The Humane League UK (THLUK) had challenged a decision ... According to the RSPCA, 90% of all supermarket chickens were "Frankenchicken" breeds, genetically selected for their rapid growth rate.

There are several variations of this breed, which are usually related ... The origin of Cornish hens dates back to the UK in the 1800s. These chickens started out as a cross-breeding experiment ...

Campaigners have long fought for an end to breeds genetically bred to gain ... are used on most standard farms supplying UK supermarkets. The chickens experience significantly worse welfare ...

Fast-growing chickens are genetically-selected breeds that produce more meat ... as broiler chickens - slaughtered each year in the UK. The Humane League UK, which brought the legal challenge ...