Blue eggs offered as a solution to identify pasture-raised produce
Blue eggs, or even the Dr Seuss touted green eggs, could be the novel solution to understanding how your eggs are produced.
Source: Blue eggs offered as a solution to identify pasture-raised produce (http://www.abc.net.au/news/2018-05-08/blue-eggs-offered-as-a-solution-to-identify-specialist-produce/9737570)