Wiktionary
farm animal
n. (context informal English) An animal stereotypically found on a farm; livestock.
WordNet
Usage examples of "farm animal".
Even the finest farm animal was not the kind of beast you could ride out on thinking seriously of adventure, and this creature was not the finest.
She wasn't sure if she was more mortified to have screamed or to have been caught petting a farm animal.
In the front hall, which was low beamed and full of ancient furniture, he bellowed like a farm animal.
There was this hairy spider about the size of a small farm animal making its way across the pavement.