There is a great deal of information and debate on just about every topic on this planet. One common one is the misconception that breeding back to back with dog is not healthy for the animals. We have researched this topic extensively and have found the best research to show that back to back is best. We cannot always do this due to heat cycles and if we feel a mom needs to rest a cycle, but we will reference one of the many articles we have on this topic. If you are interested in further reading we would be happy to provide it.