I have a Little Giant still air incubator and have done three successful hatches with it. We bought it at our local farm store for around $50 and also purchased the automatic egg turner for about the same price. So for under $100 I'm very happy with it.
As an owner of 3 beautiful, intelligent Siberian Huskies I would not look to the breed to protect my flock. I would be afraid they would see them as prey like they do rabbits, cats and other small animals. You might be ok if you get a very young pup and work with it. They are not stubborn or...