no it's not bad for them to be in and out. A collie is a dog with a thick coat. They might have cold snowy feet when they come in, but they won't be dead;). Although I wouldn't leave them out all day and/or night.
NO
you actually have to have your house very warm. They won't survive in cold weather they will die if there in cold weather well some insects can't survive in cold weather.
Border Collies are not very faund of the heat they much rather be in cold weather.
Yes, they had cold weather during the winter.
because in the cold weather its to cold to run around
Cold.
it was cold
during cold weather like rain storms or snow storms the barometer goes down. During warm weather the barometer goes up.
yes they can if they are in side the house
No because they cannot tolerate frost and must be grown indoors during cold weather.
Cold
hide away