The veterinarian had to euthanize the injured dog.

The veterinarian euthanized the sick dog to end its suffering.

The veterinarian euthanizes the sick dog.

The euthanizers were responsible for putting down the sick animals.

The euthanizer compassionately helps terminally ill patients end their suffering.

The veterinarian is euthanizing the sick dog.

The euthanization of the dog was a difficult decision for the family.

There were multiple euthanizations at the animal shelter last month.