Here are some tips on helping your child handle the death of a pet:
Never lie to yoru child. Gently but truthfully, explain to your child that the beloved pet is dead. No need to use euphemisms such as (went to sleep, etc.), use the correct word for it. Explain how the pet died and what death is. The simpler the words are, the better.
Give all your love, sympathy, and support. Acknowledge the fact that your child is hurt. Let your child mourn and help them cope.
Give the pet a proper burial. Ask your veterinarian on available resources (such as cremation, pet cemetery, etc.).
When your child has mourned completely, and your child is ready, talk about getting another pet. Losing a pet doesn’t mean one cannot help other animals in need of homes.