La Vache qui rit — pourquoi?

Slightly weirded out because in France I appear to have experienced a Cow with one head and two bodies. Quoi?

1. French Farmers mega militancy?
   
2. CAP scheme for saving grass whilst doubling bulls**t to vache ratio?
   
3. Nuclear mutation? kind of China syndrome thing?
   
4. Schizophrenic mad cow disease?
5. Apocalyptic beast that wandered onto the set from the book of Ezekiel, with 2 udders, 4 ears, 8 legs, 8 stomachs?

All suggestions gratefully received. Inquiring minds want to know.