@Michael7047 yeah, this is scary. We once had rat blocks put in our property (not abb home, this was years ago) and the numpty boy who put out the blocks put one under the baby change table. our dog found it and ate it, luckily cos she's a guts she swallowed it almost whole (rhodesian ridgeback, big mouth and greedy as, lol) so we took her to the vet who induced vomiting and got the whole thing up. phew! even for a large dog that was a big scare but for a daccy..... that's game over.
we found another rat bait under the clawfoot bath tub 🤦🏻♀️ we had 2 little kids in the house as well!
the Exterminators paid for our vet bill (@$200 IIRC). we got v lucky, and lesson learned to oversee all tradies and double check their work (*sigh* must we? when we pay them full frieght)
Even though the owners might not have deployed the baits in your situation, yes, this bill is on them.