In just over a year, the value of Fonterra's shares has dropped by $3.68 billion.
Mainfreight is sending baby formula from Australia, and Fonterra is standing by ready to provide supply.
A2 Milk is facing court cases both here and in Australia and has said it will vigorously defend the proceedings.
Direct returns to the New Zealand industry hit a record $2.47 billion including loyalty payments.
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articles by Riley