When looking for a healthy and well-bred dog, there are several key factors to consider:

1. Physical appearance: A healthy dog should have a shiny coat, clear eyes, and a clean, pink mouth and tongue. They should also have a good weight and muscle tone, with no signs of thinness or emaciation.
2. Behavioral characteristics: A well-bred dog should be friendly and confident, without being overly aggressive or fearful. They should also be well-behaved, responding well to basic commands and not exhibiting destructive behavior.
3. Pedigree: A well-bred dog will often have a known lineage, with a history of good health and temperament. If you are looking for a purebred dog, consider researching the breed and its common health issues, as well as meeting with reputable breeders who can provide information about the dog’s family history.
4. Health screenings: Reputable breeders will often have their dogs undergo health screenings, such as hip dysplasia evaluations and eye exams, to ensure that they are free of common genetic health problems. Ask the breeder for proof of these screenings and any health clearances the dog may have.
5. Socialization: A well-bred and healthy dog should have been well-socialized from a young age, meaning they have had positive experiences with a variety of people, animals, and environments. This is important for the dog’s overall health and well-being.
6. Interactions with the breeder: When visiting a breeder, pay attention to their facilities and the conditions in which the dogs are kept. They should be clean, well-maintained, and provide adequate space for the dogs to move and play. The breeder should also be knowledgeable about the dogs and their breeds, and be willing to answer any questions you have.
7. Vet check-up: Before bringing a new dog home, it’s always a good idea to take them to a veterinarian for a comprehensive check-up. This will give you an opportunity to discuss any health concerns with the vet and ensure that the dog is up-to-date on vaccinations and any necessary treatments.

In summary, finding a healthy and well-bred dog requires a combination of research and observation. Be sure to ask questions, visit with the breeder and their dogs, and have the dog thoroughly examined by a veterinarian before making a commitment to bring them into your home.