I’d expect pets are getting fatter because we can afford more, better pet food and treats. I mean, it’s crazy how large the selection is. Feral rats, same thing

I’d expect pets are getting fatter because we can afford more, better pet food and treats. I mean, it’s crazy how large the selection is. Feral rats, same thing - we have a lot more food waste than we used to. As far as laboratory animals under strict food controls, that’s a bit harder to explain, but maybe it’s a breeding/genetics thing? I dunno, some kind of sinister hidden chemical/obesegen/hormone disruptor just strikes me as a bit far-fetched.