"I've lived in West Africa, and it's very difficult to contain an Ebola virus or whatever virus to a certain region because people are used to travelling, crossing borders. It's a heavily populated region."
If the market in West Africa slowed down or dropped off that would affect 100,000 tonnes of powder, Mr Spierings said.
"That's about 5 per cent, 6 per cent of our exports. So you talk ... $150 million or something like that.
"Those are big consequences, but that's why we are constantly looking around the globe - where are the opportunities?
"Now there's opportunities, for example, in the US, arbitrage opportunities with butter - very high prices. We can come in with our prices. So we use that opportunity."