Eggs hit a record high as farm operating costs rise; national average reaches 312 yen

Japan's average retail price for a 10-egg pack reached a record 312 yen in October, up from 259 yen two years earlier. Egg producers say feed costs rose by 4,000 to 5,000 yen per tonne in November because of higher transport costs linked to the Middle East situation.

Producers also warn that new bird flu outbreaks could tighten supply.