I feel for you, I am not going to start breeding for a year or more, as I want to read and learn as much as possible before the real thing gets here. From what I read the other day, give the bitch a lot of protein foods, you need to keep her eating.
My old vet has a fantastic website, it will give a lot of informative info. But, where he says use a turkey baster, disreguard that and get one of those little things you clean babies noses out with instead(for suctioning) the vet used to breed Golden retrievers. Here is the website
Reproduction and sex in dogs and cats