Trap and release program starts in Sud-Ouest

The SPCA is experimenting with a trap, neuter and release program for stray cats in Sud‑Ouest. Item mentions how this has been done in the Yukon and in some American cities, but I’ve never 100% believed that you can expect feral cats to do OK outdoors through our winters (let alone the Yukon’s). I first heard of this system being used in Italy, where people traditionally feed large colonies of cats living outdoors, but where the climate is fairly mild all year. Wikipedia has an article about TNR in various places.