Most bones break down when composting animal carcasses, but a few large bones will usually remain.
With proper composting, the bones will break down over time. This may take several months for larger livestock bones and as little as 60 days for smaller carcasses such as poultry. If large bones remain in the compost pile, they can be added to additional compost piles until completely degraded.
Check out the other video FAQs on carcass management
Author: Joshua Payne, Oklahoma State University
Reviewers: Shafiqur Rahman, North Dakota State University and Jean Bonhotal, Cornell University