Human dung is considered unclean

Deuteronomy 23:12-14
Ezekiel 4:12-14
Nehemiah 2:13; 3:13-14; 12:31

The Dung Gate of Jerusalem

Luke 13:8; 14:35

Uses of manure

As fertiliser

Ezekiel 4:15

As fuel

1 Kings 14:10

Symbolic references to dung

As fuel

Job 20:7

As something perishable

Isaiah 25:10

As something trampled down

Philippians 3:8

See also

As something worthless

4406 agriculture
5268 cooking
5979 waste
6151 dirt
7340 clean and unclean