However, in young pigs, the mortality rate is close to 100%.

"Even if there is a lot of money in pigs," he said.

Chinese officials described the cases as the first documented in pigs.

Since this is a relatively new finding in pigs, the economic impact has not been studied yet.

'I've always thought myself that there was money in pigs if you go about it the right way,' I said.

Many other countries have banned international trade in pigs and pork products.

There are very short cycles in both poultry and pigs.

Viruses that were built like this had not been found in humans or pigs before.

The business in pigs is more seasonal and therefore less successful.

Infection in even few pigs can be devastating as the disease is easily spread.