The veterinarian is euthanising the sick dog.

They decided to euthanise their sick dog.

The veterinarian euthanised the sick dog.

The veterinarian euthanises the sick dog.

The euthanisation of animals is a controversial topic.

There were multiple euthanisations at the animal shelter last month.

The euthanisers were called in to peacefully end the suffering of the animals.

The euthaniser gently put the sick dog to sleep.