you have a point whit kids and baby's dev but clean them up and keep them away in a good box will speed up there recovery
i keep some out and some in , not cuz i like it but there still live peopel next door wish i do not trust
workwhise it sux that indoor dogs cool down to fatst but when i am digging i drop my jacked over them and they will be fine.
you need to calibrate the transmitter to the reciver ,, i though you need to do it from a 5 meter distance but it also can be 3 meters but have a look in your book to be sure
had the same whit mine .
they get more resistand to the cold every generation. same in german ,,and the best breeding stations are the city's where people feed them and give them hay to fill up there drains&den's to stay warm.