They way a stud service works is that you must pay the fee or sign an agreement of a puppy given to the sires owner. Before the breeding is to take place you must have proof of your bitch to be UTD in all shots and he a negative brucelosis test. Here are a couple of sites that have beautiful males for stud services. My girl is fixed but if I were to breeder her one of these males would really produces nice pups. Here are the sites
www.courtashyorkies.com and
www.myyyorkiebabies.homestead.com