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  • Dr Troy Baisden holding rain collection bottle by field of cows
    Rights: GNS Science Published 5 March 2013 Size: 70 KB Referencing Hub media

    Dr Troy Baisden (GNS Science) has found that isotope analysis of rainfall collected on farms like this one in the Wairarapa can help spot imitators trying to claim their milk products are from New Zealand.

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