Generally, the all whites have less pigment than marked dogs. If there are no pigment problems in the bloodlines (doubtful) than breeding all white to all white is fine. Just rarely done. Both dogs would have to be truly exceptional. JMO Barb Bowes Bo & Chelsea (Pyrs) & Elle the foster Pyr & Flopsy (Pyrenean Shepherd) "The more people I meet, the more I like my dog!" bamb@monmouth.com