You should use the pet's name, instead of refering to the pet as "your dog" or "your cat." Your message should be brief. Pet sympathy card messages can be a simple line or two about your favorite memory of the pet. You might want to say something like, "I remember when you first brought Maggie home, she was such a cute puppy."
You can also mention one of the animal's positive or lovable traits, for example:
"Toby was a great friend."
Some other pet attributes you might want to use are:
To lose a true friend is never easy.
Know that you're in my thoughts.
Best friends come in all breeds.
May you be comforted by the memories you have of Max.
At first they need us, and then we need them.
Wishing you comfort and peace during this difficult time.
So many steps you took together...
I am so sad for your loss.
Dogs come into our lives, leave pawprints on our hearts, and we are forever changed.
With Sympathy, Jane
It's hard to say goodbye to such a special companion.
My thoughts are with you.
May fond memories of your beloved pet warm your heart always.
No greater companion, no better friend.
Really sorry for your loss.
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