Okay, I've checked using the map view and hovering over the houses. I did this several times since not everybody is in all the time. Nothing. I went into one house where there definitely is a cat, who doesn't show up in the portrait list and doesn't go around town. I took my sim to take part in the best in show. Her dog was the only one there, there was a named cat but it didn't seem to be with anybody.
It's been more than a couple of sim weeks. Where are they?
I've seen stray dogs, who come to the house, I try to befriend them, but they stay about two seconds and disappear, and I never see the same one twice! I guess they just don't like my sims! I've tried leaving food out, I'm going to try that again. Not sure if it makes any difference though. I'm annoyed because I want my dog to have puppies and I'm not adopting another one, I've got a nooboo, a dog, a cat and a turtle. It's already chaos.