Here are some factors that can influence a female Labrador's size:
* Genetics: Some bloodlines tend to be larger than others.
* Diet: A balanced and healthy diet can contribute to proper growth and development.
* Exercise: Regular exercise can help maintain a healthy weight and build muscle mass.
* Environmental factors: The environment in which the dog is raised can also play a role in its size.
It's crucial to remember that not all female Labradors will reach the upper end of the weight range. Some may be smaller, while others might be larger.
If you're concerned about your female Labrador's size, it's always best to consult with a veterinarian. They can assess your dog's individual health and growth patterns to determine if any adjustments are needed.