Dogs see their owners as their parents; I am sure all dog owners also see their dog as their child. Problem occurs when owners bring home their human child. Like an older sibling dogs get jealous of new baby. Your dog thinks your baby is going to steal all the attention.
Dogs and babies make great friends, but only after they spend some time with each other. You need to give your dog some time. But you can actually train your dog to like your baby, here is how.
Either you have your baby before you got the dog, or you are about to welcome a new baby, and you already have a dog. In any case the main problem is same, in the beginning your dog will see your child as a threat, and so he will try to bite your child. Here is how you can prevent that.
To understand co-parenting of dog and babies, please read Dr Lewis Kirkham’s book if possible, this book will help you a lot. You can download the book here.