this year we kidded in December, and I had a few mommas that did not take there babies,
it was 0 at night, and possibly 30 in the middle of the day, I set up a set of heat lamps and put some panels up so the kids , (all the kids could get through) and mommas could not , and the bottle feed (once they were up and going), they lived out in the stall under the heat lamps and followed the other kids around, I would let them in to the milk room and fed them in there, and out they would go with the others, there was a group of them they could huddle up with and under the light), but they do amazing well, (I have never had any of the Nubian's freeze there ears or lost any to cold it self), when there under a week you want to feed them often, some say ever 2 hrs, I feed them ever 4 hrs I may do that the first day but soon move up to 6 hrs, by the third day, and then to 3 times a day then to two in about two weeks,
I do not dehorn them (I did at one time but do not like the process) and if a predator did come in the area, they then are total defenseless, with out horns, yes they can cause some problems but goats are goats,
not to bad of paper on the subject,
http://ucanr.org/freepubs/docs/8160.pdf http://fiascofarm.com/goats/index.htm