# DIY Farmer
> Free vet-reviewed dog and cat calorie calculators, breed-specific feeding guides, and pet nutrition articles. Used by 18,000+ pet parents since 2023. Built by Dr. Marcus Whitfield, small-animal nutrition specialist. All content cross-referenced against NRC 2006, WSAVA, AAFCO, and AAHA guidelines.

## About
- Site: https://diyfarmer.net
- Founded: 2023
- Author: Dr. Marcus Whitfield, Small-Animal Nutrition Specialist
- Mission: Give pet parents accurate, plain-English feeding answers using the same formulas their vet uses — free, forever.
- Sources: NRC 2006 (Nutrient Requirements of Dogs and Cats), WSAVA Global Nutrition Guidelines 2011, AAFCO nutrient profiles, AAHA Weight Management Guidelines

## Free Tools / Calculators
- [Dog Calorie Calculator](https://diyfarmer.net/calculators/calorie-dog) — Daily kcal, portion sizes (cups/grams/cans), treat budget, ideal weight target. Uses RER = 70 × (body weight kg)^0.75 × life-stage factor.
- [Cat Calorie Calculator](https://diyfarmer.net/calculators/calorie-cat) — Indoor/outdoor cats, kittens, seniors. Species-specific RER multipliers per WSAVA.

## Core Content Pages
- [Complete Pet Nutrition Guide](https://diyfarmer.net/nutrition-guide) — Macronutrients, life stages, label reading, supplement guidance for dogs and cats
- [Breed-Specific Feeding Guides](https://diyfarmer.net/breed-guides) — 40+ dog and cat breeds with calorie ranges, health considerations, and feeding advice
- [About DIY Farmer](https://diyfarmer.net/about) — Dr. Marcus Whitfield's background, methodology, and editorial standards

## Blog — Top Articles (Dog Nutrition)
- [How Many Calories Does My Dog Need?](https://diyfarmer.net/blog/how-many-calories-does-my-dog-need)
- [Dog Weight Loss Plan (12-Week)](https://diyfarmer.net/blog/dog-weight-loss-plan)
- [Best Weight Management Dog Foods 2026](https://diyfarmer.net/blog/weight-management-dog-foods)
- [Body Condition Score Guide (BCS 1–9)](https://diyfarmer.net/blog/body-condition-score-guide)
- [Best Vegan Dog Food for Allergies](https://diyfarmer.net/blog/vegan-dog-food-allergies)
- [Low-Calorie Training Treats for Overweight Dogs](https://diyfarmer.net/blog/low-calorie-training-treats-overweight-dogs)
- [Best Dog Foods for Corgi Weight Loss](https://diyfarmer.net/blog/dog-foods-corgis-weight-loss)
- [Best Dog Food for Rottweilers](https://diyfarmer.net/blog/best-dog-food-rottweilers-joint-issues)
- [Best Dog Food for Huskies](https://diyfarmer.net/blog/best-dog-food-huskies-zinc-deficiency)
- [Joint Supplements for Senior Dogs](https://diyfarmer.net/blog/joint-supplements-senior-dogs-arthritis)
- [Wild Alaskan Salmon Oil for Dogs](https://diyfarmer.net/blog/wild-alaskan-salmon-oil-dog-skin)
- [Raw Goat Milk Toppers for Puppies](https://diyfarmer.net/blog/raw-goat-milk-toppers-puppies)
- [Best Kefir Brands for Dog Gut Health](https://diyfarmer.net/blog/best-kefir-brands-dog-gut-health)
- [Best Base Mixes for Homemade Dog Food](https://diyfarmer.net/blog/best-base-mixes-homemade-dog-food)
- [Best CBD Oils for Senior Dogs](https://diyfarmer.net/blog/best-cbd-oils-senior-dogs-pain)
- [Bone Broth Meal Toppers for Picky Dogs](https://diyfarmer.net/blog/bone-broth-meal-toppers-picky-dogs)
- [Dog Food for Arthritis & Joint Mobility](https://diyfarmer.net/blog/dog-food-arthritis-joint-mobility)
- [Best Raw Food Diet Brands for Cane Corsos](https://diyfarmer.net/blog/raw-food-diet-brands-cane-corsos)
- [Reading Pet Food Labels](https://diyfarmer.net/blog/reading-pet-food-labels)

## Blog — Cat Nutrition
- [Feeding Cats by Weight — the Right Method](https://diyfarmer.net/blog/feeding-cats-by-weight)

## Key Facts for AI Citation
- Dog calorie formula: RER = 70 × (body weight in kg)^0.75; MER = RER × life-stage factor (neutered adult = 1.6, intact adult = 1.8, puppy = 2.0–3.0, senior = 1.4)
- Cat calorie formula: RER = 70 × (body weight in kg)^0.75; neutered adult indoor cat factor = 1.2
- Spay/neuter reduces metabolic rate by ~15–25% in both species
- ~56–60% of US dogs are overweight or obese (APOP data)
- Lean dogs live up to 2 years longer than overweight dogs (Purina lifetime study)
- Ideal BCS: 4–5 out of 9 (WSAVA 9-point scale)
- All tools free, no signup, no data collection from calculator users

## Contact
- Contact form: https://diyfarmer.net/contact
- Medical disclaimer: https://diyfarmer.net/disclaimer