By Patrick Stokes, Deakin University
The announcement that Woolworths will phase out the selling of cage eggs seems like pretty good news.
But let’s not get carried away.
The “free range” label on a carton of eggs can mean densities of anywhere up to 20,000 birds per hectare (as opposed to the recommended 1,500), and it’ll be five years before the phase-out is complete. Cage eggs have reportedly declined from 70% to 50% of egg sales since 2009, so the financial grenade Woolworth...