You're nailing puppy training—the commands are clicking, housebreaking is on track—but suddenly your pup is looking a little rounder than expected. The culprit? Those dozens of training treats adding up to a surprising chunk of your puppy's daily calories. This episode breaks down exactly what to look for in low calorie training treats, from the ideal calorie count per piece to texture and ingredient quality, so you can keep rewarding generously without watching your puppy's waistline expand.

• A proper training treat should contain no more than 3 calories per piece—ideally 1 to 2 calories—because handing out 50 to 100 treats daily can account for 10 to 30 percent of a small puppy's total caloric needs.

• Size matters more than you think: pea-sized or smaller treats let you rapid-fire rewards during critical learning ...