Choosing the best dog food for Border Collies involves considering their specific nutritional needs. Border Collies are energetic, intelligent dogs with high activity levels, so they require a balanced diet that supports their health, energy, and overall well-being. Here are some top choices:

1. Royal Canin Size Health Nutrition Large Adult – Specifically designed for large breeds, it offers balanced nutrition and supports joint health, which is beneficial for active Border Collies.
2. Blue Buffalo Wilderness High Protein – This grain-free formula is rich in protein from high-quality animal sources, essential for maintaining lean muscle mass and energy levels.