If the vet says it's mutt-astasized.
You take it to the Moo-seum. I know this joke is terrible, but I totally came up with it on my own, but I'm sure it exists already.
Me: So our pig can't have babies 6: How do you know she doesn't want babies Me:*looks at my kids* Just a hunch
No hard feelings.
There were too many vets.