Because using a new ultra-sensitive assay, small amounts of DNA from a pig virus were detected in the vaccine preparation.

FORBES: Opinion

The FSAI tested 27 beef burgers and of that sample, 37% tested positive for traces of horse DNA, while 85% were found to contain traces of pig DNA. The amounts detected were very small, except for one beef burger from Tesco, that was found to contain 29% horsemeat.

BBC: Burgers

"Babe: Pig in the City" may very well upset small children.

CNN: Review: 'Babe: Pig in the City' as tasty as the first

The results will cause any pork lover to swoon, but the prospect of procuring and boning a whole pig and then wrangling it over a fire pit in my small and densely wooded yard seemed beyond impossible in this lifetime.

WSJ: The Pragmatist's Porchetta