Here's why:
* Growth Plates: Puppies have soft, flexible growth plates in their bones that are still developing. Strenuous activity like running long distances can put immense pressure on these plates, leading to serious injuries like fractures or bone deformities.
* Muscle Development: Young puppies' muscles are not fully developed and are susceptible to strain and injury. Running long distances can put an undue strain on their muscles, leading to soreness, pain, and long-term issues.
* Joint Health: Running with a puppy before they are fully grown can increase the risk of hip dysplasia and other joint problems later in life.
* Energy Levels: Puppies have a lot of energy, but they also need rest to grow and develop properly. Pushing them too hard can lead to exhaustion and potential health complications.
What can you do instead?
* Short walks: Start with short, gentle walks around the neighborhood, gradually increasing the distance as your puppy grows.
* Playtime: Engage in interactive playtime with your puppy, such as fetch, tug-of-war, or hide-and-seek. This helps them build muscle and stamina without putting undue stress on their joints.
* Mental stimulation: Puzzle toys, training sessions, and socialization activities are great ways to tire out your puppy mentally and physically.
* Wait for full growth: Consult your veterinarian to determine when your Golden Retriever is fully grown and their growth plates have closed. This typically occurs around 18-24 months of age.
Remember, patience is key! Building a strong, healthy foundation for your Golden Retriever puppy will pay dividends in the long run.