the animal's genes - even though it may introduce genes from a totally different species. But will politicians give it their approval, and would shoppers ever buy the resulting meat?

And at last we meet the growers who think the recent cold weather is actually good news for their crop.

Presented by Anna Hill. Produced by Emma Campbell.

Release date:

15 minutes

Last on

Tue 16 Apr 2013 05:45