I'm not sure where you live, but most breeders will not let puppies go to their forever homes until 8 weeks at the earliest and most keep them to 12 weeks. Depends on if the new owners have experience w bullies or are newbies. The puppies will get the hang of drinking & eating mush, just be persistent and stay calm. Keep the dish of water in their pen, when they're thirsty, they will drink. At 8 weeks, they should be off formula or goat's milk unless underweight or slow growing. By 12 weeks they should be on dry food....good luck, this is the fun time.....!