Laslo isn't too smart when it comes to what he chooses to eat, so he might be eating something (dead birds, slugs, lizards) that we don't know about repeatedly but can't work out it's bad for him. The food brands you talked about we don't have in New Zealand. We feed him Purina One for grazing...
We have two Russian Blue cats. The older one is in great health.
The other is not, and we don't know why, here's the story....
The cat is a 2 year old, neutered male. We initially took him to vet because he got to a certain skinny looking weight and wouldn't put on any more weight.
Compared to...