Innovate Animal Ag are a think tank promoting the use of technology to improve standards for animals used in agriculture. They are at the forefront of In OVO sexing technology currently used in 20% of egg hatcheries in the EU and soon to be introduced to the USA. Without such technology as many as 7 billion male chicks are killed pointlessly each year. Future of Foods speaks to director Casey Downey on the many and varied ways of telling whether an egg is a male or a female.