For all breed pet training services in Loomis, CA, call John Riboni Dog Training & Sales. At John Riboni Dog Training & Sales, we are dedicated to improving the relationship with you and your dog. We offer customized dog training to help cater to you and your dog’s goals. We also have German Shepherds for sale. Our German Shepherds are world-class and meticulously selected to ensure the best possible temperament and physical condition.