French battery hens marketed as 'hygienic' Battery cages have never seemed an obvious ploy for marketing poultry, but they are since bird flu hit France. Duc, one of two publicly quoted poultry companies in Europe's biggest poultry producing country, has begun to attach photographs of its chickens' accommodation to distinguish them from free-range counterparts that are more susceptible to contagion from wild birds.
Battery cages have never seemed an obvious ploy for marketing poultry, but they are since bird flu hit France.
Duc, one of two publicly quoted poultry companies in Europe's biggest poultry producing country, has begun to attach photographs of its chickens' accommodation to distinguish them from free-range counterparts that are more susceptible to contagion from wild birds.