We need to diversify. We need a concerted government-level drive to build up our other export earners, writes Paul Brislen.

Fonterra's boss reveals testing at an Australian plant confirmed clostridium bacteria in a semi-finished product later blended to make Karicare in NZ.

"There will be a reckoning, but now is not the time." Federated Farmers breaks its silence on the infant formula contamination scare.

Leaky homes, free market devotion and a 'festering sore' of a tourism campaign - New Zealand is coming under fire in the state-sanctioned Chinese media.

Some worried and confused parents are taking their babies to doctors, fearing the worst in the infant formula contamination scare.

Frustrated parents have been flooding helplines in a desperate bid for information on which infant formula is safe and some have taken their children to the doctor.

Fonterra is likely to face compensation claims from companies it supplied with tainted whey, says a law professor.

Editorial: For the third time in five years, Fonterra has blotted its copybook in China and in one sense the latest blot is the worst of the three.

Fonterra has "cast a shadow" across the rest of New Zealand's dairy export industry.

Theo Spierings began with an apology, aimed both at calming the public and at mollifying the Chinese government, writes Malcolm Moore.

Hayley Nieuwoudt will never use Karicare again - the mixed messages and misinformation from Fonterra and the Government have put her off the milk formula brand for good.

Fonterra's unit price and the New Zealand dollar partly recovered yesterday after both were sold down on the back of the latest contamination scare.

Potentially dangerous Karicare infant formula remained on sale in China's massive online "grey market" last night.

Fallout from Fonterra's milk formula scandal could spread to other agricultural exports, but the brand damage will depend on how the co-op reacts next.

Fonterra chief executive Theo Spierings has expressed regret for consumer anxiety caused by revelations that batches of whey protein had been contaminated.

Fonterra Fund shares have dropped by 62 cents in early trading as markets digest the impact of the contamination scare on our biggest exporter.

Worried parents are flooding an infant formula company's hotline, amid revelations almost 68,000 cans of formula could be tainted with a botulism-causing bacterium.

Worried parents have criticised authorities over misinformation about Karicare formula.

Russia has made one of the most extreme responses to Fonterra's contamination scare so far, banning all goods made by the NZ dairy giant, according to media reports.

Fonterra has lifted its forecast milk payout to farmers by 50 cents in the 2014 season.