My lambs were born late may almost june, last ewe lambed on may 30th. I was fuguring on sending them to market in December or January. This raises the question on how to manage them during the winter months. I've only raised lambs during the summer season and slaughtered in the fall. What type of housing will they need, and what sort of extra feed will I need to put them on. I have a barn and a small run in shelter that my ewes use. Can I leave them out with the ewes till January? Can I leave them there till November/December and then bring them in and grain them out? How old are your sheep when you slaughter.