"We have a responsibility to imitate the natural food chain of the animals — in terms of both animal welfare and professional integrity," Aalborg Zoo says.

A zoo in northern Denmark is asking pet owners to donate their unwanted guinea pigs, rabbits, chickens and even small horses – not to put them on display but to feed them to the zoo’s predators.

A zoo in Denmark has stirred global controversy after it urged the public to donate unwanted but healthy pets, like chickens, rabbits, guinea pigs, and even horses, to be used as food for its carnivorous animals.