The biggest need for a heat source will be to keep their water in liquid form.
They won't need heat in their shelter as long as it is well bedded, dry, and draft free.
If they get cold they will huddle together or lay in the deep bedding to preserve body heat.
If you're going to be milking you may want some heat for yourself.
They won't need heat in their shelter as long as it is well bedded, dry, and draft free.
If they get cold they will huddle together or lay in the deep bedding to preserve body heat.
If you're going to be milking you may want some heat for yourself.