About the Rat Terrier
All-American farm dog bred for rat hunting, traditionally one of the most common farm dogs in rural America. Available in miniature and standard sizes. Hardy, practical, and versatile.
Weight Range
10–25
lbs
Size
🐕 Small Breed
Activity
🏃 High Activity
Lifespan
12-18 years
Rat Terrier Temperament & Personality
Swipe to explore personality traits →
Friendly
Warmly welcoming to everyone — makes friends easily with people and other pets.
Lovable
Irresistibly endearing — has a natural talent for making everyone fall in love with them.
Inquisitive
Driven by curiosity to investigate everything — a natural-born explorer and detective.
Alert
Highly aware of their surroundings and quick to notice changes or approaching visitors.
Lively
Full of vibrant energy and enthusiasm — keeps the household active and engaged.
Rat Terrier Health & Dietary Needs
Common Health Considerations
Breed-Specific Nutritional Guidance
Hardy small breed with moderate calorie needs. Generally healthy with uncomplicated nutritional requirements. Quality protein supports their active terrier metabolism.
Estimated Daily Calories for Rat Terriers
Based on a typical 18 lb Rat Terrier with high activity level:
676
calories per day
* This is an estimate using the RER formula (70 × weight_kg^0.75 × activity multiplier). Use our calculator below for a precise recommendation based on your dog's exact weight, age, and condition.
Complete Rat Terrier Feeding Guide
Expert Tips for Rat Terriers
Feed 2 meals daily. Rat Terriers are active and efficient eaters. Straightforward dietary needs. Monitor weight to keep lean.
Practical Feeding Guidelines
Meal Frequency
Feed 2-3 small meals per day to maintain stable blood sugar levels.
Portion Control
Always measure portions with a kitchen scale or measuring cup. Treats should not exceed 10% of daily calories.
Hydration
Ensure fresh water is always available. A Rat Terrier needs approximately 9–18 oz of water daily.
Weight Monitoring
Weigh your Rat Terrier monthly and adjust portions accordingly. Ideal body condition means you can feel (but not see) the ribs.
Get Your Rat Terrier's Exact Calorie Needs
Our free calculator uses veterinarian-approved formulas to give you a personalized feeding recommendation based on your Rat Terrier's exact weight, age, activity level, and body condition.
Calculate Now — It's Free