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.
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.