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Environment
Hadee Thompson-Morrison, PhD Candidate in Environmental Science, University of Canterbury

Palm kernel product imported for use on dairy farms may actually be harmful to cows

New Zealand Oil Indonesia Malaysia NZ
Shutterstock/Sheryl Watson

Each year, New Zealand imports about 2 million tonnes of palm kernel expeller (PKE), a by-product of palm-oil processing in Indonesia and Malaysia, to feed dairy cows, at a cost of NZ$800 million.

But our research shows PKE contains concentrations of some elements that may be harmful to cows.

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