Deuteronomy 25:4
"Thou shalt not muzzle the ox when he treadeth out the corn."
Cross References (ranked by relevance)
Proverbs 12:10
A righteous man regardeth the life of his beast: but the tender mercies of the wicked are cruel.
Hosea 10:11
And Ephraim is as an heifer that is taught, and loveth to tread out the corn; but I passed over upon her fair neck: I will make Ephraim to ride; Judah shall plow, and Jacob shall break his clods.
Isaiah 28:27
For the fitches are not threshed with a threshing instrument, neither is a cart wheel turned about upon the cummin; but the fitches are beaten out with a staff, and the cummin with a rod.