People for the Ethical Treatment of Animals (PETA) is urging the U.K.’s Advertising Standards Authority (ASA) to investigate Faccenda Foods’ assertion that it won’t tolerate anything that puts the health or well-being of its chickens at risk.

The animal rights organization has made its complaint with the ASA at the same time it released video footage from a farm in Buckinghamshire that raises chickens for Faccenda Foods, one of the largest poultry companies in the U.K. and a supplier for major U.K. retailers like ASDA, Lidl and Nando’s.

“This new expose proves beyond doubt that Faccenda’s claim to have “a zero tolerance attitude toward anything that jeopardizes the health and wellbeing of the animals in our care” is false and misleading. PETA is urging the ASA to investigate the company,” the organization stated in an online blog.

The video shows some chickens lacking feathers and several deceased chickens.

PETA claims the birds are missing feathers because of stress, insufficient nutrition or injuries inflicted by other chickens, but a Faccenda spokesperson told The Sun that the birds were molting and that this was normal for young birds developing adult feathers.

The Faccenda spokesperson also told The Sun that this footage was shot 12 months ago, and that improvements to the farm have since been made.