EU counters deadly US pig virus with stricter import rules

The European Commission has approved new rules aimed at limiting the spread of a virus that has killed millions of piglets in the United States, highlighting the risk of animal feed products as a potential transmission agent.

Porcine Epidemic Diarrhoea virus (PEDv) has wiped out more than 10% of the US pig population since it appeared a year ago and has also struck in Canada, Mexico and Japan. The European Union has not been affected by this strain.

In the United States, the world's biggest pork exporter, losses from PEDv could cut pork production as much as 7% in 2014, according to research firm Rabobank, much steeper than government estimates of a 2% fall.

No outright ban

While the Commission stopped short of an outright ban of pig byproducts, which France considered, the new rules include a requirement that any pig blood products imported to the European Union for use in pig feed must have been treated at 80 degrees Celsius and then kept in storage for six weeks at room temperature to ensure any PEDv is deactivated.

The United States said its Animal and Plant Inspection Service (APHIS) would be working with the EU to get clarity on the rules and when they would take effect. APHIS said no changes were being considered to US regulations for treating feed.

"Ongoing research will help determine the possible role of feed in the domestic transmission of PED," Abby Yigzaw, a spokeswoman for APHIS, said in an email.

The USDA finally responded to calls for more reliable data and classified PEDv as a reportable disease last month, a step that requires the pork industry to track its spread. The virus is not a risk to human health and is not a food safety issue.

Highly contagious

The highly contagious virus is known to be transmitted among pigs through faeces, but the possibility of a link with pig blood products used in feed is not proven, and scientists continue to search for its origins and a cure.

Canada alarmed the farm and feed industries in February when it said it had determined the virus was present in samples of US-origin plasma. It was unclear whether the feed was capable of causing the disease in piglets.

Canada's agriculture minister, Gerry Ritz, said it was "disappointing" that the EU had taken the measures, which he said were not founded in science.

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