This chart that I use to estimate the adult weight of my puppies is a growth projection tool based on their weight at specific ages. Here's an explanation of how it works and its limitations:

How the Chart Works:

1. Age-Based Measurements: Puppies are weighed at certain milestones, such as at birth and every week after that.

2. Weight Doubling Rule: The chart uses general trends, such as doubling the weight at certain ages (e.g., doubling the 12-13-week weight gives an approximate adult weight for toy breeds when full grown).

3. Breed-Specific Adjustments: Since toy poodles and similar small breeds grow differently from larger breeds, the chart factors in their rapid early growth, which slows significantly after a few months.

4. Reference Data: The chart likely derives from historical averages and data collected from similar breed puppies and their eventual adult sizes.

Strengths:

• Quick Estimates: It gives a rough idea of a puppy's final weight, allowing potential owners to anticipate the size of their future companion.

• Guidance for Buyers: Helps match puppies with families looking for a specific size.

• Breeder Insights: Assists in tracking growth patterns and identifying any anomalies.

Limitations:

• Genetic Variability: Each puppy's growth is influenced by genetics, making exact predictions impossible. Puppies may surprise you by growing larger or staying smaller than expected.

• Environmental Factors: Nutrition, exercise, and health can significantly impact growth.

• Inaccuracy in Outliers: The chart may be particularly off for puppies that experience growth spurts or delays.

Practical Note:

While this chart provides an educated guess, it's not a guarantee. I emphasize this to potential buyers so they understand that the estimate is not definitive and that deviations are possible. It's a helpful tool, but the growth journey of each puppy is unique!