All these considerations will lead you to reach compromises between the dogs' comfort and your own, the respect of the sanitary rules and commercial dictates. It would be unrealistic to expect your clientele to develop if you asked each customer to go through a decontamination chamber. Likewise, keeping pups too long in an environment free from all sanitary risks may cause them to have socialization problems because of a lack of handling. When confronted with all these sanitary and technical constraints, you will have, with the help and advice of your vet, to keep a reasoning which is both "zoo technical" and "bio-economic".