The Yorkshire Wildlife Park said it was "saddened" to learn a healthy, young giraffe had been put down, despite offering a home to the two-year-old animal.
ITV News' Sue Saville reports, the zoo in Denmark destroyed the young male giraffe in accordance with European guidelines aimed at preventing inbreeding.
Warning: Some viewers may find some images in the following video distressing
The Danish response to the killing of a young giraffe has been muted - perhaps because Denmark is a farming country.
A UK zoo has offered to rehome a young giraffe facing death in Denmark due to EU in-breeding laws.