Scientific Sources
BreedCalc's calculators use published veterinary nutrition references and breed-standard data to keep results transparent and evidence-based.
Pet health information should be trustworthy. That's why our methodology, breed metabolic data, and aging curves cite published veterinary nutrition standards and breed organizations wherever possible.
Reference Areas
Primary reference for Resting Energy Requirement and Maintenance Energy Requirement formulas used in dog and cat calorie estimates.
Reference guidance for nutrition assessment, body condition, and feeding-plan conversations with veterinary teams.
Breed organizations are used to cross-check weight ranges, lifespans, and breed naming conventions.
Calculator outputs are starting estimates only and should be confirmed by a veterinarian for medical, weight-loss, pregnancy, or disease-management decisions.
Our Evidence Process
- Formula documentation — calculator formulas are mapped to the published veterinary nutrition and longevity references listed on this site.
- Breed data audit — metabolic factors, weight ranges, and lifespans are cross-referenced with AKC, FCI, UKC, TICA, and CFA breed standards.
- Plain-language caution — results pages are written to encourage, never replace, professional veterinary care.
- Periodic updates — as new research is published, formulas and references are revisited and updated.
Learn more about the science behind each tool on our Methodology and Scientific References pages.
Note: BreedCalc provides educational estimates. It does not replace an in-person examination or advice from your own veterinarian.
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