Get the right balance of brown and green composting materials in your bin with our expert guide.
Composting pet food waste is an earth-friendly way to dispose of unused or spoiled dry kibble, canned food, treats and more while diverting it from landfills. The process turns these organic materials into a nutrient-rich soil amendment through natural decomposition.
Many types of pet foods can go into a compost pile or bin:
Avoid composting anything that could attract pests like coyotes. Pet food packaging should also be recycled rather than composted when possible.
Composting offers environmental advantages over trashing uneaten pet foods:
Reduces Landfill Contributions: Pet food makes up around 30% of the volume in landfills. Composting keeps these organic materials out of overflowing landfills.
Nutrient Recycling: The proteins, carbs and fats in dog and cat foods provide an excellent source of nitrogen and carbon for your compost pile.
Free Soil Amendment: Finished compost improves soil structure, moisture retention and nutrient levels - an eco-friendly alternative to chemical fertilizers.
Follow these tips to safely compost pet food waste:
Balance With Carbon-Rich Materials: Mix foods with 3 times the volume of high-carbon yard waste like leaves or wood chips to prevent odors and pests.
Bury in Pile Core: Bury pet foods under 10+ inches of compost feedstocks to contain smells.
Grind or Crumble: Break kibble and bones into small pieces before adding them to your pile or bin.
Turn Frequently: Regular turning or tumbling oxygenates the decomposing waste to control odors and speed the process.
With the right techniques, composting provides a sustainable way to keep uneaten pet foods from going to waste. The resulting finished compost nourishes gardens, houseplants and lawns while reducing environmental impacts.
Can I put dog poop in my compost pile?
Dog and cat feces should not go straight into backyard compost piles. Special deep-core hot composting techniques are required to kill pathogens and break down waste safely.
What is high nitrogen pet food?
Protein-rich meat-based canned cat foods, beef and lamb dog kibbles provide plentiful nitrogen. Veggie or grain-heavy recipes are lower in nitrogen.
Do I need a special compost bin for pet foods?
Any standard compost bin, tumbling drum or well-maintained pile will work. The key is to properly balance carbon and nitrogen inputs and retain heat.
Can pet waste attract pests?
Meat-based foods can draw flies, raccoons or coyotes if not deeply buried. Use caution composting outdoors. Indoor vermicomposting avoids unwanted scavengers.