Your horses — The riders being killed. The stink — So great slaughter hath been made in your camp that there were not sufficient to bury the slain.
Related Commentaries of Amos 4:10
Amos 4:10
10 I have sent among you the pestilence after the manner of Egypt: your young men have I slain with the sword, and have taken away your horses; and I have made the stink of your camps to come up unto your nostrils: yet have ye not returned unto me, saith the LORD.