Meat does not belong in a home compost bin

You can technically compost meat, but almost every composting guide recommends against it for home systems. The reason is not that meat cannot break down — it will, given enough time and heat. The reason is that meat attracts rats, raccoons, and other animals that will tear open your bin to reach it. It also produces strong odors that upset neighbours and can create a breeding ground for flies and harmful bacteria if the pile does not reach and hold a high enough temperature.

If you have a commercial composting facility nearby that accepts meat, bones, and fish, that is a different story. Those operations run at temperatures between 130 and 170 degrees Fahrenheit — hot enough to kill pathogens and break down animal products safely. A home bin, even a well-maintained one, rarely reaches those temperatures consistently.

The core problem is that home composting is a slow, cool process. Meat needs heat and time that most backyard systems cannot provide reliably.

Key Takeaways

  • Meat, bones, and fish will attract rats and raccoons to your compost bin and create strong odors that spread to neighbouring properties.
  • Home compost piles do not reach the 130+ degree temperatures needed to safely break down meat and kill harmful bacteria.
  • Commercial composting facilities can process meat, bones, and fish because they maintain high heat throughout the pile.
  • If you have access to a commercial program, check whether they accept meat before you add it to your collection bin.

Why meat attracts pests and creates odor problems

Meat is protein-rich and high in nitrogen, which makes it valuable to decomposers — and to every scavenger in your neighbourhood. Rats can smell meat from a distance and will gnaw through plastic bins to reach it. Raccoons are even more determined and will overturn bins entirely. Once they find food in your compost, they return repeatedly, and they often leave a trail of scattered compost across your yard.

The smell itself is a separate issue. As meat breaks down in a cool environment, it produces hydrogen sulfide and other gases that smell like rotten eggs or sewage. These odors travel and linger, which creates conflict with neighbours and makes your own yard unpleasant to use. The smell also signals to flies and other insects that food is available, leading to infestations that spread beyond the bin.

Even if you bury meat deep in the centre of the pile, it will still decompose slowly and produce odor. Burying it does not solve the problem — it only delays when you notice it.

What temperature your compost pile actually reaches

A home compost bin or pile reaches its highest temperature in the first few weeks after you add fresh materials, usually between 90 and 110 degrees Fahrenheit if you maintain it well. Some well-managed piles can hit 120 degrees briefly. Reaching 130 degrees consistently — the minimum needed to kill most pathogens in meat — is rare in a home system, and sustaining that heat for weeks is nearly impossible.

Commercial facilities use large windrows or enclosed vessels, turn the material frequently with heavy equipment, and monitor temperature constantly. They can hold 140 to 160 degrees for extended periods. A home bin, even one you turn regularly, loses heat to the air and does not generate enough microbial activity to maintain that temperature.

Without that heat, meat breaks down very slowly — sometimes taking a year or more — and the slow breakdown creates the conditions for harmful bacteria like E. coli and Salmonella to survive and multiply. This is why meat in home compost is a food safety concern, not just a nuisance.

What to do with meat scraps instead

The simplest option is to throw meat, bones, and fish into your regular trash. They will end up in a landfill, which is not ideal for the environment, but it is safer and more practical than home composting.

If you have a commercial composting program in your area, check their website or call to confirm they accept meat and fish. Many municipal programs do. You will usually collect meat scraps in a separate container — often a small bin or bag — and drop them off at a designated location or have them picked up with your yard waste. Some programs charge a small fee; others include it in your regular waste service.

A third option is to bury meat scraps deep in your garden soil, away from the surface and away from areas where pets or children play. Bury it at least 12 inches down and at least 2 feet away from plant roots. The meat will decompose in place over time, and the depth keeps it away from scavengers. This works only if you own your land and do not have a pest problem already.

Bones and fish: the same rules explore

Bones and fish scraps follow the same logic as meat. Bones break down extremely slowly in a home compost pile — sometimes taking several years — and fish attracts the same pests and produces the same odors. Fish is actually worse than meat in a home bin because the smell is stronger and spreads faster.

If your commercial composting program accepts meat, it almost certainly accepts bones and fish too. If you are burying scraps in your garden, bones and fish can go in the same hole as meat, as long as you bury them deep enough.

Crushed eggshells and small food scraps are fine in a home bin. Meat, bones, and fish are not.

When a bokashi bucket or worm bin might seem like an option

You may have heard that a bokashi bucket or worm bin can handle meat. Bokashi buckets use a special bran inoculated with microbes to ferment food waste — including meat — in an anaerobic (airless) environment. Worm bins, or vermicompost systems, use red wiggler worms to break down organic matter.

Bokashi buckets can ferment meat, but the fermented material still needs to be buried in soil or added to a hot compost pile to finish breaking down. You cannot use bokashi output directly in your garden, and you still face the problem of storing fermenting meat indoors, which produces odor. Worm bins should not contain meat at all — the meat will rot before the worms can process it, creating anaerobic conditions that kill the worms.

Neither system solves the core problem: meat needs heat to break down safely, and neither bokashi nor worms provide that heat.

Frequently Asked Questions

Will meat compost if I wait long enough?

Yes, meat will eventually decompose in any environment, including a home compost pile. The problem is that it takes a very long time — often a year or more — and during that time it attracts pests and produces odor. Even after it breaks down, the compost may not be safe to use on vegetables because harmful bacteria may survive in a cool pile.

Can I compost meat if I have a sealed or enclosed bin?

A sealed bin slows odor spread and makes it harder for large animals to access the contents, but it does not solve the core problems. The meat still breaks down slowly, still produces odor inside the bin, and still creates conditions for harmful bacteria. Sealing the bin just contains the smell rather than preventing it.

What if I add meat to a very large pile with lots of other materials?

Adding meat to a large pile dilutes the smell and may reduce pest attraction slightly, but it does not change the fundamental issue: a home pile does not reach the temperature needed to safely process meat. The meat will still decompose slowly and may still harbour pathogens in the finished compost.

Is cooked meat safer to compost than raw meat?

Cooked meat still attracts pests and produces odor, and cooking does not change how slowly it breaks down in a cool pile. It is not safer to compost than raw meat. Both should stay out of home bins.

Can I compost meat if I live in a cold climate?

Cold temperatures make the problem worse, not better. Meat breaks down even more slowly in cold weather, and the pile is less likely to reach the temperatures needed to kill pathogens. In cold climates, meat in a home compost bin is an even stronger reason to use your trash or a commercial program instead.