"Rendered meats" refers to animal-based foods that have been cooked or processed to remove fat, improve flavor, and separate the meat from other components like bones or connective tissues. Full definition
These nourishing recipes are formulated without rendered meat meals. (springnaturals.com)
The scary truth is that the majority of commercial pet foods on the market today are using rendered meats that are not approved for human consumption. (foodmatters.com)
In fact, there is some evidence to suggest that euthanized animals in animal shelters and veterinarian clinics can be a source of rendered meat. (topdogtips.com)