best way to collect it is to look inside ur forgotten mosa/giga's inv

Collect raw meat, when stack is about to spoil split it into individual pieces they all spoil together also usually a decent amount in your feed trough after a few hours

That 5 month old takeout box in the back of my fridge be like:

This is infinitely more useful then actual meat

If tamed bugs eat this they will gain 10 health.

put meat in your toilet and take a dump.. there you go, spoiled meat.

I fed this to my dodo and he died

The desmodus draculae can gather spoil meat by draining the blood from the meat to make it spoil I guess.

If your on ragnarok you can sometimes find beaches basilosaurs by the wyvern den at the beach and they give a lot of spoiled meat.