'Manure' in the Bible

So I am ready to bring disaster on the dynasty of Jeroboam. I will cut off every last male belonging to Jeroboam in Israel, including even the weak and incapacitated. I will burn up the dynasty of Jeroboam, just as one burns manure until it is completely consumed.

"I will burn up Jeroboam's dynasty, as a man burns up manure until it is gone. Dogs will eat anyone who dies in the city that belongs to Jeroboam's household. The birds of the sky will eat anyone who dies in the open field, because the LORD has determined it.'