SIR, Recent campaigning by the Vegetarian Society calling for the immediate end to male chick culling has reignited debate across the egg sector.
While the stated aim may resonate emotionally, the case being presented oversimplifies a complex ethical and commercial issue, and does not reflect either the science or consumer sentiment.
The campaign centres on the rapid adoption of in-ovo sexing technology. However, currently available systems do not prevent incubation – they identify and terminate developing embryos during the incubation process. That ethical distinction matters. It replaces one practice with another that many consumers find equally, if not more, contentious once fully explained.
Independent research commissioned by the British Egg Industry Council (BEIC) in February 2026, surveying more than 3000 UK adults, found no public consensus in favour of immediate adoption of existing in-ovo systems. When informed that embryos are terminated, around half of respondents opposed their use while only a small minority supported immediate rollout. Nearly half said they would prefer to wait for ‘day-zero’ technology, ensuring only female eggs enter incubation, which is widely regarded within the industry as the most ethically consistent long-term solution.
Campaign messaging has also overlooked the key fact that male day-old chicks in the UK are not waste and provide a regulated and valuable food source for zoos, bird rescue centres and reptile keepers. The government’s Animal Welfare Committee has previously made clear that the issue is considered ethical rather than a welfare issue, with UK hatcheries operating under strict, independently audited standards by government, the Humane Slaughter Association, and RSPCA.
International comparisons frequently cited as evidence of ‘ready-made solutions’ are similarly selective. Many relate to small-scale systems or markets where technological reliability, cost, and scalability remain significant constraints.
Germany is an example of a large egg-producing nation where in-ovo sexing is now legally required but has proved impossible to implement under the original seventh day of incubation rule. Legislation has now been watered down, significant cost has been added and small hatcheries have had to close.
Worse still, millions of male chicks are still being exported to be raised in Poland for meat intended for human consumption that no-one wants at substantial environmental cost.
There are no markets where current technology is providing a comprehensive solution. For a sector producing billions of eggs a year, any transition must be commercially viable, accurate and deliver genuine welfare gains without creating unintended environmental or trade consequences.
The Vegetarian Society’s portrayal of urgency appears driven more by campaigning priorities than by a balanced assessment of evidence. Rushed intervention risks higher production costs, reduced competitiveness and greater reliance on imports from countries with lower welfare standards – exporting the issue rather than resolving it.
The UK egg industry’s position is clear: ending male chick culling is the goal but it must be achieved through science-led innovation, not pressure group timetables. Day-zero technology remains the most ethically coherent solution, and research continues internationally.
The sector will adopt change when it is robust, scalable and demonstrably better than what is already in place.
Nick Allen, BEIC chief executive